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DTC Tables

Fuel, air mixture, and additional emissions regulations 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P000A Intake (A) Camshaft Position Slow Response Bank 1 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
  • signal change < |5| [°CA]
  • number of checks 10 times
  • camshaft valve commanded on
 1 Sec
  • Continuous
  • 2 DCY
P000B Intake (A) Camshaft Position Slow Response Bank 1 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
  • signal change < |5| [°CA]
  • number of checks 10 times
  • engine speed > 700 RPM
  • setpoint change behaviour check < 3 [°CA] for 1.2 Sec
  • setpoint change > 7 [°CA]
 2 Sec
  • Continuous
  • 2 DCY
P000C Intake (A) Camshaft Position Slow Response Bank 2 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
  • signal change < |5| [°CA]
  • number of checks 10 times
  • camshaft valve commanded on
 1 Sec
  • Continuous
  • 2 DCY
P000D Intake (A) Camshaft Position Slow Response Bank 2 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
  • signal change < |5| [°CA]
  • number of checks 10 times
  • engine speed > 700 RPM
  • setpoint change behaviour check < 3 [°CA] for 1.2 Sec
  • setpoint change > 7 [°CA]
 1 Sec
  • Continuous
  • 2 DCY
P0010 Intake (A) Camshaft Position Actuator Circuit / Open (Bank 1) -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . Signal current < 0.8 mA
  • camshaft valve commanded on
 2 Sec
  • Continuous
  • 2 DCY
P0011 Intake (A) Camshaft Position Timing - Over-Advanced (Bank 1) -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . functional check
  • adjustment angle difference > 10|[°CA]
  • number of checks 3 times
  • engine speed > 700 RPM
  • modeled oil temp. 15...130° C
  • delta set point < 3[° CA]
  • than wait 3...6 Sec
 3 Sec
  • Continuous
  • 2 DCY
P0013 Camshaft Position Actuator Circuit / Open (Bank 1) -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . signal current < 0.8 mA
  • camshaft valve commanded on
 2 Sec
  • Continuous
  • 2 DCY
P0014 Intake (A) Camshaft Position Actuator Circuit / Open (Bank 1) Functional check -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
  • adjustment angle difference > 10|[°CA]
  • number of checks 3 times
  • engine speed > 700 RPM
  • modeled oil temp. 15...130° C
  • delta set point < 3[° CA]
  • than wait 3...6 Sec
 3 Sec
  • Continuous
  • 2 DCY
P0016 Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A Intake -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING . camshaft/crankshaft
  • adaptive value > > 139°[CA]
  • engine speed > 700 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0017 Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A Exhaust -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING . camshaft/crankshaft
  • adaptive value > > 139°[CA]
  • engine speed > 700 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0018 Crankshaft Position - Camshaft Position Correlation Bank 2 Sensor A Intake -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING . misalignment
  • adaptive value > < 75[°CA]
  • engine speed > 700 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0019 Crankshaft Position - Camshaft Position Correlation Bank 2 Sensor A Exhaust -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING . misalignment
  • adaptive value > < 75[°CA]
  • engine speed > 700 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0020 Intake (A) Camshaft Position Actuator Circuit / Open (Bank 2) -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . Signal current < 0.8 mA
  • camshaft valve commanded on
 2 Sec
  • Continuous
  • 2 DCY
P0021 Intake (A) Camshaft Position Timing - Over-Advanced (Bank 2) -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . functional check
  • adjustment angle difference > 10|[°CA]
  • number of checks 3 times
  • engine speed > 700 RPM
  • modeled oil temp. 15...130° C
  • delta set point < 3[° CA]
  • than wait 3...6 Sec
 3 Sec
  • Continuous
  • 2 DCY
P0023 Camshaft Position Actuator Circuit / Open (Bank 2) -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . signal current < 0.8 mA
  • camshaft valve commanded on
 2 Sec
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
P0024 Intake (A) Camshaft Position Actuator Circuit / Open (Bank 2) Functional check -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
  • adjustment angle difference > 10|[°CA]
  • number of checks 3 times
  • engine speed > 700 RPM
  • modeled oil temp. 15...130° C
  • delta set point < 3[° CA]
  • than wait 3...6 Sec
 3 Sec
  • Continuous
  • 2 DCY
P025A Fuel PumpOpen circuit -- Check the fuel pump. Refer to FUEL PUMP ELECTRICAL, TESTING . Signal current < 0.8 mA
  • fuel pump commanded off
 2 Sec
  • Continuous
  • 2 DCY
P025C Fuel Pump Short to ground -- Check the fuel pump. Refer to FUEL PUMP ELECTRICAL, TESTING . Signal voltage < 2.0 V
  • fuel pump commanded off
 4.5 Sec
  • Continuous
  • 2 DCY
P025D Fuel Pump Short to B+ -- Check the fuel pump. Refer to FUEL PUMP ELECTRICAL, TESTING . Signal current > 10 A
  • fuel pump commanded on
 2 Sec
  • Continuous
  • 2 DCY
P0030 HO2S Heater Control Circuit (Bank 1, Sensor 1) Open circuit -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING . Heater current < 8...40 mA
  • duty cycle 0.4...99.6%
  • heater commanded on
 5.2 Sec
  • Continuous
  • 2 DCY
P0031 HO2S Heater Control Circuit Low (Bank 1, Sensor 1) Short to ground -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING . Heater voltage < 1.9...2.22 V
  • duty cycle < 99.6%
  • heater commanded off
 5.2 Sec
  • Continuous
  • 2 DCY
P0032 HO2S Heater Control Circuit High (Bank 1, Sensor 1) Short to B+ -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING . Heater current > 8...11 A
  • duty cycle > 0.4%
  • heater commanded on
 5.2 Sec
  • Continuous
  • 2 DCY
P0036 HO2S Heater Control Circuit (Bank 1, Sensor 2) open circuit -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING . Heater current < 8...40 mA
  • heater commanded on
  • duty cycle 0.4...99.6%
 5.2 Sec
  • Continuous
  • 2 DCY
P0037 HO2S Heater Control Circuit Low (Bank 1, Sensor 2) short to ground -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING .
  • Heater voltage < 1.9...2.22 V
  • heater commanded off
  • duty cycle < 99.6%
 5.2 Sec
  • Continuous
  • 2 DCY
P0038 HO2S Heater Control Circuit High (Bank 1, Sensor 2) Short to B+ -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING .
  • heater current Bank 1 > 8...11 A
  • duty cycle > 0.4 %
  • heater commanded on
 5.2 Sec
  • Continuous
  • 2 DCY
P0042 HO2S Heater Circuit (Bank 1, Sensor 3) open circuit SULEV -- Check the Oxygen Sensor (O2S) Heater - Center Three Way Catalytic Converter (TWC) -Z64-. heater voltage 4.50...5.50 V
  • engine speed, >80 RPM
  • heater commanded off
 0.50 Sec
  • Continuous
  • 2 DCY
P0043 HO2S Heater Control Circuit Low (Bank 1, Sensor 2) short to ground -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING .
  • SULEV Heater voltage < 3 V
  • ULEV Heater voltage < 3 V
  • SULEV Time after engine start, >5 Sec
  • heater commanded off
  • ULEV engine speed >80 RPM
  • heater, commanded off
 0.50 Sec
  • Continuous
  • 2 DCY
P0044 HO2S Heater Control Circuit High (Bank 1, Sensor 2) Short to B+ -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING . Heater current, > 2.70...5.50 A
  • engine speed, >80 RPM
  • heater commanded on
 0.50 Sec
  • Continuous
  • 2 DCY
P0050 HO2S Heater Control Circuit (Bank 1, Sensor 1) Open circuit -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING . Heater current < 8...40 mA --- 5.2 Sec
  • Continuous
  • 2 DCY
P050A Idle Air Control System RPM Lower Or Higher Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Out of range-low
  • engine speed deviation <80 RPM
Out of range-high
  • engine speed deviation >80 RPM
  • time after engine start >0.0 Sec
  • driver torque demand none
  • vehicle speed 0 km/h
  • altitude <2700 m
  • IAT >-48 °C
  • evap purge valve closed
  • catalyst heating active
  • FOR MANUAL TRANSMISSIONS:
  • engine load <40...75%
  • catalyst heating active
  • time after engine start >0.0 Sec
  • driver torque demand none
  • vehicle speed 0 km/h
  • altitude <2700 m
  • IAT >-48 °C
  • catalyst heating active
 4 Sec
  • multiple
  • 2 DCY
P0051 HO2S Heater Control Circuit Low (Bank 1, Sensor 1) Short to ground -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING . Heater voltage < 1.9...2.22 V
  • duty cycle < 99.6%
  • heater commanded off
 5.2 Sec
  • Continuous
  • 2 DCY
P0052 HO2S Heater Control Circuit High (Bank 1, Sensor 1) Short to B+ -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING . Heater current > 8...11 A
  • duty cycle > 0.4 %
  • heater commanded on
 5.2 Sec
  • Continuous
  • 2 DCY
P0056 HO2S Heater Control Circuit (Bank 1, Sensor 2) open circuit -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING . Heater current < 8...40 mA
  • duty cycle 0.4...99.6%
  • heater commanded on
 5.2 Sec
  • Continuous
  • 2 DCY
P0057 HO2S Heater Control Circuit Low (Bank 1, Sensor 2) short to ground -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING .
  • Heater voltage < 1.9...2.22 V
  • heater commanded off
  • duty cycle < 99.6%
 5.2 Sec
  • Continuous
  • 2 DCY
P0058 HO2S Heater Control Circuit High (Bank 1, Sensor 2) Short to B+ -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING .
  • heater current Bank 2 > 8...11 A
  • duty cycle > 0.4 %
  • heater commanded on
 5.2 Sec
  • Continuous
  • 2 DCY
P0068 MAP/ Throttle Position Correlation -- Check the Manifold Absolute Pressure (MAP) Sensor -G71-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR AND INTAKE AIR TEMPERATURE SENSOR, CHECKING . deviation throttle controller
  • < -43 or > 43%
  • < -33 or > 33%
deviation pressure controller
  • < -39...21% or > 21...39%
  • < -40...-28% or > 28...40%
  • pressure quotient < 0.70
  • lengine speed 600...3000 RPM
  • time after engine start > 70 Sec
  • fuel cut off not active
  • throttle position > 4.5%
  • fuel trim activity -23...23%
  • no valve lift shift 5 Sec
  • pressure quotient < 0.8
  • lengine speed 600...3000 RPM
  • time after engine start > 70 Sec
  • fuel cut off not active
  • throttle position > 4.5%
  • fuel trim activity -23...23%
  • no valve lift shift 5 Sec
 3 Sec
  • Continuous
  • 2 DCY
P0070 ambient air temp sensor short to B+ -- Check the Outside Air Temperature Sensor -G17-. ambient air temp <45.0 °C CAN active 2 Sec
  • multiple
  • 2 DCY
P0071 rationality check -- Check the Outside Air Temperature Sensor -G17-.
