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Engine Control Module -- (2008-2011)

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 <1.9...4.2 °CRK/s
  • Time after engine start, >3...10 Sec.
  • frequency (normal operation), 4 times
  • OR
  • engine speed 920...6000 RPM
 14 Sec
  • multiple
  • 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 voltage, >4.40...5.60 V
  • camshaft valve, off
  • Engine speed, >80 RPM
 0.50 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 . Target error (Stuck position) >6.8...8 ° CRK
  • oil temp. -48.0...143.3° C
  • frequency (normal op.), 4.0 times
  • Time after engine start, >3...10 Sec.
  • OR
  • engine speed 920... 6000RPM
 14 Sec
  • multiple
  • 2 DCY
P0016 Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • permissable deviation, <11.0 Rev
  • OR
  • permissable deviation, >11.0 Rev
 --- 0.5 Sec
  • multiple
  • 2 DCY
P025A Fuel Pump Open circuit -- Check the fuel pump. Refer to FUEL PUMP ELECTRICAL, TESTING . Signal voltage > 4.40...5.60 V
  • Engine speed,> 80 RPM
 0.50 Sec
  • Continuous
  • 2 DCY
P025C Fuel Pump Short to ground -- Check the fuel pump. Refer to FUEL PUMP ELECTRICAL, TESTING . Signal voltage< 2.15...3.25 V
  • Engine speed,> 80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P025D Fuel Pump Short to B+ -- Check the fuel pump. Refer to FUEL PUMP ELECTRICAL, TESTING . Signal current > 1.10 A
  • Engine speed,> 80 RPM
 0.5 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 voltage 2.34-3.59 V
  • Time after engine start, > 5 Sec
  • heater commanded off
 0.50 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 < 2.34 V
  • Time after engine start, >5 Sec
  • heater commanded off
 0.50 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 voltage > 3.59 V
  • Time after engine start, >5 Sec
  • heater commanded on
 0.50 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 BEFORE CATALYTIC CONVERTER, CHECKING . SULEV Heater voltage, 4.50-5.50 V
  • Time after engine start, >5 Sec
  • heater commanded off
 0.50 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 BEFORE CATALYTIC CONVERTER, CHECKING .
  • heater voltage< 3.00
  • engine speed > 80 RPM
  • heater, commanded off
 0.50 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 BEFORE CATALYTIC CONVERTER, CHECKING . heater current 2.70... 5.50 A
  • engine speed, > 80 RPM
  • heater commanded on
 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 BEFORE 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 BEFORE CATALYTIC CONVERTER, CHECKING . Heater current, > 2.70...5.50 A
  • engine speed, >80 RPM
  • heater commanded on
 0.50 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
  • AND
  • RPM controller torque value>= calculated max. value
Out of range-high
  • engine speed deviation >80 RPM
  • AND
  • RPM controller torque value<= calculated min. value
plausibility check
  • integrated deviation of engine speed low and integrated deviation of engine speed high> 2000 RPM
  • engine speed, idle
  • vehicle speed 0 km/h
  • altitude, < 2700 m
  • lambda control, active
  • evap purge adaptation < 22
  • catalyst heating active
  • external torque request not demanded
  • FOR MANUAL TRANSMISSIONS:
  • engine load <20...63%
  • engine speed, idle
  • vehicle speed 0 km/h
  • altitude, < 2700 m
  • lambda control, active
  • evap purge adaptation < 22
  • catalyst heating active
  • external torque request not demanded
  • engine speed, idle
  • vehicle speed 0 km/h
  • altitude, < 2700 m
  • lambda control, active
  • evap purge adaptation < 22
  • catalyst heating active
  • external torque request not demanded
  • 4
  • 4
  • 3
  • multiple
  • 2 DCY
P0068 MAP/MAF - Throttle Position Correlation -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING .
  • plausibility with fuel system load calculation< -50%
  • plausibility with fuel system load calculation> 50%
  • engine speed 960... 5040 RPM
  • lambda control closed loop
  • ECT> 54.8° C
  • IAT< 90° C
  • mass air flow 0.0... 450.0 kg/h
  • engine load 20... 100%
  • ratio manifold pressure to ambient pressure< 0.90
  • evap purge valve closed
  • engine speed 960... 5040 RPM
  • lambda control closed loop
  • ECT> 54.8° C
  • IAT< 90° C
  • mass air flow0.0... 450.0 kg/h
  • engine load20... 100%
  • ratio manifold pressure to ambient pressure< 0.90
  • evap purge valve closed
 30 Sec
  • Continuous
  • 2 DCY
P0087 Fuel Rail/System Pressure - Too Low -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING 
  • pressure control activity, > 5.00 MPa
  • AND
  • fuel trim activity, 0.90... 120
  • engine speed, > 600 RPM
  • evap purge adaptation, < 22.00
  • ECT>= 54.8° C
  • IAT< 90° C
  • fuel cut off, not active
  • lambda control, closed loop
 5 Sec
  • multiple
  • 2 DCY
P0088 Fuel Rail/System Pressure - Too High -- Check the Fuel Pressure Sensor -G247-. Refer to 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-. Refer to FUEL PRESSURE SENSOR, CHECKING . Actual pressure Deviation
  • <100 kPa
  • >100 kPa
  • ECT, > -48° C
  • Time after engine start
 0.5 Sec
  • 2 DCY
P0100 Mass or Volume Air Flow A Circuit -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . MAF sensor signal, 0 u Sec
  • Engine speed > 20 RPM
 0.50 Sec
  • multiple
  • 2 DCY
P0101 Mass or Volume Air Flow A Circuit Range/Performance -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING .
  • mass air flow vs lower threshold model < 0...396kg/h
  • mass air flow vs upper threshold > 34...907kg/h
  • load calculation> 19%
  • AND
  • fuel system (mult.)< -21%
  • load calculation< -19%
  • AND
  • fuel system (mult.)> 21%
  • time after engine start, >150 camshaft revs
  • ratio manifold pressure to ambient pressure< 0.90
  • engine speed 960...5040 RPM
  • ECT> 54.8° C
  • IAT <90.0° C
  • mass air flow 0.0...450kg/h
  • engine load 20...100%
  • lambda control closed loop
  • evap purge valve closed
 2 Sec
  • multiple
  • 2 DCY
P0102 Mass or Volume Air Flow A Circuit Low Input -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . MAF sensor signal, < 66 u Sec
  • Engine speed > 20 RPM
 0.50 Sec
  • multiple
  • 2 DCY
P0103 Mass or Volume Air Flow A Circuit High Input -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . MAF sensor signal, > 4500 u Sec
  • Engine speed > 20 RPM
 0.50 Sec
  • multiple
  • 2 DCY
P0106 Manifold Absolute Pressure/BARO Sensor Range/Performance -- Check the Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING .-- 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 sensor -210 hPa
  • >Altitude sensor +230 hPa
  • Altitude sensor, No DTC
  • Boost pressure sensor, No DTC
  • Engine speed, <1000 RPM
AND
  • Throttle position, <7.01% DK for 3 Sec.
  • Throttle position sensor, No DTC
 1 Sec
  • 2 DCY
P0111 Intake Air Temperature Sensor 1 Rationality check ULEV only -- Check the Intake Air Temperature (IAT) Sensor -G42- Refer to 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 -- Check the Intake Air Temperature (IAT) Sensor -G42- Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING  IAT, > 141.0° C --- 2 Sec
  • multiple
  • 2 DCY
P0113 Intake Air Temperature Sensor 1 Circuit High Input -- Check the Intake Air Temperature (IAT) Sensor -G42- Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING  IAT, <46° C --- 2 Sec
  • multiple
  • 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 OVERVIEW - COOLANT PUMP/THERMOSTAT . Stuck high:
  • diff. ECT vs. IAT at engine start> 25...40° C (depending on engine off time)
  • AND
  • diff. IAT vs. AAT at engine start< 25...40° C (depending on engine off time)
  • AND
  • diff. AAT vs. ECT at engine start> 25...40° C (depending on engine off time)
  • engine off time> 6 H
  • Blockheater ECT @ start< 2° C minus ECT @ condition: time after engine start60.0 Sec
  • solar radiation case 1: AAT @ start<= 5° C minus AAT @ condition: vehicle speed> 40km/h for time> 30.0Sec
  • solar radiation case 2: IAT @ start<= 5° C minus IAT @ condition: vehicle speed> 40km/h for time> 30.0Sec
 0 Sec
  • once/DCY
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance. Only ULEV -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to the appropriate repair information.
  • signal in range109.6 ••• 140.3° C and no change on signal < 1.5 K
  • signal in range50.3... 88.4° C and no change on signal< 1.5 K
  • signal in range88.5... 109.5° C and no change on signal< 1.5 K
 Driving condition L
  • vehicle speed0... 10km/h
  • mass air flow4... 180 kg/h
  • time required /> 25.0 Sec frequency3 times
and driving condition H
  • vehicle speed40... 120
  • mass air flow4... 152 kg/h
  • time required > 40.0 Sec
  • frequencyonce
Driving condition L
  • vehicle speed0... 10
  • mass air flow4... 180[kg/h]
  • time required > 25.0 Sec
  • frequency3times
Driving condition H
  • vehicle speed40... 120 km/h
  • mass air flow4... 152kg/h
  • time required > 40.0 Sec
  • frequencyonce
  • engine off time> 9900 ••• 15600 RPM
  • stuck highfault
  • ECT @ start-40... 140° C
  • driving condition L:
  • vehicle speed0... 10 km/h
  • mass air flow4... 180 kg/h
  • time required > 25.0 Sec
  • frequency3times
  • driving condition H:
  • vehicle speed40... 120 km/h
  • mass air flow4... 152 kg/h
  • time required > 40.0 Sec
  • frequencyonce
 115 Sec
  • Once/DCY
  • 2 DCY
P0117 Engine Coolant Temperature Sensor 1 Circuit Low Input -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to the appropriate repair information. ECT> 140° C --- 2 Sec
  • multiple
  • 2 DCY
P0118 Engine Coolant Temperature Sensor 1 Circuit Open -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to the appropriate repair information. ECT< -40° C --- 2 Sec
  • multiple
  • 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, >6.30 %
  • AND
  • Actual TPS 1 -calc. value, >actual TPS 2 calc. value
  • OR
  • TPS 1 -calc value > 9.00%
  • Engine speed > 480 RPM
 0.3 Sec
  • multiple
  • 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, < 0.20 V --- 0.1 Sec
  • multiple
  • 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, > 4.81 V --- 0.1 Sec
  • multiple
  • 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 active
 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 .