  • difference value AAT-ECT @ engine start (depending on engine-off time) > |25...40K
AND
  • difference value AAT-IAT engine start (depending on engine-off time) > 25....40K
  • engine off time >6 h
  • ECT @engine start minus IAT @ engine start<=40...25 °C
  • ECT @ engine start <.75 °C minus ECT @ time after 60 Sec
  • AAT @ engine start <=5.2 °C
  • minus
  • AAT @ condition vehicle speed >25 MPH
  • for time >10 Sec
  • intake air temp <=5.2 °C @ engine start
  • minus
  • intake air temp @ condition vehicle speed >25 MPH
  • for time >10 Sec
 0 Sec
  • Once/DCY
  • 2 DCY
P0072 ambient air temp sensor short to ground -- Check the Outside Air Temperature Sensor -G17-. ambient air temp >87.0 °C CAN active 2 Sec
  • multiple
  • 2 DCY
P0087 Fuel Rail/System Pressure - Too Low -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING 
  • deviation fuel rail pressure > 0.120 g/Rev
  • AND
  • deviation lambda controller -15...15%
  • actual pressure below target pressure
  • target pressure-actual pressure > 2 MPa
  • AND
  • deviation lambda control -15...15%
  • fuel cut off not active
  • engine speed 640...3480 RPM
  • time after engine start > 8 Sec
  • high pressure pump setpoint 0.015....0.12 g/Rev
  • lambda control closed loop
  • fuel cut off not active
  • engine speed 640...3480 RPM
  • time after engine start > 8 Sec
  • high pressure pump setpoint 0.015....0.12 g/Rev
  • lambda control closed loop
  • EVAP canister load < 25%
  • control valve commanded closed
  • fuel cut off not active
  • engine speed 640...3480 RPM
  • time after engine start > 8 Sec
  • high pressure pump setpoint 0.030....0.12 g/Rev
  • lambda control closed loop
  • EVAP canister load < 25%
  • 5 Sec
  • 20 Sec
  • 20 Sec
 ---
P0088 Fuel Rail/System Pressure - Too High -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  Fuel rail pressure > 13.9 MPa --- 3 Sec
  • 2 DCY
P0089 Fuel Pressure Regulator 1 Performance -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  Actual pressure Deviation
  • deviation fuel pressure control < 28%
  • > 35%
  • target pressure - actual pressure > 0.17 MPa
  • target pressure - actual pressure > 0.17 MPa
  • ECT, 70...95° C
  • Time after engine start > 30 Sec
  • engine speed 500...3000 RPM
  • delta fuel pressure low 25 kPa
  • fuel cut off not active
  • ECT, 70...95° C
  • Time after engine start > 80 Sec
  • engine speed 500...4500 RPM
  • ECT, 70...95° C
  • Time after engine start > 80 Sec
  • engine speed 500...4500 RPM
  • high pressure pump setpoint > 0.01 g
  • 5 Sec
  • 60 Sec
  • 60 Sec
  • Continuous
  • 2 DCY
P0106 Manifold Absolute Pressure/BARO Sensor Range/Performance Rationality check -- Check the Charge Air Pressure Sensor -G31-. Refer to.-- If the Charge Air Pressure Sensor -G31- has no faults, check the altitude sensor co-located within the ECM.-- Check TSB's for related information. Boost pressure signal
  • altitude pressure sensor vs IM pressure > 7 k/Pa
  • Engine speed, 0 RPM
  • time after engine start 0 Sec
 3 Sec
  • Continuous
  • 2 DCY
P0107 Manifold Absolute Pressure/BARO Sensor Range/Performance Short to ground-open circuit -- Check the Charge Air Pressure Sensor -G31-. Refer to.-- If the Charge Air Pressure Sensor -G31- has no faults, check the altitude sensor co-located within the ECM.-- Check TSB's for related information. signal voltage < 0.2 V --- 2 Sec
  • Continuous
  • 2 DCY
P0108 Manifold Absolute Pressure/BARO Sensor Range/Performance Short to B+ -- Check the Charge Air Pressure Sensor -G31-. Refer to.-- If the Charge Air Pressure Sensor -G31- has no faults, check the altitude sensor co-located within the ECM.-- Check TSB's for related information. signal voltage > 4.8 V --- 2 Sec
  • Continuous
  • 2 DCY
P0111 Intake Air Temperature Sensor 1 Rationality check -- Check the Intake Air Temperature (IAT) Sensor -G42- Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR AND INTAKE AIR TEMPERATURE SENSOR, CHECKING 
  • difference value: IAT-ECT @ engine start (depending on engine-off time, >25...40 K
  • AND
  • difference value: IAT-AAT @ engine start (depending on engine-off time), >25...40 K
  • engine-off time, >6 h
  • ECT @ engine start minusAAT @ engine start, <=25...40 °C
  • ECT @ engine start, <1.5 °C minus ECT @ time after engine start, 60 Sec
  • AAT @ engine start, <=5.2 °C minus AAT @ condition
  • vehicle speed, >25 MPH
  • for time >30 Sec
 0 Sec
  • once/DCY
  • 2 DCY
P0112 Intake Air Temperature Sensor 1 Circuit Low Input Short to ground -- Check the Intake Air Temperature (IAT) Sensor -G42- Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR AND INTAKE AIR TEMPERATURE SENSOR, CHECKING  IAT, > 3.2 V --- 2 Sec
  • Continuous
  • 2 DCY
P0113 Intake Air Temperature Sensor 1 Circuit High Input Open circuit or short to B+ -- Check the Intake Air Temperature (IAT) Sensor -G42- Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR AND INTAKE AIR TEMPERATURE SENSOR, CHECKING  IAT, < 0.1 V --- 2 Sec
  • Continuous
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance. -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to Engine Mechanical, Fuel Injection and Ignition. Stuck high:
  • no change of signal, <1.5K
  • ECT @ start, 109.6...140.30 °C
  • subsitute ECT, >-48.00 °C
  • Driving condition L:
  • vehicle speed, 0.0...10.00km/h
  • mass air flow, 4.0...180.0 kg/h
  • time required/frequency, 3 times
  • Driving condition H:
  • vehicle speed, 40.0...120 ikm/h
  • mass air flow, 12...36...152 kg/h
  • time required, >40 Sec
  • frequency, once
 115 Sec
  • once/DCY
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance. -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to Engine Mechanical, Fuel Injection and Ignition. Stuck low:
  • no change of signal, <1.5K
  • ECT @ start, 50.30...88.4 °C
  • subsitute ECT, >-48.00 °C
  • Driving condition L:
  • vehicle speed, 0.0...10.00km/h
  • mass air flow, 4.0...180.0 kg/h
  • time required >25 Sec
  • frequency, 3 times
  • Driving condition H:
  • vehicle speed, 40.0...120 ikm/h
  • mass air flow, 12...36...152 kg/h
  • time required, >40 Sec
  • frequency, once
 115 Sec
  • Once/DCY
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance. -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to Engine Mechanical, Fuel Injection and Ignition. Stuck in range
  • 88.5...109.5 °C
  • AND
  • no change on signal, 1.5 K
  • engine-off time, >9900...15600 Sec
  • ECT @ start, 88.5...109.5 °C
  • subsitute ECT, >-48.00 °C
  • Driving condition L:
  • vehicle speed, 0.0...10.00km/h
  • mass air flow, 4.0...180.0 kg/h
  • time required >25 Sec
  • frequency, 3 times
  • Driving condition H:
  • vehicle speed, 40.0...120 ikm/h
  • mass air flow, 12...36...152 kg/h
  • time required, >40 Sec
  • frequency, once
 115 Sec
  • Once/DCY
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance. Stuck -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to Engine Mechanical, Fuel Injection and Ignition.
  • delta ECT < 2.5 K
 Driving condition 1
  • ECT @ engine start 75...141° C
  • vehicle speed, >12.5 MPH
  • engine speed > 2500 RPM
  • mass air flow > 60 kg/h
and Driving condition 2
  • fuel cut-off active
  • vehicle speed, > 65 MPH
  • engine speed idle
  • AND IF no pass cond. 1 & 2
  • ignition off > 400 Sec
  • ECT @ start 80...110° C
  • ECT @ start 40...75° C
  • delta modeled ECT 19 K
  • 155 Sec
  • 400 Sec
  • 30 Sec
  • Once/DCY
  • 2 DCY
P0117 Engine Coolant Temperature Sensor 1 Circuit Low Input Short to ground -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to Engine Mechanical, Fuel Injection and Ignition. ECT, >141° C --- ---
  • continuous
  • 2 DCY
P0118 Engine Coolant Temperature Sensor 1 Circuit Short to B+ -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to COOLANT THERMOSTAT, CHECKING . ECT, < 45.75° C --- 2 Sec
  • continuous
  • 2 DCY
P0121 Throttle/Pedal Position Sensor A Circuit Range/Performance -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • TPS 1-TPS 2, > 5.79°
  • AND
  • relative mass air integral > 100 @ 0.45 Sec
  • Engine start completed
  • TPS no fault
 0.2 Sec
  • continuous
  • 2 DCY
P0122 Throttle/Pedal Position Sensor A Circuit Low Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage, <0.117 V --- 0.2 Sec
  • continuous
  • 2 DCY
P0123 Throttle/Pedal Position Sensor A Circuit High Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage, > 4.6 V --- 0.2 Sec
  • continuous
  • 2 DCY
P0130 O2 Sensor Circuit (Bank 1, Sensor 1) -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • O2S ceramic temp. <640.0 °C
  • Modeled exhaust temp>300 °C
  • fuel cut-off not activeactive
 12 Sec
  • multiple
  • 2 DCY
P0131 O2 Sensor Circuit, Bank 1 - Sensor 1 Low Voltage -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • signal voltage < 0.13 V
 --- 3 Sec
  • continuous
  • 2 DCY
P0132 O2 Sensor Circuit, Bank 1 - Sensor 1 High Voltage -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • signal voltage > 5.5 V
 --- 3 Sec
  • continuous
  • 2 DCY
P0133 O2 Circuit Slow Response (Bank 1, Sensor 1) -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • lambda value vs modeled lambda value > 0.7998
  • Modeled exhaust gas temp, 500...950° C
  • ECT > 60° C
  • Engine speed, 700...3000 RPM
  • engine speed deviation 518 RPM
  • mass air flow 0.426...1.2 g/Rev
  • delta mass air flow < 0.2664 g/Rev
  • EVAP canister load < 40%
 65 Sec
  • once
  • 2 DCY
P0135 O2 Heater Circuit (Bank 1, Sensor 1) -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING .
  • O2S not ready after dewpoint exceeded > 30 Sec
  • UEGO ceramic temperature < 680 or > 860° C
  • O2S front dewpoint exceeded
  • Heater control, Active
  • O2S front no other faults
  • O2S front dewpoint exceeded
  • Heater control, Active
  • lambda control active
  • O2S front no other faults
  • 15 Sec
  • 40 Sec
  • once
  • 2 DCY
  • continuous
  • 2 DCY
P0136 O2 Circuit (Bank 1, Sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • O2S signal rear not oscillating at reference 0.708 V
  • O2S rear ready
  • trim control post cat closed loop > 250 Sec
 90 Sec
  • once
  • 2 DCY
P0137 O2 Circuit Low Voltage (Bank 1, Sensor 2) short to ground -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • signal voltage < 20 mV AND
  • internal resistance < 10Ω
  • O2S dewpoint exceeded
  • O2S rear fully heated up
  • mass air flow > 12 kg/h
  • 5 Sec
  • continuous
  • 2 DCY
P0138 O2 Circuit High Voltage (Bank 1, Sensor 2) short to B+ -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING . Signal voltage >1.2 V --- 5 Sec
  • continuous
  • 2 DCY
P0139 O2 Circuit Slow Response (Bank 1, Sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • average tome of four checks > 1
  • for signal voltage change 0.5...0.28 V
  • mass air flow 18...120 kg/h
  • @ fuel cutoff enabled
  • O2S rear modeled exhaust gas temp > 450° C
  • ECT > 60° C
 4 Sec
  • once
  • 2 DCY
P0140 O2 Circuit No Activity Detected (Bank 1, Sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • Signal voltage, 0.376...0.474 V
  • O2S rear internal resistance > 7 KΩ
  • Modeled exhaust temp > 555°C
 5 Sec
  • continuous
  • 2 DCY
P0141 O2 Heater Circuit (Bank 1, Sensor 2) out of range -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING . Heater internal resistance, > 4.6KΩ
  • Modeled exhaust gas temp, 300-400 °C
  • heater duty cycle 0.8...99.2%
 60 Sec
  • once
  • 2 DCY
P0142 O2 circuit Bank 1 Sensor 3 heater check -- Check the Oxygen Sensor 02S) 3 (behind Three Way Catalytic Converter (TWC)) Heater -Z64-.
  • delta voltage one step at heater switching, >2.0 V
  • number of checks, 10
  • Modeled exhaust gas temp. 200-800 °C
  • dewpoint exceeded and lower exhaust gas temp.limit exceeded for 60 Sec
 10 Sec
  • 2 DCY
P0143 O2 circuit Bank 1 Sensor 3 Short to ground -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-.
  • Cold condition, Signal voltage, < 59.6 mV
  • Warm condition, signal voltage <59.6 mV
  • short to B+, voltage >1.26 V
  • ECT at engine off, >60 °C
  • ECT <39.8 °C
  • Modeled exhaust gas temp. 200-800 °C
  • dewpoint, exceeded and lower exhaust gas temp limit exceded for, 60 Sec
  • 1st lambda control loop, not at max. value
  • modeled exhaust gas temp. dew point exceeded and lower exhaust gas temp. limit exceded for 60 Sec
  • 5.1 Sec
  • 40 Sec
  • once/DCY
  • 2 DCY
  • multiple
  • 2 DCY
P0144 O2 circuit Bank 1 Sensor 3 Short to Batt. + -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. signal voltage >1.26 V
  • Modeled exhaust gas temp. 200-800 °C
  • dewpoint exceeded and lower exhaust gas temp.limit exceeded for 60 Sec
 5.1 Sec
  • multiple
  • 2 DCY
P0145 O2 Circuit Slow Response (Bank 1, Sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • EWMA filtered transient time at fuel cut-off, >0.4 Sec
  • in voltage range, 401.4...201.2 mV
  • number of checks (initial phase), >3
  • number of checks (step function), >3
  • rich voltage, >=547.9 mV
  • lean voltage <=152.3 mV
  • OR
  • Max O2 mass flow (disable), >=6000 mg
  • O2S rear, ready
  • fuel cut-off, active
  • front O2 sensor, lambda signal, >2.00
  • modeled exhaust gas temp. >400 °C
  • exhaust gas mass flow, >25.0 kg/h
  • rear O2 sensor internal resistance, <=131 KΩ
  • or resistance measurement, ready
  • front O2 sensor, sensor cross change, no fault
  • rear O2 sensor heater, wires and oscillating check, no fault
  • purge valve, no fault
  • trigger for step change, delta transient time, READ ERROR
 4.5 Sec
  • 2 DCY
P0146 O2 circuit Bank 1 Sensor 3 Open circuit -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-.