  • VM, < 2 V
  • UN, < 1.50 V
  • IA, < 0.30 V
  • IP < 0.30 V
 --- 10 Sec
  • 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 .
  • VM, > 3.25 V
  • UN, > 4.40 V
  • IA, > 7 V
  • IP > 7 V
 --- 10 Sec
  • 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 . symmetric fault:
  • lower value of both area ratios R2L and L2R< 0.30
  • AND
  • difference of R2L area ratio vs. L2R area ratio-0.400... 0.400
asymmetric fault:
  • lower value of both area ratios R2L and L2R< 0.30
  • AND
  • difference of R2L area ratio vs. L2R area ratioNOT (-0.400...0.400)
general:
  • lower value of both counters for area ratio R2L and L2R>= 5 times
  • O2S front - min. operation temperature is reached> 720° C
  • O2S front - time since operation readiness> 20.0 Sec
  • Engine speed, 1000-40000 RPM
  • gradient of engine load, <= 10.01%
  • engine load15.00... 100.01
  • exhaust system lag time calculation0.1... 0.3 Sec
  • gradient of exhaust system lag time calculation<= 0.1Sec
  • ECT>= 30° C
  • catalyst temperature>= 400° C
  • lambda control set-point prior to diagnostic fuel stepsA/F-Ratio stoichiometric
  • relative fuel amount from wall-applied compensation and evap purge <= 0.2
  • canister load< 22.00
  • time since last measurement> 3.0 Sec
  • 2nd lambda control loopnot active
  • forced lambda oscillationnot active
  • SAInot active
  • tank leakage detectionnot active
  • diagnosis evap purge systemnot active
  • fuel cut off for any cylindersnot active
  • open circuit pump current (IP)ready
only Flex fuel systems without ethanol sensor:
  • ethanol concentration adaptationnot active
 67 Sec
  • Once/DCY
  • 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 ceramic temp.< 715° C
  • AND
  • heater duty cycle100%
  • O2S ceramic temperature, < 715° C
  • AND
  • time after O2S heater on 40 Sec
  • Out of range high:
  • Modeled exhaust gas temp, > 300° C
  • Heater control, Active
  • Rationality check:
  • ECT at start, >0.11° C
  • engine shut-off time >300 Sec
  • (during ECM keep alive-time after ignition off)< 60.0...300.0 Sec
  • 55 Sec
  • 40 Sec
  • multiple
  • 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 .
  • delta voltage one step at heater switching> 2.00 Vand number of heater coupling>= 6 times
  • sensor voltage<= 0.40 V or sensor voltage0.50... 1.26 V
case 2: sensor theoretical ready for operation
  • for time> 12 Sec
  • sensor sufficient heated up if exhaust temperature>= 700° C for time> 18.0 Sec
  • or heater power>= 50% for time> 18.0 Sec
general:
  • dew point exceeded for time> 10.0 Sec
  • heaternot active
 10.24 Sec
  • multiple
  • 2 DCY
P0137 O2 Circuit Low Voltage (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< 0.06 for time> 3.0 Sec
  • AND
  • difference of sensor voltage with load pulse and voltage without load pulse (mean value of 3 measurements)< 0.01 V
 case 1: sensor ready for operation
  • sensor voltage<= 0.40 V
  • OR
  • sensor voltage0.50... 1.26 V
case 2: sensor theoretical ready for operation
  • for time> 12 Sec
  • sensor sufficient heated up if exhaust temperature>= 700° C for time> 18.0 Sec
  • OR
  • heater power>= 50% for time> 18.0
general:
  • dew point exceeded fuel cut offnot active
  • catalyst purgenot active
  • 3 Sec
  • multiple
  • 2 DCY
P0138 O2 Circuit High Voltage (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 >1.26 V for > 5 Sec case 1: sensor ready for operation
  • sensor voltage<= 0.40 V
  • OR
  • sensor voltage 0.50... 1.26 V
case 2: sensor theoretical ready for operation
  • for time> 12 Sec
  • sensor sufficient heated up if exhaust temperature>= 700° C
  • for time> 18.0 Sec
  • OR
  • heater power>= 50%
  • for time> 18.0 Sec
general:
  • dew point exceeded lambda set value> 0, 995
 5.0 Sec
  • multiple
  • 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 .
  • EWMA filtered transient time at fuel cut-off, >0.7 Sec
  • in voltage range, 201....347.7 mV
  • number of checks (initial phase), >3
  • number of checks (step function), >3
  • rich voltage, >=582 mV
  • lean voltage <=191.4 mV
  • O2S rearready
  • rear O2-sensor signal oscillating monitoringready
  • EVAP purge valve diagnosisready
  • fuel cut offactive
  • front O2-Sensor lambda signal> 7.00
  • modeled exhaust gas temp.> 340° C
  • slope of exhaust mass< 50.00
  • rear O2 Sensor internal resistance<= 4600.00Ω
  • OR
  • trigger for step change: delta transient time> 0.7t
 4.5 Sec
  • multiple
  • 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, 40...60 mV for > 3 Sec
  • OR
  • difference of sensor voltage with load pulse and voltage without load pulse (mean value of 3 measurements)>= 2.80 V
 case 1: sensor ready for operation
  • sensor voltage<= 0.40 V
  • OR
  • sensor voltage0.50... 1.26 V
case 2: sensor theoretical ready for operation
  • for time> 12 Sec
  • sensor sufficient heated up if exhaust temperature>= 700° C
  • for time> 18.0 Sec
  • OR
  • heater power>= 50%
  • for time> 18.0 Sec
  • general: dew point exceeded
 200 Sec
  • multiple
  • 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 BEFORE CATALYTIC CONVERTER, CHECKING . Heater resistance, 810...4560 Ω
  • Modeled exhaust gas temp, 250-700° C
  • Engine shutoff time, > 60 Sec.
  • (during ECM keep alive-time after ignition off)< 60.0...300 Sec
  • fuel cut-off not active
  • number of checks10
  • heater commanded on
 15 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
P0169 Incorrect Fuel Composition Quality of fuel is suspect. Higher than allowed levels of alcohol may be present. comparison with fuel quantityincorrect internal engine speed> 1200 RPM 2.08 Sec
  • Continuous
  • 2 DCY
P0171 System Too Lean (Bank 1) -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .-- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, 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
  • lean @ idle Adaptive value >21%
  • lean @ part-load Adaptive value 26(only B8 ULEVVII
  • Engine speed, 560-1200 RPM
  • Engine load, 9.0...45%
  • mass air flow, 5.0...23.0 kg/h
  • ECT, >63.0° C
  • IAT, <90.0° C
  • part load adaptation, ready
  • lambda control, closed loop
  • evap purge valve, closed
  • if low fuel signal then wait until mass fuel integral, > 0.00 kg
  • throttle position, <99.6 Sec
  • Engine speed, 1320-5000 RPM
  • Engine load, 20...100%
  • mass air flow, 27...450 kg/h
  • ECT, >63.0° C
  • IAT, <90.0° C
  • lambda control, closed loop
  • evap purge valve, closed
  • if low fuel signal then wait until mass fuel integral, > 0.00 kg
  • 10 Sec
  • 10 Sec
  • 2 DCY
P0172 System Too Rich (Bank 1) -- Check the fuel pressure --. Refer to FUEL PRESSURE TEST .-- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .-- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, 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
  • too rich at idle Adaptive value <5.02% (<6.0 only B8 ULEV)
  • too rich at part-load Adaptive value <21% (-26(only B8 ULEVVII)
  • Engine speed, 560-1200 RPM
  • Engine load, 9.0...45%
  • mass air flow, 5.0...23.0 kg/h
  • ECT, >63.0° C
  • IAT, <90.0° C
  • part load adaptation, ready
  • lambda control, closed loop
  • evap purge valve, closed
  • if low fuel signal then wait until mass fuel integral, > 0.00 kg
  • throttle position, <99.6 Sec
  • Engine speed, 1320-5000 RPM
  • Engine load, 20...100%
  • mass air flow, 27...450 kg/h
  • ECT, >63.0° C
  • IAT, <90.0° C
  • lambda control, closed loop
  • evap purge valve, closed
  • if low fuel signal then wait until mass fuel integral, > 0.00 kg
  • 10 Sec
  • 10 Sec
  • 2 DCY
P0190 Fuel Rail Pressure Sensor A Circuit -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . Signal voltage > 4.80 V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0191 Fuel Rail Control Valve, high pressure side -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . actual pressure >20.6 MPa
  • 0
  • engine speed, > 0.0 RPM
 3.0 Sec
  • multiple
  • 2 DCY
P0192 Fuel Rail Pressure Sensor A Circuit Low Input -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . Signal voltage <.20 V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0201 Injector Circuit / Open - Cylinder 1 -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
  • Low side signal current <2.10 A
  • internal logicfailure
  • Engine speed, > 80 RPM
  • injection valveswitched on
  • 0.5 Sec
  • Continuous
  • 2 DCY
P0202 Injector Circuit / Open - Cylinder 2 -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
  • Low side signal current <2.10 A
  • internal logicfailure
  • Engine speed, > 80 RPM
  • Engine speed, > 80 RPM
  • injection valveswitched on
  • 0.5 Sec
  • Continuous
  • 2 DCY
P0203 Injector Circuit / Open - Cylinder 3 -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
  • Low side signal current <2.10 A
  • internal logicfailure
  • Engine speed, > 80 RPM
  • Engine speed, > 80 RPM
  • injection valveswitched on
  • 0.5 Sec
  • Continuous
  • 2 DCY
P0204 Injector Circuit / Open - Cylinder 4 -- Check the fuel injectors -N33-. Refer to FUEL INJECTORS, CHECKING .