  • signal voltage, 401.4...499 mV
  • internal resistance, 40 KΩ
  • Modeled exhaust gas temp. 200-800 °C
  • dewpoint exceeded and lower exhaust gas temp.limit exceeded for 60 Sec
  • Modeled exhaust temp. >600 °C
  • dewpoint exceeded and lower exhaust gas temp.limit exceeded for 60 Sec
  • O2S rear, ready
 200 Sec
  • multiple
  • 2 DCY
P0147 O2 circuit Bank 1 Sensor 3 heater check SULEV -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287 -. heater resistance 1056...11656 Ω
  • Modeled exhaust gas temp, 250-650.1 °C
  • Engine shutoff time, >300 Sec.
  • fuel cut-off not active
  • heater commanded on
 15 Sec
  • multiple
  • 2 DCY
P0150 O2 Circuit No Activity Detected (Bank 1, Sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • Signal voltage, 0.376...0.474 V
  • O2S rear internal resistance > 7 KΩ
  • Modeled exhaust temp > 555°C
 5 Sec
  • continuous
  • 2 DCY
P0151 O2 Sensor Circuit, Bank 1 - Sensor 1 Low Voltage -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • signal voltage < 0.13 V
 --- 3 Sec
  • continuous
  • 2 DCY
P0152 O2 Sensor Circuit, Bank 1 - Sensor 1 High Voltage -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • signal voltage > 5.5 V
 --- 3 Sec
  • continuous
  • 2 DCY
P0153 O2 Circuit Slow Response (Bank 1, Sensor 1) -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • lambda value vs modeled lambda value > 0.7998
  • Modeled exhaust gas temp, 500...950° C
  • ECT > 60° C
  • Engine speed, 700...3000 RPM
  • engine speed deviation 518 RPM
  • mass air flow 0.426...1.2 g/Rev
  • delta mass air flow < 0.2664 g/Rev
  • EVAP canister load < 40%
 65 Sec
  • once
  • 2 DCY
P0155 O2 Heater Circuit (Bank 1, Sensor 1) -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING .
  • O2S not ready after dewpoint exceeded > 30 Sec
  • UEGO ceramic temperature < 680 or > 860° C
  • O2S front dewpoint exceeded
  • Heater control, Active
  • O2S front no other faults
  • O2S front dewpoint exceeded
  • Heater control, Active
  • lambda control active
  • O2S front no other faults
  • 15 Sec
  • 40 Sec
  • once
  • 2 DCY
  • continuous
  • 2 DCY
P0156 O2 Circuit (Bank 1, Sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • O2S signal rear not oscillating at reference 0.708 V
  • O2S rear ready
  • trim control post cat closed loop > 250 Sec
 90 Sec
  • once
  • 2 DCY
P0159 O2 Circuit Low Voltage (Bank 1, Sensor 2) short to ground -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • signal voltage < 20 mV AND
  • internal resistance < 10Ω
  • O2S dewpoint exceeded
  • O2S rear fully heated up
  • mass air flow > 12 kg/h
 5 Sec
  • continuous
  • 2 DCY
P0158 O2 Circuit High Voltage (Bank 1, Sensor 2) short to B+ -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING . Signal voltage >1.2 V --- 5 Sec
  • continuous
  • 2 DCY
P0159 O2 Circuit Slow Response (Bank 1, Sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • average tome of four checks > 1
  • for signal voltage change 0.5...0.28 V
  • mass air flow 18...120 kg/h
  • @ fuel cutoff enabled
  • O2S rear modeled exhaust gas temp > 450° C
  • ECT > 60° C
 4 Sec
  • once
  • 2 DCY
P0161 O2 Heater Circuit (Bank 1, Sensor 2) out of range -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER BEHIND TWC CATALYTIC CONVERTER, CHECKING . Heater internal resistance, > 4.6KΩ
  • Modeled exhaust gas temp, 300-400 °C
  • heater duty cycle 0.8...99.2%
 60 Sec
  • once
  • 2 DCY
P0171 System Too Lean (Bank 2) Additive -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the intake system for leaks (false air).-- Check the vacuum lines for leaks
  • Adaptive value >25%
  • Engine speed, < 864 RPM
  • evap purge valve, closed
  • lambda control, closed loop
  • ECT, > 70° C
  • integrated mass air flow, > 25g
  • ECT, >63.0 °C
  • accelerator PP value < 250%
  • delta mass air flow < 7.5 g/ Rev
  • mass air flow 0.0375 g/Rev
  • substitute ECT > 70° C
  • 35 Sec
  • continuous
  • 2 DCY
P0171 System Too Lean (Bank 2) Multiplitive -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the intake system for leaks (false air).-- Check the vacuum lines for leaks
  • Adaptive value > 0.0063 g/Rev
  • lambda control, closed loop
  • evap purge valve, closed
  • ECT, > 70.0° C
  • substitute ECT > 70° C
  • mass air flow 34...400 kg/h
  • Engine speed, 992...4000 RPM
  • delta mass air flow < 7.5 g/ Rev
  • accelerator PP value < 250%
  • integrated mass air flow, > 25g
  • 35 Sec
  • continuous
  • 2 DCY
P0172 System Too Rich (Bank 1) Additive -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the intake system for leaks (false air).-- Check the vacuum lines for leaks
  • Adaptive value < 25%
  • Engine speed, < 864 RPM
  • evap purge valve, closed
  • lambda control, closed loop
  • ECT, > 70° C
  • integrated mass air flow, > 25g
  • ECT, >63.0 °C
  • accelerator PP value < 250%
  • delta mass air flow < 7.5 g/ Rev
  • mass air flow 0.0375 g/Rev
  • substitute ECT > 70° C
  • 35 Sec
  • continuous
  • 2 DCY
P0172 System Too Rich (Bank 1) Multiplitive -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the intake system for leaks (false air).-- Check the vacuum lines for leaks
  • adaptive value < 0.0075 g/Rev
  • lambda control, closed loop
  • evap purge valve, closed
  • ECT, > 70.0° C
  • substitute ECT > 70° C
  • mass air flow 34...400 kg/h
  • Engine speed, 992...4000 RPM
  • delta mass air flow < 7.5 g/ Rev
  • accelerator PP value < 250%
  • integrated mass air flow, > 25g
 35 Sec
  • continuous
  • 2 DCY
P0174 System Too Lean (Bank 2) Additive -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the intake system for leaks (false air).-- Check the vacuum lines for leaks
  • Adaptive value >25%
  • Engine speed, < 864 RPM
  • evap purge valve, closed
  • lambda control, closed loop
  • ECT, > 70° C
  • integrated mass air flow, > 25g
  • ECT, >63.0 °C
  • accelerator PP value < 250%
  • delta mass air flow < 7.5 g/ Rev
  • mass air flow 0.0375 g/Rev
  • substitute ECT > 70° C
  • 35 Sec
  • continuous
  • 2 DCY
P0174 System Too Lean (Bank 2) Multiplitive -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the intake system for leaks (false air).-- Check the vacuum lines for leaks
  • Adaptive value > 0.0063 g/Rev
  • lambda control, closed loop
  • evap purge valve, closed
  • ECT, > 70.0° C
  • substitute ECT > 70° C
  • mass air flow 34...400 kg/h
  • Engine speed, 992...4000 RPM
  • delta mass air flow < 7.5 g/ Rev
  • accelerator PP value < 250%
  • integrated mass air flow, > 25g
  • 35 Sec
  • continuous
  • 2 DCY
P0175 System Too Lean (Bank 1) Additive -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the intake system for leaks (false air).-- Check the vacuum lines for leaks
  • Adaptive value < 25%
  • Engine speed, < 864 RPM
  • evap purge valve, closed
  • lambda control, closed loop
  • ECT, > 70° C
  • integrated mass air flow, > 25g
  • ECT, >63.0 °C
  • accelerator PP value < 250%
  • delta mass air flow < 7.5 g/ Rev
  • mass air flow 0.0375 g/Rev
  • substitute ECT > 70° C
  • 35 Sec
  • continuous
  • 2 DCY
P0175 System Too Rich (Bank 1) Multiplitive -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the intake system for leaks (false air).-- Check the vacuum lines for leaks
  • adaptive value < 0.0075 g/Rev
  • lambda control, closed loop
  • evap purge valve, closed
  • ECT, > 70.0° C
  • substitute ECT > 70° C
  • mass air flow 34...400 kg/h
  • Engine speed, 992...4000 RPM
  • delta mass air flow < 7.5 g/ Rev
  • accelerator PP value < 250%
  • integrated mass air flow, > 25g
  • 35 Sec
  • continuous
  • 2 DCY
P0190 Fuel Rail Pressure Sensor A Circuit -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  Open circuit or short to B+ Signal voltage > 4.6 V --- 2 Sec
  • Continuous
  • 2 DCY
P0191 Fuel Rail Control Valve, high pressure side -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  actual pressure > 13.8 MPa
  • time after engine start, > 60 Sec
  • engine speed, 640...6000 RPM
 5 Sec
  • Continuous
  • 2 DCY
P0192 Fuel Rail Pressure Sensor A Circuit Low Input -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  Signal voltage < 0.2 V --- 2 Sec
  • Continuous
  • 2 DCY
P0201 Injector Circuit / Open - Cylinder 1 -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .
  • signal voltage > 3.5 V
  • Low side signal current <10 A
  • injection valve commanded on
  • injection valve commanded off
  • 3 Sec
  • Continuous
  • 2 DCY
P0202 Injector Circuit / Open - Cylinder 2 -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .
  • signal voltage > 3.5 V
  • Low side signal current <10 A
  • injection valve commanded on
  • injection valve commanded off
  • 3 Sec
  • Continuous
  • 2 DCY
P0203 Injector Circuit / Open - Cylinder 3 -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .
  • signal voltage > 3.5 V
  • Low side signal current <10 A
  • injection valve commanded on
  • injection valve commanded off
  • 3 Sec
  • Continuous
  • 2 DCY
P0204 Injector Circuit / Open - Cylinder 4 -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING .
  • signal voltage > 3.5 V
  • Low side signal current <10 A
  • injection valve commanded on
  • injection valve commanded off
  • 3 Sec
  • Continuous
  • 2 DCY
P0205 Injector Circuit / Open - Cylinder 5 -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING .
  • signal voltage > 3.5 V
  • Low side signal current <10 A
  • injection valve commanded on
  • injection valve commanded off
  • 3 Sec
  • Continuous
  • 2 DCY
P0206 Injector Circuit / Open - Cylinder 6 -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING .
  • signal voltage > 3.5 V
  • Low side signal current <10 A
  • injection valve commanded on
  • injection valve commanded off
  • 3 Sec
  • Continuous
  • 2 DCY
P0221 Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • TPS 1-TPS 2, > 5.79°
  • AND
  • relative mass air integral > 100 @ 0.45 Sec
  • Engine start completed
  • TPS no fault
 0.2 Sec
  • continuous
  • 2 DCY
P0222 Throttle/Pedal Position Sensor/Switch B Circuit Low Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage, <0.117 V --- 0.2 Sec
  • continuous
  • 2 DCY
P0223 Throttle/Pedal Position Sensor/Switch B Circuit High Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage, > 4.6 V --- 0.2 Sec
  • continuous
  • 2 DCY
P0234 Turbocharger/Supercharger Overboost Condition Rationality check high -- Check the Charge Air Pressure Sensor -G31-. -- Check the charge air system for proper seal.
  • diff. set value boost pressure vs actual boost pressure value, >200...1275 hPa
 Altitude, <2700 m 1.2 Sec
  • multiple
  • 2 DCY
P0236 Turbocharger/Supercharger Boost Sensor A Plausibility check ULEV -- Check the Charge Air Pressure Sensor -G31-. -- Check the charge air system for proper seal.