  • Low side signal current <2.10 A
  • internal logicfailure
  • Engine speed, > 80 RPM
  • Engine speed, > 80 RPM
  • injection valveswitched on
  • 0.5 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, >6.30%
  • AND
  • actual TPS 2- calc value, > actual TPS1 -calc. value
  • OR
  • TPS 2- calc. value, >9.00%
  • Engine speed >480 RPM
 0.3 Sec
  • multiple
  • 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 < 0.20 V --- 0.1 Sec
  • multiple
  • 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, > 4.81 V --- 0.1 Sec
  • multiple
  • 2 DCY
P0234 Turbocharger/Supercharger Overboost Condition Rationality check high -- Check the Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING .-- Check the charge air system for proper seal. Refer to Engine Mechanical, Fuel Injection and Ignition. Charge Air SystemCharge Air System
  • diff. set value boost pressure vs actual boost pressure value, >200...1280 hPa
 Altitude, <2700 m 1.5 Sec
  • multiple
  • 2 DCY
P0236 Turbocharger/Supercharger Boost Sensor A Plausibility check -- Check the Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING .-- Check the charge air system for proper seal. Refer to Engine Mechanical, Fuel Injection and Ignition. Charge Air SystemCharge Air System
  • diff. boost pressure signal vs altitude sensor signal, >220 hPa
  • diff. boost pressure signal vs altitude sensor signal, <120 hPa
  • engine s peed, <1000 RPM
  • throttle position, <11.50%
  • engine s peed, <1000 RPM
  • throttle position, <11.50%
 2 Sec
  • multiple
  • 2 DCY
P0237 Turbocharger/Supercharger Boost Sensor A Circuit Low -- Check the Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING .-- Check the charge air system for proper seal. Refer to appropriate service information. Signal voltage, < 0.20 V engine speed> 80 RPM 0.5 Sec
  • Continuous
  • 2 DCY
P0238 Turbocharger/Supercharger Boost Sensor A Circuit High -- Check the Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING .-- Check the charge air system for proper seal. Refer to appropriate service information. signal voltage> 4.88 engine speed> 80---
0.5 Sec
  • Continuous
  • 2 DCY
P0243 Turbocharger/Supercharger Wastegate Solenoid A -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . 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-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . 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-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . 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-. Refer to FUEL INJECTORS, CHECKING . Signal current <2.10 A
  • Engine speed, > 80 RPM
  • High side signal current, > 4.20 A
 0.5 Sec
  • Continuous
  • 2 DCY
P0262 Cylinder 1 Injector Circuit High -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . Signal current >14.70 A
  • Engine speed, > 80 RPM
  • injection valve, switched on
 0.5 Sec
  • Continuous
  • 2 DCY
P0264 Cylinder 2 Injector Circuit Low -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . Signal current <2.10 A
  • Engine speed, > 80 RPM
  • High side signal current, > 4.20 A
 0.5 Sec
  • Continuous
  • 2 DCY
P0265 Cylinder 2 Injector Circuit High -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . signal current >14.70 A
  • Engine speed, > 80 RPM
  • Injection valve, Commanded on
 0.5 Sec
  • Continuous
  • 2 DCY
P0267 Cylinder 3 Injector Circuit Low -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . Signal current <2.10 A
  • Engine speed, > 80 RPM
  • High side signal current, > 4.20 A
 0.5 Sec
  • Continuous
  • 2 DCY
P0268 Cylinder 3 Injector Circuit High -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . signal current >14.70 A
  • Engine speed, > 80 RPM
  • Injection valve, Commanded on
 0.5 Sec
  • Continuous
  • 2 DCY
P0270 Cylinder 4 Injector Circuit Low -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . Low side signal current <2.10 A
  • Engine speed, > 80 RPM
  • High side signal current, > 4.20 A
 0.5 Sec
  • Continuous
  • 2 DCY
P0271 Cylinder 4 Injector Circuit High -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . signal current >14.70 A
  • Engine speed, > 80 RPM
  • Injection valve, Commanded on
 0.5 Sec
  • Continuous
  • 2 DCY
P0299 Turbocharger/Supercharger Underboost Rationality check low -- Check the charge air system for proper seal. Refer to -- Check the charge air system for proper seal. Refer to Engine Mechanical, Fuel Injection and Ignition. Charge Air SystemCharge Air System
  • 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 200 hPa
  • Boost pressure control, active
  • turbo charger bypass valve, closed
 6 Sec
  • multiple
  • 2 DCY
P0300 crankshaft speed fluctuation (single or multiple) -- 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-. Refer to FUEL INJECTORS, CHECKING .-- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • emission threshold misfire rate (MR)> 1.7%
  • catalyst damage misfire rate (MR)> 5.0...20.0%
  • Engine speed range, 440-6800 RPM
  • Engine torque, >=0 Nm
  • ECT > -11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 1000 Rev.
  • 200 Rev.
  • 2 DCY
  • immediately
P0301 crankshaft speed fluctuation (single or multiple) -- 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-. Refer to FUEL INJECTORS, CHECKING .-- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • emission threshold misfire rate (MR)> 1.7%
  • catalyst damage misfire rate (MR)> 5.0...20.0%
  • Engine speed range, 440-6800 RPM
  • Engine torque, >=0 Nm
  • ECT > -11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 200 Rev.
  • 2 DCY
  • immediately
P0302 crankshaft speed fluctuation (single or multiple) -- 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-. Refer to FUEL INJECTORS, CHECKING .-- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • emission threshold misfire rate (MR)> 1.7%
  • catalyst damage misfire rate (MR)> 5.0...20.0%
  • Engine speed range, 440-6800 RPM
  • Engine torque, >=0 Nm
  • ECT > -11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 200 Rev.
  • 2 DCY
  • immediately
P0303 crankshaft speed fluctuation (single or multiple) -- 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-. Refer to FUEL INJECTORS, CHECKING .-- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • emission threshold misfire rate (MR)> 1.7%
  • catalyst damage misfire rate (MR)> 5.0...20.0%
  • Engine speed range, 440-6800 RPM
  • Engine torque, >=0 Nm
  • ECT > -11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 200 Rev.
  • 2 DCY
  • immediately
P0304 crankshaft speed fluctuation (single or multiple) -- 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-. Refer to FUEL INJECTORS, CHECKING .-- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • emission threshold misfire rate (MR)> 1.7%
  • catalyst damage misfire rate (MR)> 5.0...20.0%
  • Engine speed range, 440-6800 RPM
  • Engine torque, >=0 Nm
  • ECT > -11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 200 Rev.
  • 2 DCY
  • immediately
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
  • multiple"
  • 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
  • multiple"
  • 2 DCY
P0324 Knock Control System Error -- Check theKnock Sensors -G61-. Refer to KNOCK SENSOR 1, CHECKING 
  • signal fault counter (combustion), >24.0
  • OR
  • signal fault counter (measuring window), >2.00
 engine speed, > 2500 RPM
  • 0.5 Sec
  • Continuous
  • 2 DCY
P0327 Knock Sensor 1 Circuit Low Input (Bank 1) Short to ground, Port B -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  Lower threshold, <0.70 V
  • Engine speed, > 1000 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0327 Knock Sensor 1 Circuit Short to ground, Port A -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  Lower threshold, <0.70 V
  • Engine speed, > 1000 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0327 Knock Sensor 1 Circuit signal range check -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  Lower threshold, <0.70 V
  • Engine speed, > 1000 RPM
  • ECT >40° C
  • engine load, >23.734...55.172%
 ---
  • Continuous
  • 2 DCY
P0328 Knock Sensor 1 Circuit signal range check (Bank 1) -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  upper threshold > 18.0...150.0V
  • Engine speed, > 2000 RPM
  • ECT, > 41° C
  • Engine load, > 35.3...60.0%
 0.5 Sec
  • 2 DCY
P0328 Knock Sensor 1 Circuit short to B+ Port B (Bank 1) -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  upper threshold >1.00 V engine speed >1000 RPM 0.5 Sec
  • Continuous
  • 2 DCY
P0328 Knock Sensor 1 Circuit short to B+ Port A (Bank 1) -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  upper threshold >1.00 V engine speed >1000 RPM 0.5 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 . Cam adaption values out of range
  • >20 ° KW
  • <-20 ° KW
  • Difference of adapted and actual values >9° KW
  • Engine speed sensor, No DTC
  • Phase sensor, No DTC
  • Cam adaptation, Active
  • Engine speed sensor, No DTC
  • Phase sensor, No DTC
  • Camshaft adjustment, No DTC
  • Engine start, Completed
  • Cam adaptation, Completed
  • Camshaft in ref pos. for >2 sec.