  • diff. boost pressure signal vs altitude sensor signal, >230 hPa
  • diff. boost pressure signal vs altitude sensor signal, <130 hPa
  • engine s peed, <1000 RPM
  • throttle position, <11.50%
  • engine s peed, <1000 RPM
  • throttle position, <11.50%
 2 Sec
  • Continuous
  • 2 DCY
P0237 Turbocharger/Supercharger Boost Sensor A Circuit Low -- Check the Charge Air Pressure Sensor -G31-.-- Check the charge air system for proper seal. Refer to appropriate service information. Signal voltage, < 0.20 V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0238 Turbocharger/Supercharger Boost Sensor A Circuit High -- Check the Charge Air Pressure Sensor -G31-. -- Check the charge air system for proper seal. Refer to appropriate service information. Signal voltage, > 4.88 V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0243 Turbocharger/Supercharger Wastegate Solenoid A -- Check the Wastegate Bypass Regulator Valve -N75-. Signal voltage, > 4.40...5.60 V
  • boost pressure control valve, commanded off
  • Engine speed, > 80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0245 Turbocharger/Supercharger Wastegate Solenoid A Low -- Check the Wastegate Bypass Regulator Valve -N75-. Signal voltage, < 2.15...3.25 V
  • boost pressure control valve, commanded off
  • Engine speed, > 80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0246 Turbocharger/Supercharger Wastegate Solenoid A High -- Check the Wastegate Bypass Regulator Valve -N75-. Signal current, >2.20 A
  • boost pressure control valve, commanded on
  • Engine speed, > 80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0261 Cylinder 1 Injector Circuit Low -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .
  • Signal current < 10 A
  • signal voltage < 3.5 V
  • injection valve commanded on
  • injection valve commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0262 Cylinder 1 Injector Circuit High -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . Signal current > 16 A
  • Engine speed, > 80 RPM
  • injection valve, switched on
 3 Sec
  • Continuous
  • 2 DCY
P0264 Cylinder 2 Injector Circuit Low -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .
  • Signal current < 10 A
  • signal voltage < 3.5 V
  • injection valve commanded on
  • injection valve commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0265 Cylinder 2 Injector Circuit High -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . Signal current > 16 A
  • Engine speed, > 80 RPM
  • Injection valve, Commanded on
 3 Sec
  • Continuous
  • 2 DCY
P0267 Cylinder 3 Injector Circuit Low -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING .
  • Signal current < 10 A
  • signal voltage < 3.5 V
  • injection valve commanded on
  • injection valve commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0268 Cylinder 3 Injector Circuit High -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . Signal current > 16 A
  • Engine speed, > 80 RPM
  • Injection valve, Commanded on
 3 Sec
  • Continuous
  • 2 DCY
P0270 Cylinder 4 Injector Circuit Low -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING .
  • Signal current < 10 A
  • signal voltage < 3.5 V
  • injection valve commanded on
  • injection valve commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0271 Cylinder 4 Injector Circuit High -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING . Signal current > 16 A
  • Engine speed, > 80 RPM
  • Injection valve, Commanded on
 3 Sec
  • Continuous
  • 2 DCY
P0273 Cylinder 5 Injector Circuit Low -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING .
  • Signal current < 10 A
  • signal voltage < 3.5 V
  • injection valve commanded on
  • injection valve commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0274 Cylinder Injector 5 Circuit High -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING . Signal current > 16 A   3 Sec
  • Continuous
  • 2 DCY
P0276 Cylinder 6 Injector Circuit Low -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING .
  • Signal current < 10 A
  • signal voltage < 3.5 V
  • injection valve commanded on
  • injection valve commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0277 Cylinder 6 Injector Circuit High -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING . Signal current > 16 A   3 Sec
  • Continuous
  • 2 DCY
P0299 Turbocharger/Supercharger Underboost Rationality check low -- Check the charge air system for proper seal. Refer to Engine Mechanical, Fuel Injection and Ignition
  • diff. set value boost pressure vs actual boost pressure value, >150 hPa
  • Engine speed, 2200-2800 RPM
  • altitude <2700 m
  • diff. set value boost pressure vs actual boost pressure value
  • Boost pressure control, active
  • turbo charger bypass valve, closed
 6 Sec
  • multiple
  • 2 DCY

Ignition system 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0300 Random Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . OR FUEL INJECTORS, BANK 2, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323, N324-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • misfire rate Ist interval > 1.3%
  • time after engine start idle...150 RPM
  • Engine speed range, 150-6850 RPM
  • Engine torque, >=0 Nm
  • IAT, >-48 °C
  • Fuel cutoff, Not active
  • 1000 Rev.
  • 2 DCY
  • continuous
P0301 Cylinder 1 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . OR FUEL INJECTORS, BANK 2, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323, N324-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • misfire rate Ist interval > 1.3%
  • time after engine start idle...150 RPM
  • Engine speed range, 150-6850 RPM
  • Engine torque, >=0 Nm
  • IAT, >-48 °C
  • Fuel cutoff, Not active
  • 1000 Rev.
  • 2 DCY
  • continuous
P0302 Cylinder 2 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . OR FUEL INJECTORS, BANK 2, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323, N324-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • misfire rate Ist interval > 1.3%
  • time after engine start idle...150 RPM
  • Engine speed range, 150-6850 RPM
  • Engine torque, >=0 Nm
  • IAT, >-48 °C
  • Fuel cutoff, Not active
  • 1000 Rev.
  • 2 DCY
  • continuous
P0303 Cylinder 3 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . OR FUEL INJECTORS, BANK 2, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323, N324-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • misfire rate 1.2%
  • time after engine start idle...150 RPM
  • Engine speed range, 150-6850 RPM
  • Engine torque, >=0 Nm
  • IAT, >-48 °C
  • Fuel cutoff, Not active
  • 1000 Rev.
  • 2 DCY
  • continuous
P0304 Cylinder 4 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . OR FUEL INJECTORS, BANK 2, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323, N324-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • misfire rate 1.2%
  • time after engine start idle...150 RPM
  • Engine speed range, 150-6850 RPM
  • Engine torque, >=0 Nm
  • IAT, >-48 °C
  • Fuel cutoff, Not active
  • 1000 Rev.
  • 2 DCY
continuous
P0305 Cylinder 5 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . OR FUEL INJECTORS, BANK 2, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323, N324-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • misfire rate 1.2%
  • time after engine start idle...150 RPM
  • Engine speed range, 150-6850 RPM
  • Engine torque, >=0 Nm
  • IAT, >-48 °C
  • Fuel cutoff, Not active
  • 1000 Rev.
  • 2 DCY
continuous
P0306 Cylinder 6 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . OR FUEL INJECTORS, BANK 2, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323, N324-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • catalyst damage
  • misfire rate >1.2...1.5%
  • time after engine start idle...150 RPM
  • Engine speed range, 150-6850 RPM
  • Engine torque, >=0 Nm
  • IAT, >-48 °C
  • Fuel cutoff, Not active
  • 200 Rev.
  • Immediately
continuous
P0321 Ignition/Distributor Engine Speed Input Circuit Range/Performance -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • counted teeth versus reference, incorrect
  • OR
  • monitoring reference gap, failure
 --- 0.50 Sec
  • Continuous
  • 2 DCY
P0322 Ignition/Distributor Engine Speed Input Circuit No Signal -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • camshaft signals >3
  • Engine speed, no signal
 --- 0.50 Sec
  • Continuous
  • 2 DCY
P0324 Knock Control System Error -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING 
  • signal fault counter (combustion), >24.0
  • OR
  • signal fault counter (measuring window), >2.00
  • Communication errors
  • SPI communication > 25
 engine speed, 0 RPM
  • 0.5 Sec
  • Continuous
  • 2 DCY
P0326 Knock Sensor 1 Circuit Signal range check -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING 
  • lower threshold < 0.029 V
  • upper threshold > 1.992
  • engine speed > 2656 RPM
  • mass air flow > 0.75 g/Rev
 40 times
  • Continuous
  • 2 DCY
P0327 Knock Sensor 1 Circuit Short to ground, out of range low -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING 
  • lower threshold 0.18 V
  • engine speed > 2656 RPM
  • mass air flow > 0.75 g/Rev
 40 times
  • Continuous
  • 2 DCY
P0328 Knock Sensor 1 Circuit out of range high -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING 
  • upper threshold 4.8 V
  • engine speed > 2656 RPM
  • mass air flow > 0.75 g/Rev
 40 times
  • Continuous
  • 2 DCY
P0331 Knock Sensor 1 Circuit Signal range check -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING 
  • lower threshold < 0.029 V
  • upper threshold > 1.992
  • engine speed > 2656 RPM
  • mass air flow > 0.75 g/Rev
 40 times
  • Continuous
  • 2 DCY
P0332 Knock Sensor 2 Circuit out of range low -- Check theKnock Sensor (KS) 2 -G66-. Refer to KNOCK SENSOR 2, CHECKING 
  • lower threshold 0.18 V
  • engine speed > 2656 RPM
  • mass air flow > 0.75 g/Rev
 40 times
  • Continuous
  • 2 DCY
P0333 Knock Sensor 2 Circuit out of range high -- Check theKnock Sensor (KS) 2 -G66-. Refer to KNOCK SENSOR 2, CHECKING 
  • upper threshold 4.8 V
  • engine speed > 2656 RPM
  • mass air flow > 0.75 g/Rev
 40 times
  • Continuous
  • 2 DCY
P0335 Engine speed sensor different sensor Signal activity check -- Check the Engine Speed (RPM) Sensor -G28- Refer to ENGINE SPEED SENSOR, CHECKING 
  • RPM signal no signal for 2 Rev
  • RPM signal comparison with phase sensor synchrnous for 2 Rev
  • counted vs reference teeth > 1
  • actual time value vs modeled time value > 1.375
  • engine speed > 32 RPM
  • engine speed > 32 RPM
  • engine speed > 416 RPM
  • engine speed >480 RPM
  • 0.4 Sec
  • 0.3 Sec
  • 25 Sec
  • Continuous
  • 2 DCY
P0336 Engine speed sensor different sensor Functionality check -- Check the Engine Speed (RPM) Sensor -G28- Refer to ENGINE SPEED SENSOR, CHECKING 
  • RPM signal no signal for 2 Rev
  • RPM signal comparison with phase sensor synchrnous for 2 Rev
  • counted vs reference teeth > 1
  • actual time value vs modeled time value > 1.375
  • engine speed > 32 RPM
  • engine speed > 32 RPM
  • engine speed > 416 RPM
  • engine speed >480 RPM
  • 0.4 Sec
  • 0.3 Sec
  • 25 Sec
  • Continuous
  • 2 DCY
P0340 Camshaft Position Sensor A Circuit (Bank 1 or single sensor) -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • signal voltage, no altering @ 4 Revs
  • Engine speed sensor, > 32 MPH
 4 Sec
  • Continuous
  • 2 DCY
P0341 Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or single sensor) -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • actual time value vs min. time value < 1.1
  • adaptive value vs target value > 12-4 [° CA]
  • actual time value vs modeled time value 1...3.5
  • Engine speed sensor, > 32 MPH
  • engine speed > 416 RPM
  • duty cycle commanded off
  • ---
  • 0.1 Sec
  • 2 Sec
  • 3 Sec
  • ---
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
P0342 Camshaft Position Sensor A Circuit Low Input (Bank 1 or single sensor) -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • signal voltage low and crankshaft signals, 8.0
 --- 0.50 Sec
  • Continuous
  • 2 DCY
P0343 Camshaft Position Sensor A Circuit High Input (Bank 1 or single sensor) -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • signal voltage low and crankshaft signals, 8.0
 --- 0.50 Sec
  • Continuous
  • 2 DCY
P0345 Camshaft Position Sensor A Circuit (Bank 1 or single sensor) -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • signal voltage, no altering @ 4 Revs
  • Engine speed sensor, > 32 MPH
 2 Sec
  • Continuous
  • 2 DCY
P0346 Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or single sensor) -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • actual time value vs min. time value < 1.1
  • adaptive value vs target value > 12-4 [° CA]
  • actual time value vs modeled time value 1...3.5
  • Engine speed sensor, > 32 MPH
  • engine speed > 416 RPM
  • duty cycle commanded off
  • ---
  • 0.1 Sec
  • 2 Sec
  • 3 Sec
  • ---
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
P0351 Ignition Coil A Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N70-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current, < -0.05....02 mA
  • Engine speed, 512 RPM
 2 Sec
  • Continuous
  • 2 DCY
P0352 Ignition Coil B Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage - N127-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current, < -0.05....02 mA
  • Engine speed, 512 RPM
 2 Sec
  • Continuous
  • 2 DCY
P0353 Ignition Coil C Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage - N291-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current, < -0.04..0.2 mA
  • Engine speed, 512 RPM
 2 Sec
  • Continuous
  • 2 DCY
P0354 Ignition Coil D Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N292-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current, < -0.04..0.2 mA
  • Engine speed, 512 RPM
 2 Sec
  • Continuous
  • 2 DCY
P0355 Ignition Coil E Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current, < -0.04..0.2 mA
  • Engine speed, 512 RPM
 2 Sec
  • Continuous
  • 2 DCY
P0356 Ignition Coil F Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N324-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current, < -0.04..0.2 mA
  • Engine speed, 512 RPM
 2 Sec
  • Continuous
  • 2 DCY
P0365 Camshaft Position Sensor A Circuit (Bank 1 or single sensor) -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • signal voltage, no altering @ 4 Revs
  • Engine speed sensor, > 32 MPH
 2 Sec
  • Continuous
  • 2 DCY
P0390 Camshaft Position Sensor A Circuit (Bank 1 or single sensor) -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • signal voltage, no altering @ 4 Revs
  • Engine speed sensor, > 32 MPH
 2 Sec
  • Continuous
  • 2 DCY
P0391 Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or single sensor) -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • actual time value vs min. time value < 1.1
  • adaptive value vs target value > 12-4 [° CA]
  • actual time value vs modeled time value 1...3.5
  • Engine speed sensor, > 32 MPH
  • engine speed > 416 RPM
  • duty cycle commanded off
  • ---
  • 0.1 Sec
  • 2 Sec
  • 3 Sec
  • ---
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY

Additional exhaust regulation 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0410 system check after SAI Bank 1 Bank 2 Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM 
  • difference of SAIR pressure during phase 3 to SAIR pressure before SAIR injection > 30 mBar
  • mass air flow, 9.5...200kg/h
  • Delta engine load, < 10% rev
  • ECT > 4.5...39.8° C
  • IAT >4.5° C
  • altitude, < 2500 m
  • SAI pressure sensor, ready no fault.