 2 Sec
  • 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 . signal pattern, incorrect ---- 0.50 Sec
  • 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 high and crankshaft signals, 8.0
 --- 0.50 Sec
  • 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, < -0.25...2.00 mA
  • OR
  • Internal check, failed
  • Engine speed, >680 RPM
 0.5 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, < -0.25...2.00 mA
  • OR
  • Internal check, failed
  • Engine speed, >680 RPM
 0.5 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, < -0.25...2.00 mA
  • OR
  • Internal check, failed
  • Engine speed, >680 RPM
 0.5 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, < -0.25...2.00 mA
  • OR
  • Internal check, failed
  • Engine speed, >680 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0410 system check after SAI PZEV only Check the Secondary Air System. Refer to CATALYTIC CONVERTER, CHECKING  deviation SAI pressure, >20.0 hPa
  • mass air flow, 7...150kg/h
  • Delta engine load, -10...10% rev
  • ECT, 5...39.8° C
  • IAT, 5...40° C
  • altitude, <2700 m
  • SAI pressure sensor, ready no fault.
 10 Sec
  • Once/DCY
  • 2 DCY
P0413 open circuit PZEV only Check the Secondary Air System. Refer to CATALYTIC CONVERTER, CHECKING  signal voltage, 9.25...11.25 V
  • air valve, commanded off
  • engine speed, >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0414 short to ground PZEV only Check the Secondary Air System. Refer to CATALYTIC CONVERTER, CHECKING  signal voltage <6.00 V
  • air valve, commanded off
  • engine speed, >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0415 short to B+ PZEV only Check the Secondary Air System. Refer to CATALYTIC CONVERTER, CHECKING  signal current 2.20...4.20 A
  • air valve, commanded on
  • engine speed, >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0418 Air pump relay. Open circuit. PZEV only Check the Secondary Air System. Refer to CATALYTIC CONVERTER, CHECKING  signal voltage 4.50...5.50 V
  • pump relay commanded off
  • engine speed, >80 RPM
 0.50 Sec
  • Continuous
  • 2 DCY
P0420 Catalyst System (front) Efficiency Below Threshold (Bank 1) PZEV only -- 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 .
  • measured OSC / OSC of borderline catalyst value for front catalyst, <0.40
  • OR
  • value for front catalyst, <1.30
  • AND
  • value for main catalyst, <1.20
  • Time after engine start, > 0 Sec.
  • Delta exhaust mass airflow, < 27.1 kg/h
  • exhaust gas mass flow, lower range, 25.0...80.0 kg/h
  • exhaust gas mass flow, upper range, 60.0...160.0 kg/h
  • modeled exhaust gas temp. in catalyst system, lower range, 490...660° C
  • modeled exhaust gas temp in catalyst system, upper range, 640...780° C
  • Engine speed, 1200-3520 RPM
  • number of checks, 4
  • O2S front, ready no fault
  • O2S rear, ready no fault
  • SAS not active
  • no misfire
 50 Sec
  • Once/DCY
  • 2 DCY
P0420 Catalyst System (main) Efficiency Below Threshold (Bank 1) PZEV only -- 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 .
  • measured OSC / OSC of borderline catalyst value for main catalyst, <0.90
  • WHILE
  • value for front catalyst, <2.00
  • Time after engine start, > 80 Sec.
  • Delta exhaust mass airflow, < 30.0 kg/h
  • exhaust gas mass flow, lower range, 25.0...80.0 kg/h
  • exhaust gas mass flow, upper range, 60.0...160.0 kg/h
  • modeled exhaust gas temp. in catalyst system, lower range, 435...660° C
  • modeled exhaust gas temp in catalyst system, upper range, 530...740° C
  • Engine speed, 1200-3520 RPM
  • number of checks, 4
  • O2S front, ready no fault
  • O2S rear, ready no fault
  • SAS not active
  • no misfire
 50 Sec
  • Once/DCY
  • 2 DCY
P0420 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 . measured OSC / OSC of borderline catalyst. EWMA filter value for catalyst, <.20
  • Time after engine start, > 2.2 Sec.
  • Delta exhaust mass airflow, < 30.0 kg/h
  • exhaust gas mass flow, lower range, 23.0...85.0 kg/h
  • exhaust gas mass flow, upper range, 60.0...130.0 kg/h
  • modeled exhaust gas temp. in catalyst system, lower range, 500...710° C
  • modeled exhaust gas temp in catalyst system, upper range, 660...800° C
  • Engine speed, 1200-3600 RPM
  • number of checks, 6
  • O2S front, ready no fault
  • O2S rear, ready no fault
  • SAS not active
  • no misfire
 50 Sec
  • Once/DCY
  • 1 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.079% lambda controller AND < 35% idle controller deviation
  • evap purge flow integral,> 60...150g
  • OR
  • integrated air mass, 5500...8016kg
  • Engine speed, Idle RPM
  • Engine speed Deviation, < 80 RPM
  • ECT, >55° C or Substitute ECT, >80 °C
  • IAT, > 4° C
  • Altitude, <2700 m
  • lambda control, closed loop
 22 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 < 1.55...1.75 Sec.