 60 Sec
  • Once/DCY
  • 2 DCY
P0412 short to B+ Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM   
  • air valve, commanded on
  • igk commanded on
 0.1 Sec
  • Continuous
  • 2 DCY
P0413 open circuit Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM  signal voltage, < 0.8 mA
  • air valve, commanded on
  • igk commanded on
 0.1 Sec
  • Continuous
  • 2 DCY
P0414 short to ground Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM  signal voltage < 2 V
  • air valve, commanded on
  • igk commanded on
 0.1 Sec
  • Continuous
  • 2 DCY
P0415 short to B+ Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM  signal current 2.20...4.20 A
  • air valve, commanded on
  • igk commanded on
 0.1 Sec
  • Continuous
  • 2 DCY
P0416 open circuit Refer to SECONDARY AIR INJECTION SYSTEM  signal voltage, < 0.8 mA
  • air valve, commanded on
  • igk commanded on
 0.1 Sec
  • Continuous
  • 2 DCY
P0417 short to ground Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM  signal voltage < 2 V
  • air valve, commanded on
  • igk commanded on
 0.1 Sec
  • Continuous
  • 2 DCY
P0418 Air pump relay. Open circuit. Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM  signal voltage > 3 A
  • pump relay commanded off
  • igk commanded on
 0.1 Sec
  • Continuous
  • 2 DCY
P0420 Catalyst System (front) Efficiency Below Threshold (Bank 1) -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Three Way Catalytic Converter (TWC). Refer to CATALYTIC CONVERTER, CHECKING .
  • amplitude ratio O2S > 1.25
  • modeled exhaust gas temp. 550...900° C
  • ECT > 70° C
  • Engine speed, 1200-2900 RPM
  • delta engine speed < 350 RPM
  • mass air flow 0.36...1.4 g/REV
  • delta mass air flow < 2.25 g/REV
  • EVAP canister load low
 70 Sec
  • Once/DCY
  • 2 DCY
P0430 Catalyst System (only bin 5, ULEV) Efficiency Below Threshold (Bank 1) -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .-- Check the Three Way Catalytic Converter (TWC). Refer to CATALYTIC CONVERTER, CHECKING .
  • amplitude ratio O2S > 1.25
  • modeled exhaust gas temp. 550...900° C
  • ECT > 70° C
  • Engine speed, 1200-2900 RPM
  • delta engine speed < 350 RPM
  • mass air flow 0.36...1.4 g/REV
  • delta mass air flow < 2.25 g/REV
  • EVAP canister load low
 70 Sec
  • Once/DCY
  • 2 DCY
P0441 Evaporative Emission System Incorrect Purge Flow -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Reaction of idle controller or lambda controller Deviation less than 4% lambda controller OR idle controller deviation <6.0%
  • Engine speed, Idle RPM
  • Engine speed Deviation, < 80 RPM
  • ECT, >69.75°C or Substitute ECT, >69.75°
  • IAT, >5 °C
  • IAT at engine start > 5° C
  • altitude < 2500 m
 25 Sec
  • Once/ DCY
  • 2 DCY
P0442 Evaporative Emission System Leak Detected (Small Leak) -- Check the EVAP System, for Leaks. Refer to EVAPORATIVE SYSTEM, CHECKING FOR LEAKS .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Time for pressure drop < 1.0...1.3 Sec.
  • Evap purge valveclosed
  • LDP, Activated
  • Altitude, < 2500 m
  • number of diagnostic attempts <= 2
  • IAT > 5.25°
  • Delta ambient pressure, 0.5 kPa
  • IAT drop after engine start, < 6 K
  • Time after engine start> 1...1200 Sec.
  • ECT at start, 5.3...35° C
  • Vehicle speed, > 0 mph
 140 Sec
  • 2 DCY
P0444 Evaporative Emission System Purge Control Valve Circuit Open -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING . Signal current < 0.8mA
  • EVAP purge valve, Commanded off
  • Engine start completed
 2.0Sec
  • Continuous
  • 2 DCY
P0445 Evaporative Emission System Purge Control Valve Circuit shorted -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .
  • signal voltage < 2.0 V
  • EVAP purge valve, Commanded off
  • Engine start completed
 2.0Sec
  • Continuous
  • 2 DCY
P0445 Evaporative Emission System Purge Control Valve Circuit shorted to B+ -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .
  • signal current >1.0 A
  • EVAP purge valve, Commanded on
  • Engine start completed
 2.0Sec
  • Continuous
  • 2 DCY
P0455 Evaporative Emission System Leak Detected (gross leak/no flow) -- Check the EVAP System, for Leaks. Refer to EVAPORATIVE SYSTEM, CHECKING FOR LEAKS .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Time for pressure drop < 0.6...0.7 Sec.
  • Evap purge valveclosed
  • LDP, Activated
  • Altitude, < 2500 m
  • number of diagnostic attempts <= 2
  • IAT > 5.25°
  • Delta ambient pressure, 0.5 kPa
  • IAT drop after engine start, < 6 K
  • Time after engine start> 1...1200 Sec.
  • ECT at start, 5.3...35° C
  • Vehicle speed, > 0 mph
 140 Sec
  • Once/DCY
  • 2 DCY
P0456 Evaporative Emission System Leak Detected (very small leak) -- Check the EVAP System, for Leaks. Refer to EVAPORATIVE SYSTEM, CHECKING FOR LEAKS .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • time for pressure drop < 4.0...5.5 Sec
  • Evap purge valveclosed
  • LDP, Activated
  • Altitude, < 2500 m
  • number of diagnostic attempts <= 5
  • IAT > 5.25°
  • Delta ambient pressure, o.3 kPa
  • IAT drop after engine start, < 6 K
  • Time after engine start> 1...1200 Sec.
  • ECT at start, 5.3...35° C
  • Vehicle speed, 0...80.7 mph
  • vehicle acceleration <|4|m/s
 140Sec
  • once DCY
  • 2 DCY
P0458 Evaporative Emission System Purge Control Valve Circuit Low -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING . Signal voltage, <2.15...3.25 V
  • EVAP purge valve, Commanded off
  • Engine speed, >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0459 Evaporative Emission System Purge Control Valve Circuit High -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE PURGE REGULATOR VALVE, CHECKING . Signal current, > 2.20 A
  • EVAP purge valve, Commanded on
  • Engine speed, >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0491 Secondary Air System Insufficient Flow. flow check during cat. heating. Bank 1 Check the Secondary Air System.
  • relative secondary air mass flow 0.25
  • mass air flow, 9...100kg/h
  • Delta engine load, < 10% rev
  • engine speed idle
  • IAT, > 5.3°C
  • altitude, <2500 m
  • air mass integral after engine start > 5 k/g
 30...60 Sec
  • Once/DCY
  • 2 DCY
P0492 Secondary Air System Insufficient Flow. flow check during cat. heating. Bank 2 Check the Secondary Air System.
  • relative secondary air mass flow 0.25
  • mass air flow, 9...100kg/h
  • Delta engine load, < 10% rev
  • engine speed idle
  • IAT, > 5.3°C
  • altitude, <2500 m
  • air mass integral after engine start > 5 k/g
 30...60 Sec
  • Once/DCY
  • 2 DCY

Speed and idle control 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P050A Idle Air Control System RPM Lower or Higher Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . out of range low
  • engine speed deviation < 80...120 RPM
out of range high
  • engine speed deviation > 80...120 RPM
   13 Sec
  • multiple
  • 2 DCY
P0501 Vehicle Speed Sensor A Range/Performance -- Check vehicle speed signal. Refer to SPEED SIGNAL, CHECKING . VSS signal, < 4 km/h
  • engine torque >150 Nm
  • Engine speed, >2500 RPM
  • vehicle speed sensor, no fault
 5 Sec
  • multiple
  • 2 DCY
P0503 Vehicle Speed Sensor A Out of range high -- Check vehicle speed signal. Refer to SPEED SIGNAL, CHECKING . vehicle speed >200 km/h --- 0.5 Sec
  • Continuous
  • 2 DCY
P0506 Idle Air Control System RPM Lower Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . engine speed deviation < 80 RPM
  • engine speed idle
  • mass air flow < 1.05 g/Rev
  • evap purge flow < 1kg/h
  • Vehicle speed, 0 MPH
  • idle controller > |40|Nm
  • ECT, > 60...110 °C
  • time after engine staart 25 Sec
  • IM press/ambient press. 0.5
 13 Sec
  • multiple
  • 2 DCY
P0507 Idle Air Control System RPM Higher Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . engine speed deviation >-80 RPM
  • engine speed idle
  • mass air flow < 1.05 g/Rev
  • evap purge flow < 1kg/h
  • Vehicle speed, 0 MPH
  • idle controller > |40|Nm
  • ECT, > 60...110 °C
  • time after engine staart 25 Sec
  • IM press/ambient press. 0.5
 13 Sec
  • multiple
  • 2 DCY

Control module and output signals 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0601 Internal Control Module Memory Check Sum Error -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. Internal check sum, incorrect --- 2 Sec
  • once/DCY
  • 2 DCY
P0603 Internal Control Module hardware check -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. SPI communication lost --- 1 Sec
  • Continuous
  • 2 DCY
P0604 Internal Control Module Random Access Memory (RAM) Error -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. memory checksum error
  • battery voltage 9...17 V
 immediately
  • once/ DCY
  • 2 DCY
P0605 Internal Control Module Read Only Memory (ROM) Error -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. Checksum Incorrect --- ---
  • Continuous
  • 2 DCY
P0606 ECM Processor -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. ROM check failed ---
  • 2 Sec
  • once/ DCY
  • 2 DCY
P0627 Fuel Pump "A" Control Circuit /Open -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .
  • Internal error fuel pump control unit
  • Feedback from fuel pump control unit Pump blocked short circuit to battery +, ground or open circuit
  • Battery voltage, > 9-16 V
  • Engine start, Completed
 15 Sec
  • No Mil
P0638 Throttle Actuator Control Range/Performance - Bank 1 -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Rationality check:
  • duty cycle > 0.4 Sec at > 98%
  • AND
  • Actual TPS reference point, > 1.5°
signal range check:
  • TPS 1 signal voltage 0.208...0.852
  • OR
  • TPS 2 signal voltage 4.158...4.802 V
  • Engine speed, < 320 RPM
  • IAT, >5° C
  • Vehicle speed, < 1 MPH
  • ECT, 6...105° C
 5 Sec
  • once
  • 2 DCY
P0641 Sensor Reference Voltage A Circuit/Open -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. signal voltage, deviation +/- 0.3 V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0642 Sensor Reference Voltage A Circuit Low -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. Signal voltage, < 4.615 V Threshold values depending on internal 5 V rev voltage 0.15 Sec
  • Continuous
  • 2 DCY
P0643 Sensor Reference Voltage A Circuit High -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. 5 V supply voltage > 5.434 V --- 0.15 Sec
  • Continuous
  • 2 DCY
P0651 Sensor Reference Voltage B Circuit/Open -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. signal voltage, deviation +/- 0.3 V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0652 Sensor Reference Voltage B Circuit Low -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. Signal voltage, < 4.615 V --- 0.15 Sec
  • Continuous
  • 2 DCY
P0653 Sensor Reference Voltage B Circuit High -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. 5 V supply voltage > 5.434 V --- 0.15 Sec
  • Continuous
  • 2 DCY
P0657 Actuator Supply Voltage A Circuit / Open -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING . Signal current < 0.8 mA
  • engine relay, commanded on
 1.5 Sec
  • Continuous
  • 2 DCY
P0658 Actuator Supply Voltage A Circuit Low -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING . Signal voltage, < 2.0 V
  • engine relay, commanded off
 1.5 Sec
  • Continuous
  • 2 DCY
P0659 Actuator Supply Voltage "A" Circuit High -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING . Signal current >1.0 A
  • engine relay, commanded on
 1.5 Sec
  • Continuous
  • 2 DCY
P0685 ECM/PCM Power Relay Control Circuit/Open -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING .
  • Signal voltage, 2.6-3.7 V
  • Sense circuit voltage, >6 V
 ECM keep alive time main relay, Commanded on (Test pulse) 0.5 Sec
  • 2 DCY
P0686 ECM/PCM Power Relay Control Circuit Low -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING .
  • Sense circuit voltage, < 4.0 V
 ECM keep alive time main relay, Commanded off 0.15 Sec
  • once/DCY
  • 2 DCY
P0687 ECM/PCM Power Relay Control Circuit High -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING .
  • Sense circuit voltage, > 6 V
  • Main relay, Commanded on
 0.15 Sec
  • once/DCY
  • 2 DCY
P0688 ECM/PCM Power Relay Sense Circuit -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to MOTRONIC ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING .
  • Sense voltage, <3.0 V
  • Difference sense circuit voltage with camshaft actuator commanded off and on >2.5 V
  • Battery voltage > 3 V
  • Main relay, commanded on
  • ECM keep alive time
  • Switch off test - Failed
  • 1 Sec
  • 4 Sec
  • 2 Sec
  • 2 DCY
P0697 Sensor Reference Voltage C Circuit / Open -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. signal voltage, deviation +/- 0.3 V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0698 Sensor Reference Voltage C Circuit Low -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. Signal voltage, < 4.6-5 V Threshold values dep. on internal 5 V rev voltage 0.4 Sec
  • 2 DCY
P0699 Sensor Reference Voltage C Circuit High -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. 5 V supply voltage>4.99-5.41 V Threshold values dep. on internal 5 V rev voltage 0.4 Sec
  • 2 DCY

Fuel and Air ratios, control module 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P11A2 cylinder 1 functional check -- Check the Cam Adjustment Actuator 1 -F366-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . switch to low lift 0.00147 Sec > 430, 125 ° KW 0.4 Sec
  • every switch
  • 2 DCY
P11A4 cylinder 1 functional check -- Check the Cam Adjustment Actuator 2 -F367-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . switch to high lift 0.00147 Sec > 430, 125 ° KW 0.4 Sec
  • every switch
  • 2 DCY
P11A6 cylinder 2 functional check -- Check the Cam Adjustment Actuator 3 -F368-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . switch to low lift 0.00147 Sec > 190, 125 ° KW 0.4 Sec
  • every switch
  • 2 DCY
P11A8 cylinder 2 functional check -- Check the Cam Adjustment Actuator 4 -F369-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . switch to high lift 0.00147 Sec > 190, 125 ° KW 0.4 Sec
  • every switch
  • 2 DCY
P11AA cylinder 3 functional check -- Check the Cam Adjustment Actuator 5 -F370-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . switch to low lift 0.00147 Sec > 670, 125 ° KW 0.4 Sec
  • every switch
  • 2 DCY
P11AC cylinder 3 functional check -- Check the Cam Adjustment Actuator 6 -F371-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . switch to high lift 0.00147 Sec > 670, 125 ° KW 0.4 Sec
  • every switch
  • 2 DCY
P11AE cylinder 4 functional check -- Check the Cam Adjustment Actuator 7 -F372-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING . switch to low lift 0.00147 Sec > 550, 125 ° KW 0.4 Sec
  • every switch
  • 2 DCY
P11B0 cylinder 4 functional check -- Check the Cam Adjustment Actuator 8 -F373-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING . switch to high lift 0.00147 Sec > 550, 125 ° KW 0.4 Sec
  • every switch
  • 2 DCY
P11B2 cylinder 5 functional check -- Check the Cam Adjustment Actuator 9 -F374-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING . switch to low lift 0.00147 Sec > 310, 125° KW 0.4 Sec
  • every switch
  • 2 DCY
P11B4 cylinder 5 functional check -- Check the Cam Adjustment Actuator 10 -F375-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING . switch to high lift 0.00147 Sec > 310, 125° KW 0.4 Sec
  • every switch
  • 2 DCY
P11B6 cylinder 6 functional check -- Check the Cam Adjustment Actuator 11 -F376-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING . switch to low lift 0.00147 Sec > 70, 125° KW 0.4 Sec
  • every switch
  • 2 DCY
P11B8 cylinder 6 functional check -- Check the Cam Adjustment Actuator 12 -F377-. Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING . switch to high lift 0.00147 Sec > 70, 125° KW 0.4 Sec
  • every switch
  • 2 DCY
P11A1 cyl 1 low lift electrical problem -- Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11A3 cyl 1 high lift electrical problem -- Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11A5 cyl 2 low lift electrical problem -- Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11A7 cyl 2 high lift electrical problem -- Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11A9 cyl 3 low lift electrical problem -- Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11AB cyl 3 high lift electrical problem -- Refer to CAMSHAFT ADJUSTMENT ACTUATORS, RIGHT BANK 1, CHECKING . internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11AD cyl 4 low lift electrical problem Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING  internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11AF cyl 4 high lift electrical problem Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING  internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11B1 cyl 5 low lift electrical problem Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING  internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11B3 cyl 5 high lift electrical problem Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING  internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11B5 cyl 6 low lift electrical problem Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING  internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P11B7 cyl 6 high lift electrical problem Refer to CAMSHAFT ADJUSTMENT ACTUATORS, LEFT BANK 2, CHECKING  internal hardware check
  • for open circuit to plus and short cut to battery switching active
  • for short to ground..no switching active
 0.3 Sec
  • 2 DCY
P1114 Internal resistance too large (Bank 1, sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING . Heater resistance, (128-648)*(8-40)1.02-25.9 k Ω (dep. on mod. exhaust temp. and heater power)
  • Battery voltage, 10.7-16.1 V
  • Modeled exhaust gas temp, 300-600 °C
  • Engine shutoff time, 300 Sec.
  • IAT, >6.75 °C
 15 Sec
  • 2 DCY
P12A1 Fuel Rail Pressure Sensor Inappropriately Low -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING 
  • deviation fuel rail pressure control > 0.06 g/Rev
  • AND
  • deviation lambda control < -22.5%
  • engine speed 640...3480 RPM
  • time after engine start > 8 Sec
  • high pressure pump setpoint 0.030...0.12 g/Rev
  • evap canister load < 25%
  • lambda control closed loop
  • fuel cut off not active
  • 5 Sec
  • Continuous
  • 2 DCY
P12A2 Fuel Rail Pressure Sensor Inappropriately High -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING 
  • deviation fuel rail pressure control < 0.015 g/Rev
  • AND
  • deviation lambda control > 30%
  • engine speed 640...3480 RPM
  • time after engine start > 8 Sec
  • high pressure pump setpoint 0.030...0.12 g/Rev
  • evap canister load < 25%
  • lambda control closed loop
  • fuel cut off not active
  • 5 Sec
  • Continuous
  • 2 DCY
P12A4 Fuel Rail Pump Control Valve Stuck Closed -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING 
  • deviation fuel rail pressure < 0.120 g/Rev
  • AND
  • deviation lambda controller -15...15%
  • actual pressure above target pressure
  • fuel cut off not active
  • engine speed 640...3480 RPM
  • time after engine start > 8 Sec
  • high pressure pump setpoint 0.015....0.12 g/Rev
  • lambda control closed loop
  • EVAP canister load < 25%
  • fuel cut off not active
  • engine speed 640...3480 RPM
  • time after engine start > 8 Sec
  • high pressure pump setpoint 0.030...0.12 g/Rev
  • lambda control closed loop
  • EVAP canister load < 25%
  • control vale commanded open
 20 Sec ---

Fuel and air mixture, additional emissions regulations 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2004 Intake Manifold Runner Control Stuck Open Bank 1 -- Check the Intake Flap Motor -V157- /Intake Manifold Runner Position Sensor -G336-.
  • Normal closed position, unable to reach
  • Signal voltage, <2.62 or >4.65 V
or
  • Normal open position, unable to reach
  • signal voltage, <0.35 or >2.38 V
  • ECM keep alive time Ignition, Off
  • Runner flaps, Commanded closed
  • Battery voltage, >10 V
  • tumble flap, >5%ECT, -40.5-140 °C
  • IAT, -40.5-140 °C
  • Position sensor, No DTC
  • Actuator, No DTC
 25 Sec
  • Once/DCY
  • 2 DCY
P2008 Intake Manifold Runner Control Circuit/Open Bank 1 -- Check the Intake Flap Motor -V157- /Intake Manifold Runner Position Sensor -G336-.
  • signal voltage 4.40...5.60 V
  • tumble flap, commanded off
  • engine speed >80 RPM
  • 0.5 Sec
  • Continuous
  • 2 DCY
P2009 Intake Manifold Runner Control Circuit/Shorted Bank 1 -- Check the Intake Flap Motor -V157- /Intake Manifold Runner Position Sensor -G336-.
  • signal voltage 2.15...3.25 V
  • tumble flap, commanded off
  • engine speed >80 RPM
  • 0.5 Sec
  • Continuous
  • 2 DCY
P2010 Intake Manifold Runner Control Circuit/Shorted to B+ Bank 1 -- Check the Intake Flap Motor -V157- /Intake Manifold Runner Position Sensor -G336-.
  • signal current >2.20 A
  • tumble flap, commanded on
  • engine speed >80 RPM
  • 0.5 Sec
  • Continuous
  • 2 DCY
P2014 Intake Manifold Runner Position Sensor/Switch Circuit Bank 1 -- Check the Intake Flap Motor -V157- /Intake Manifold Runner Position Sensor -G336-. Signal voltage, >4.75 V --- 0.3 Sec
  • 2 DCY
P2015 Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance Bank 1 -- Check the Intake Flap Motor -V157- /Intake Manifold Runner Position Sensor -G336-.
  • Deviation runner flap position vs actual position >25 %
 ---
  • 1.5 Sec
  • multiple
  • 2 DCY
P2016 Intake Manifold Runner Position Sensor/Switch Circuit Low (Bank 1) -- Check the Intake Flap Motor -V157- /Intake Manifold Runner Position Sensor -G336-. Signal voltage, <0.25 V --- 0.3 Sec
  • Continuous
  • 2 DCY
P2088 A Camshaft Position Actuator Control Circuit Low Bank 1 short to ground -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . Signal voltage, < 2 V
  • camshaft valve commanded off
 2 Sec
  • Continuous
  • 2 DCY
P2089 A Camshaft Position Actuator Control Circuit High Bank 1 short to B+ -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . Signal current, > 3 A
  • camshaft valve commanded on
 0.50 Sec
  • Continuous
  • 2 DCY
P2090 A Camshaft Position Actuator Control Circuit Low Bank 1 short to ground -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . signal voltage < 2 V
  • camshaft valve commanded off
 2 Sec
  • Continuous
  • 2 DCY
P2091 A Camshaft Position Actuator Control Circuit High Bank 1 short to B+ -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . Signal current, > 3 A
  • camshaft valve commanded on
 2 Sec
  • Continuous
  • 2 DCY
P2092 A Camshaft Position Actuator Control Circuit Low Bank 2 short to ground -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . Signal voltage, < 2 V
  • camshaft valve commanded off
 2 Sec
  • Continuous
  • 2 DCY
P2093 A Camshaft Position Actuator Control Circuit High Bank 2 short to B+ -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . Signal current, > 3 A
  • camshaft valve commanded on
 2 Sec
  • Continuous
  • 2 DCY
P2094 A Camshaft Position Actuator Control Circuit Low Bank 2 short to ground -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
  • camshaft valve commanded off
  • camshaft valve commanded off
 2 Sec
  • Continuous
  • 2 DCY
P2095 A Camshaft Position Actuator Control Circuit High Bank 2 short to B+ -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . Signal current, > 3 A
  • camshaft valve commanded on
 2 Sec
  • Continuous
  • 2 DCY
P2096 Post Catalyst Fuel Trim out of range high Bank 2 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • integral part of trim control, post cat > 10%
  • modeled cat temp.,> 400° C
  • lambda control, closed loop
  • trim control post cat closed loop
  • engine speed 640....4000 RPM
  • engine load 15...70%
  • Δ set value 0.985...1.005
  • delta engine speed < 7500 RPM
  • Δ mass air flow < 15 g/Rev
  • accelerator PP value < 1000%
  • mass air flow 9.4...528 kg/h
 120 Sec
  • Continuous
  • 2 DCY
P2097 Post Catalyst Fuel Trim out of range low Bank 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • integral part of trim control, post cat < 10%
  • modeled cat temp.,> 400° C
  • lambda control, closed loop
  • trim control post cat closed loop
  • engine speed 640....4000 RPM
  • engine load 15...70%
  • Δ set value 0.985...1.005
  • delta engine speed < 7500 RPM
  • Δ mass air flow < 15 g/Rev
  • accelerator PP value < 1000%
  • mass air flow 9.4...528 kg/h
 120 Sec
  • Continuous
  • 2 DCY
P2098 Post Catalyst Fuel Trim out of range high Bank 2 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • integral part of trim control, post cat > 10%
  • modeled cat temp.,> 400° C
  • lambda control, closed loop
  • trim control post cat closed loop
  • engine speed 640....4000 RPM
  • engine load 15...70%
  • Δ set value 0.985...1.005
  • delta engine speed < 7500 RPM
  • Δ mass air flow < 15 g/Rev
  • accelerator PP value < 1000%
  • mass air flow 9.4...528 kg/h
 120 Sec
  • Continuous
  • 2 DCY
P2099 Post Catalyst Fuel Trim out of range low Bank 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • integral part of trim control, post cat < 10%
  • modeled cat temp.,> 400° C
  • lambda control, closed loop
  • trim control post cat closed loop
  • engine speed 640....4000 RPM
  • engine load 15...70%
  • Δ set value 0.985...1.005
  • delta engine speed < 7500 RPM
  • Δ mass air flow < 15 g/Rev
  • accelerator PP value < 1000%
  • mass air flow 9.4...528 kg/h
 120 Sec
  • Continuous
  • 2 DCY

Fuel and air ratio 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2101 Throttle Actuator Control Motor Circuit Range/Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Duty cycle >.4 Sec at > 98%
  • AND
  • actual TPS ref point > 1.5°
  • OR
  • actual TPS calc value > 0.4 Sec at 8°
 engine start- not active
  • 0.45 Sec
  • Continuous
  • 2 DCY
P2106 Throttle Actuator Control System - short to B+ or ground -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • internal check failure
 engine start completed 0.45 Sec
  • Continuous
  • 2 DCY
P2106 Throttle Actuator Control System Open circuit -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • internal check
  • duty cycle, >80%
  • OR
  • deviation throttle valve angles vs calculated value, 4.0...50.0%
 0.2 Sec
  • Continuous
  • 2 DCY
P2106 Throttle Actuator Control System temp./current monitoring -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • internal check, failed
 --- 0.2 Sec
  • Continuous
  • 2 DCY
P2106 Throttle Actuator Control System Functional check -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • internal check, failed
 --- 0.2 Sec
  • Continuous
  • 2 DCY
P2110 Throttle Actuator Control System - Forced Limited RPM -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Engine load Out of range --- ---
  • 2 DCY
P2122 Throttle/Pedal Position Sensor/Switch D Circuit Low Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage < 0.606 V --- 0.20 Sec
  • Continuous
  • 2 DCY
P2123 Throttle/Pedal Position Sensor/Switch D Circuit High Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage >4.794 V --- 0.20 Sec
  • Continuous
  • 2 DCY
P2127 Throttle/Pedal Position Sensor/Switch E Circuit Low Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage < 0.2 V --- 0.2 Sec
  • Continuous
  • 2 DCY
P2128 Throttle/Pedal Position Sensor/Switch E Circuit High Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage >2.8 V --- 0.2 Sec
  • Continuous
  • 2 DCY
P2138 Throttle/Pedal Position Sensor/Switch D / E Rationality check -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Delta Signal voltage, Sensor 1 vs 2, > 0.24 V
 ---
  • 0.35 Sec
  • Continuous
  • 2 DCY
P2146 Fuel Injector Group A Supply Voltage Circuit / short to ground -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . Signal current, >14.90 A
  • Engine speed >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P2147 Fuel Injector Group A Supply Voltage Circuit / short to ground -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . signal current > 12 A
  • injection valve commanded on
 3 Sec
  • Continuous
  • 2 DCY
P2148 Fuel Injector Group A Supply Voltage Circuit / short to B+ -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . signal current > 33 A
  • injection valve commanded on
 3 Sec
  • Continuous
  • 2 DCY
P2149 Fuel Injector Group B Supply Voltage Circuit / Short to ground -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 2, CHECKING . Signal current >14.90 A
  • Engine speed >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P2150 Fuel Injector Group A Supply Voltage Circuit / short to ground -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . signal current > 12 A
  • injection valve commanded on
 3 Sec
  • Continuous
  • 2 DCY
P2151 Fuel Injector Group A Supply Voltage Circuit / short to B+ -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . signal current > 33 A
  • injection valve commanded on
 3 Sec
  • Continuous
  • 2 DCY
P2153 Fuel Injector Group A Supply Voltage Circuit / short to ground -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . signal current > 12 A
  • injection valve commanded on
 3 Sec
  • Continuous
  • 2 DCY
P2154 Fuel Injector Group A Supply Voltage Circuit / short to B+ -- Check the Fuel injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, BANK 1, CHECKING . signal current > 33 A
  • injection valve commanded on
 3 Sec
  • Continuous
  • 2 DCY
P2181 Cooling System Performance -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the Coolant Pump -V50- Refer to the appropriate service information.-- Check the Coolant Thermostat. Refer to the appropriate service information..
  • ECT < 75° C
  • mass air integral 3.5...24.0 kg/h
  • ECT at start, -7...57° C
  • accumulated fuel cut-off time, < 120 Sec
  • delta ambient pressure, < 1.5 kPa
  • vehicle speed, 19...75 MPH
  • mass air flow 50...200 kg/h
 500 Sec
  • once/DCY
  • 2 DCY
P2195 O2 Sensor Signal Biased/Stuck Lean - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • lambda value > 1.1
  • lambda control, closed loop
  • lambda control post cat closed loop
  • ECT > 60° C
  • engine speed >992 RPM
  • engine speed deviation < 150 Rev
  • engine load 30...399 kg/h
  • delta engine load < 0.15 g/rev
  • lambda deviation < 3%
  • integrated mass air flow 150g
  • modeled exhaust gas temp., 500... 750° C
  • deviation lambda control > 35%
  • 100 Sec
  • Continuous
  • 2 DCY
P2196 O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • lambda value < 0.9
  • lambda control, closed loop
  • lambda control post cat closed loop
  • ECT > 60° C
  • engine speed >992 RPM
  • engine speed deviation < 150 Rev
  • engine load 30...399 kg/h
  • delta engine load < 0.15 g/rev
  • lambda deviation < 3%
  • integrated mass air flow 150g
  • modeled exhaust gas temp., 500... 750° C
  • deviation lambda control < 35%
  • 100 Sec
  • Continuous
  • 2 DCY
P2197 O2 Sensor Signal Biased/Stuck Lean - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • lambda value > 1.1
  • lambda control, closed loop
  • lambda control post cat closed loop
  • ECT > 60° C
  • engine speed >992 RPM
  • engine speed deviation < 150 Rev
  • engine load 30...399 kg/h
  • delta engine load < 0.15 g/rev
  • lambda deviation < 3%
  • integrated mass air flow 150g
  • modeled exhaust gas temp., 500... 750° C
  • deviation lambda control > 35%
 100 Sec
  • Continuous
  • 2 DCY
P2198 O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • lambda value < 0.9
  • lambda control, closed loop
  • lambda control post cat closed loop
  • ECT > 60° C
  • engine speed >992 RPM
  • engine speed deviation < 150 Rev
  • engine load 30...399 kg/h
  • delta engine load < 0.15 g/rev
  • lambda deviation < 3%
  • integrated mass air flow 150g
  • modeled exhaust gas temp., 500... 750° C
  • deviation lambda control < 35%
 100 Sec
  • Continuous
  • 2 DCY
P2231 O2 Sensor Signal Circuit Shorted to Heater Circuit -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING . Delta O2S signal front, >190uA
  • Engine speed, <2700 RPM
  • engine load, <60%
  • heater duty cycle, 20.0...80.0%
  • Modeled exhaust, <800.1 °C
  • lambda set value READ ERROR
  • lambda, 0.95...1.05
  • O2S Heater no fault
 15 Sec
  • multiple
  • 2 DCY
P2237 O2 Sensor Positive Current Control Circuit / Open - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • signal activity check Failed
  • O2s front no other faults
  • 35 Sec
  • Continuous
  • 2 DCY
P2240 open circuit, pump current -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • signal activity check Failed
  • O2s front no other faults
 35 Sec
  • Continuous
  • 2 DCY
P2243 O2 Sensor Reference Voltage Circuit / Open - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • functional check failed and intrusive check failed
 --- 35 Sec
  • Continuous
  • 2 DCY
P2247 O2 Sensor Reference Voltage Circuit / Open - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • functional check failed and signal activity check failed
 --- 35 Sec
  • Continuous
  • 2 DCY
P2251 O2 Sensor Reference Voltage Circuit / Open - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • functional check failed and signal activity check failed
 --- 45 Sec
  • Continuous
  • 2 DCY
P2254 O2 Sensor Reference Voltage Circuit / Open - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .     45 Sec
  • Continuous
  • 2 DCY
P2257 Air pump relay. short to grnd. Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM  signal voltage <2.00 V
  • pump relay commanded off
  • igk commanded on
 0.1 Sec
  • Continuous
  • 2 DCY
P2258 Air pump relay. sort to B+. Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM  signal current < 0.8
  • pump relay commanded on
  • igk commanded on
 0.1 Sec
  • Continuous
  • 2 DCY
P2270 O2 Circuit Slow Response (Bank 1, Sensor 3 -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. Rationality check, O2S signal rear, <0.620...0.654 mV
  • mass air flow, >25kg/h
  • O2S rear readiness,>10 Sec
  • modeled exhaust gas temp. >350 °C
 100 Sec
  • 2 DCY
P2270 O2 Circuit Slow Response (Bank 1, Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING . Rationality check, O2S signal rear, <0.557...0.630 mV
  • mass air flow, >25kg/h
  • O2S rear readiness,>10 Sec
  • modeled exhaust gas temp. >350 °C
 100 Sec
  • 2 DCY
P2271 O2 Circuit (Bank 1, Sensor 3 -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-.
  • measurement range from fuel cut-off to voltage threshold, <=152.3 mV
  • number of checks (initial phase), >=1
  • rich voltage, >=547.9 mV
  • lean voltage <=152.3 mV
  • OR
  • Max O2 mass flow (disable), >=5500 mg
  • O2S rear, ready
  • fuel cut-off, active
  • front O2 sensor, lambda signal, >10.00
  • modeled exhaust gas temp. >400 °C
  • exhaust gas mass flow, >25.0 kg/h
  • rear O2 sensor internal resistance, <=131 KΩ (4.6KΩ for SULEV)
  • or resistance measurement, ready
  • front O2 sensor, sensor cross change, no fault
  • rear O2 sensor heater, wires and oscillating check, no fault
  • purge valve, no fault
 0.5 Sec
  • 2 DCY
P2271 O2 Circuit (Bank 1, Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING . Rationality check, O2S signal rear, <0.557...0.630 mV
  • mass air flow, >25kg/h
  • O2S rear readiness,>10 Sec
  • modeled exhaust gas temp. >350 °C
 100 Sec
  • 2 DCY
P2274 O2 Circuit Slow Response (Bank 1, Sensor 3 -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. Rationality check, O2S signal rear, <0.620...0.654 mV
  • mass air flow, >25kg/h
  • O2S rear readiness,>10 Sec
  • modeled exhaust gas temp. >350 °C
 100 Sec
  • 2 DCY
P2275 O2 Circuit Slow Response (Bank 1, Sensor 3 -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-.
  • measurement range from fuel cut-off to voltage threshold, <=152.3 mV
  • number of checks (initial phase), >=1
  • ULEV
  • O2S signal rear,>0.620...0.654 mV
  • rich voltage, >=547.9 mV
  • lean voltage <=152.3 mV
  • OR
  • Max O2 mass flow (disable), >=5500 mg
  • O2S rear, ready
  • fuel cut-off, active
  • front O2 sensor, lambda signal, >10.00
  • modeled exhaust gas temp. >400 °C
  • exhaust gas mass flow, >25.0 kg/h
  • rear O2 sensor internal resistance, <=131 KΩ (4.6KΩ for SULEV)
  • or resistance measurement, ready
  • front O2 sensor, sensor cross change, no fault
  • rear O2 sensor heater, wires and oscillating check, no fault
  • purge valve, no fault
  • ULEV
  • mass air flow, >25kg/h
  • O2S rear readiness,>10 Sec
  • modeled exhaust gas temp. >350 °C
  • fuel cut-off >3 Sec
  • 0.5 Sec
  • 100 Sec
  • 2 DCY
  • 2 DCY
P2279 Intake air system leak -- Check the Intake Air Temperature (IAT) Sensor -G42- Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR AND INTAKE AIR TEMPERATURE SENSOR, CHECKING 
  • threshold to detect a defective system >1.33....1.6
  • AND
  • ratio of the tie system defective during the measurement window to the whole duration of the measurement window >0.60000
  • time after engine start >60.0 Sec
  • engine load <40%
  • mass air flow <6553.50 kg/h
  • ECT >49.50 °C
  • IAT <99.80 °C
  • lambda control value >0.95
  • lambda set value 0.95...1.05
  • vehicle speed < 1.00km/h
  • lambda control active
  • engine speed idle
  • altitude <2700m
  • O2S front no fault
  • number of checks 3
 23 Sec
  • multiple
  • 2 DCY
P2293 Fuel Pressure Regulator 2 Performance -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING 
  • difference between target pressure vs. actual pressure, >1.50mPa
  • difference between target pressure vs. actual pressure, < -1.50 mPa
  • time after engine start, 10.0 Sec
  • fuel cut off, not active
 3.5 Sec
  • multiple
  • 2 DCY
P2294 Fuel Pressure Regulator 2 Control Circuit open circuit -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  signal current < 0.8 mA time after engine start 5...15 Sec 5 Sec
  • Continuous
  • 2 DCY
P2295 Fuel Pressure Regulator 2 Control Circuit Low short to ground -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  signal voltage < 2.0 V time after engine start 5...15 Sec 5 Sec
  • Continuous
  • 2 DCY
P2296 Fuel Pressure Regulator 2 Control Circuit High -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  Signal current > 8.0 A
  • time after engine start 5...15 Sec
 5 Sec
  • Continuous
  • 2 DCY

Ignition System 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2300 Ignition Coil A Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage -N70-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING . Signal current >24.0 mA
  • Engine speed, >680 RPM
 0.5 Sec
  • continuous
  • 2 DCY
P2301 Ignition Coil A Primary Control Circuit High -- Check the Ignition Coils with Power Output Stage -N70-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING . Signal current >5.1...7.0 mA
  • Engine speed, >680 RPM
 0.50 Sec
  • continuous
  • 2 DCY
P2303 Ignition Coil B Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage - N127-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING . Signal current >24.0 mA
  • Engine speed, >680 RPM
 0.50 Sec
  • continuous
  • 2 DCY
P2304 Ignition Coil B Primary Control Circuit High -- Check the Ignition Coils with Power Output Stage - N127-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING . Signal current >5.1...7.0 mA
  • Engine speed, >680 RPM
 0.50 Sec
  • continuous
  • 2 DCY
P2306 Ignition Coil C Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage -N291-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING . Signal current >24.0 mA
  • Engine speed, >680 RPM
 0.50 Sec
  • continuous
  • 2 DCY
P2307 Ignition Coil C Primary Control Circuit High -- Check the Ignition Coils with Power Output Stage -N291-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING . Signal voltage >5.1...7.0 mA
  • Engine speed, >680 RPM
 ---
  • continuous
  • 2 DCY
P2309 Ignition Coil D Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage -N292-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING . Signal current >24.0 mA
  • Engine speed, >680 RPM
 0.5 Sec
  • continuous
  • 2 DCY
P2310 Ignition Coil D Primary Control Circuit High -- Check the Ignition Coils with Power Output Stage -N292-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING . Signal voltage >5.1...7.0 mA
  • Engine speed, >680 RPM
 0.5 Sec
  • continuous
  • 2 DCY

Additional emission regulations 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2400 Evaporative Emission System Leak Detection Pump Control Circuit/Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Signal current < 0.8mA
  • LDP Commanded on
  • Engine speed, > 416 RPM
 0.27 Sec
  • Continuous
  • 2 DCY
P2401 Evaporative Emission System Leak Detection Pump Control Circuit Low -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Signal voltage < 2.0 V
  • LDP Commanded off
  • Engine speed, > 416 RPM
 0.27 Sec
  • Continuous
  • 2 DCY
P2402 Evaporative Emission System Leak Detection Pump Control Circuit High -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Signal current > 1.0 A   0.27 Sec
  • 2 DCY
P2403 Evaporative Emission System Leak Detection Pump Sense Circuit/Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Low signal voltage > 1 Sec
  • LDP Commanded on
  • Engine speed, >416 RPM
 10 Sec
  • Once/DCY
  • 2 DCY
P2404 Evaporative Emission System Leak Detection Pump Sense Range/Performance -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • High signal voltage over time > 0.36 Sec
  • LDP Commanded on
  • Engine speed, >416 RPM
 10 Sec
  • Once/DCY
  • 2 DCY
P2414 O2 Sensor Exhaust Sample Error Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • O2S signal front > 3.1 V
  • lambda control active
  • engine torque positive
  • engine speed no idle
  • 25 Sec
  • continuous
  • 2 DCY
P2415 O2 Sensor Exhaust Sample Error Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • O2S signal front > 3.1 V
  • lambda control active
  • engine torque positive
  • engine speed no idle
  • 25 Sec
  • continuous
  • 2 DCY
P2431 rationality check Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM . difference between SAI pressure, AMP, and MAP -60...50 h/Pa
  • ambient pressure sensor no fault
  • manifild air pressure sensor no fault
  • SAI done
 60 Sec
  • 2 DCY
P2432 signal range check Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM  l. signal voltage, <0.5 V
  • ambient pressure sensor no fault
 0.5 Sec
  • Continuous
  • 2 DCY
P2433 signal range check Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM  signal voltage, >4.5 V
  • ambient pressure sensor no fault
 0.5 Sec
  • Continuous
  • 2 DCY
P2440 stuck open-Bank 1 Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM 
  • blockage: relative SAIR pressure (phase 1) >= 0.5...0.648
  • leakage: relative SAIR pressure (phase 1) >= 0.602 and
  • (phase 2) < 0.75
  • air valve commanded off
  • air pump commanded on
 20 Sec
  • once
  • 2 DCY
P2442 stuck open-Bank 2 Check the Secondary Air System. Refer to SECONDARY AIR INJECTION SYSTEM 
  • blockage: relative SAIR pressure (phase 1) >= 0.5...0.648
  • leakage: relative SAIR pressure (phase 1) >= 0.602 and
  • (phase 2) < 0.75
  • air valve commanded off
  • air pump commanded on
 20 Sec
  • once
  • 2 DCY
P2539 Low Pressure Fuel System Sensor Circuit -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  Signal voltage > 4.6 V --- 2 Sec
  • Continuous
  • 2 DCY
P2540 Low Pressure Fuel System Sensor Circuit Range/Performance -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  Actual pressure Deviation < 800 kPa <80 kPa --- 5 Sec
  • 2 DCY
P2541 Low Pressure Fuel System Sensor Circuit Low -- Check the Fuel Pressure Sensor -G247-. FUEL PRESSURE SENSOR, CHECKING  Signal voltage < 0.2 V --- 2 Sec
  • Continuous
  • 2 DCY
P2626 open circuit adjustment voltage (IA) -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • O2S signal front > 4.7 V
  • Modeled exhaust temp, > 380° C
  • Fuel cut off, > 2 Sec
  • 4Sec
  • Continuous
  • 2 DCY
P2629 open circuit adjustment voltage (IA -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • O2S signal front > 4.7 V
  • Modeled exhaust temp, > 380° C
  • Fuel cut off, > 2 Sec
  • 4Sec
  • Continuous
  • 2 DCY

Fuel and air mixture, additional emissions regulations 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P3081 Engine Temperature Too Low -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING . Step 1
  • modeled ECT > 30° C
  • AND ECT < 30° C
  • ---
  • Step 1 passed
 2 Sec
  • Continuous
  • 2 DCY

Control module and output signals 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
U0001 High Speed CAN Communication Bus -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN message, No feedback
  • battery voltage 9...17 V
 .51 Sec
  • Continuous
  • 2 DCY
U0002 High Speed CAN Communication Bus -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . Global time out receiving message
  • battery voltage 9...17 V
 .51 Sec
  • Continuous
  • 2 DCY
U0100 Lost Communication with ECM/PCM A -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • Failure of all CAN engine messages, Time out more than 490 mSec
  • Failure of all CAN engine messages but not all CAN messages, Time out more than 1010 mSec
  • No bus off error
  • No error failure of all CAN messages
  • No error failure of all CAN engine messages
  • Terminal 15 Voltage, > 9 V for more than 500 mSec
  • > 500 mSec after reset
 1 Sec ---
U0101 Lost Communication with TCM -- Check the CAN-Bus terminal resistance, Direct Shift Gearbox (DSG) Mechatronic -J743- to Motronic Engine Control Module (ECM) - J623-. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • Time out check No message received from TCM
  • battery voltage 9...17 V
 0.51Sec
  • Continuous
  • 2 DCY
U0121 CAN / TCU communication error -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . no CAN msg received from TCU
  • battery voltage 9...17 V
 .51 Sec
  • Continuous
  • 2 DCY
U0146 CAN gateway A -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN communication with gateway, time-out --- 0.50 Sec
  • 2 DCY
U0302 Software Incompatibility with Transmission Control Module -- Replace the Direct Shift Gearbox (DSG) Mechatronic -J743-. Refer to appropriate service information.
  • MT vehicle ECM coded as AT vehicle
  • AT vehicle ECM coded as MT vehicle
  • battery voltage 9...17 V
 5 Sec
  • Continuous
  • 2 DCY
U0323 CAN: Instrument cluster Audi only -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . ambient temp value module not encoded for ambient temp sensor, 00h
  • key on
  • status ambient temp from instrument cluster, no fault
 2 Sec
  • multiple
  • 2 DCY
U0402 CAN communication with TCM -- Check the CAN-Bus terminal resistance, Selector Lever -E313- to Motronic Engine Control Module (ECM) - J623- Data length code transmitted, incorrect
  • battery voltage 9...17 V
 0.51 Sec
  • Continuous
  • 2 DCY
U0404 Invalid Data Received From Gear Shift Control Module -- Check the CAN-Bus terminal resistance, Selector Lever -E313- to Motronic Engine Control Module (ECM) - J623-.
  • If the value of message counter is permanent, constant, or change exceeds a threshold, increment an event counter
  • maximum change of message counter > 5
  • No failure of selector lever CAN messages
  • Terminal 15 voltage > 4 V for more than 500 mSec
 50 mSec
  • Continuous
  • 2 DCY
U0415 CAN link to speed sensor out of range -- Check the Engine Speed (RPM) Sensor -G28- Refer to ENGINE SPEED SENSOR, CHECKING 
  • invalid data received from TCU implausible message
  • battery voltage 9...17 V
 0.51 Sec
  • Continuous
  • 2 DCY
U0422 CAN: Instrument cluster -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . ambient temp. value (initialization), Audi, 01h
  • key on
  • status ambient temp from instrument cluster no fault
  • electrical check ambient temp. sensor, no fault
 2.0 Sec
  • multiple
  • 2 DCY
U0447 CAN gateway -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN message, incorrect --- 0.50 Sec
  • Continuous
  • 2 DCY
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