  • Time after engine start> 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • engine off time, >21600 Sec
  • ambient air temp 4...59° C
  • ambient air temp drop after engine start, < 8 K
  • Intake manifold vacuum, > 2560 hPa
  • Altitude, < 2700 m
  • Vehicle speed, > 40 km/h once Selected gear, Any drive
  • restart temp difference, >0.0 K
  • Evap purge valveclosed
  • LDP, Activated
  • Delta ambient pressure, < 2.5 hPa
  • delta vehicle speed not >150 km/h
 150.4 Sec
  • Once DCY
  • 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 voltage> 4.40... 5.40 V
  • EVAP purge valve, Commanded off
  • Engine speed, > 80 RPM
 0.5 Sec
  • 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 < 0.95 Sec.
  • Time after engine start> 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • engine off time, >21600 Sec
  • ambient air temp 4...59° C
  • ambient air temp drop after engine start, < 12 K
  • Intake manifold vacuum, > 2560 hPa
  • Altitude, < 2700 m
  • Vehicle speed, > 40 km/h once Selected gear, Any drive
  • restart temp difference, >0.0 K
  • Evap purge valveclosed
  • LDP, Activated
  • Delta ambient pressure, < 2.50 hPa
  • delta vehicle speed not >150 km/h
 120 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 .
  • <5.0 -6.5 Sec.
  • Time after engine start> 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • engine off time, >21600 Sec
  • ambient air temp 4...59° C
  • ambient air temp drop after engine start, < 5 K
  • Intake manifold vacuum, > 2560 hPa
  • Altitude, < 2700 m
  • Vehicle speed, > 40 km/h once Selected gear, Any drive
  • restart temp difference, >0.0 K
  • Evap purge valveclosed
  • LDP, Activated
  • Delta ambient pressure, < 2.5 hPa
  • delta vehicle speed not >150 km/h
  • vehicle acceleration< 3.50 m/s2
  • delta engine load< 767.98 %/seg
 180 Sec
  • 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. PZEV only Check the Secondary Air System. Refer to CATALYTIC CONVERTER, CHECKING  SAI pressure measured with SAI pressure sensor vs modeled < 0.6 (0.62) %
  • mass air flow, 7...150kg/h
  • Delta engine load, -10...10% rev
  • ECT, 5...60° C
  • IAT, 5...40° C
  • altitude, <2700 m
  • SAI pressure sensor, ready no fault.
 18.5 Sec
  • Once/DCY
  • 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
  • AND
  • RPM controller torque value>= calculated max. value
  • integrated deviation of engine speed low and integrated deviation of engine speed high> 2000 RPM
  • driver torque demand, none
  • Vehicle speed, 0 MPH
  • engine speed idle
  • Altitude, < 2700 m
  • evap purge adaptation< 22.00
  • external torque request, not demanded
  • lambda controlactive
 3 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
  • AND
  • RPM controller torque value<= calculated min. value
  • external torque demand, none
  • engine speed 0 RPM
  • Vehicle speed, 0 MPH
  • Altitude, < 2700 m
  • evap purge adaptation< 22.00
  • lambda controlactive
 7 Sec
  • multiple
  • 2 DCY
P050B Cold Start Idle Air Control System Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . difference between commanded spark timing vs. actual value> 0.25%
  • time during catalyst heating> 13 Sec
  • commanded spark retard during catalyst heating< 70%
  • catalyst heating active
  • 0.5 Sec
  • once/DCY
  • 2 DCY
P052A VVT Actuator Intake -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . difference between target position vs. actual position > 12.0 °CRK
  • time after engine start>= 15.0 Sec
  • modeled oil temperature>= -13° C
  • catalyst heatingactive
 3.5 Sec
  • Once/DCY
  • 2 DCY
P053F Fuel Rail Control Valve, high pressure side -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • time after engine start12.0 Sec
  • fuel cut offnot active
  • catalyst heatingactive
 3.5 Sec
  • multiple
  • 2 DCY
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 --- ---
  • 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. Write ability check, failed --- ---
  • Continuous
  • 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 CAN: Internal Fault -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information. RAM errormemory checksum error initialization phase time after ignition on500 mSec 0 mSec
  • Once/DCY
  • 2 DCY
P0606 ECM Processor -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information.
  • function monitoring: WDAgeneral causefailure
  • function monitoring: WDAinternal checkfailure
  • function monitoring: WDAovervoltage detectionfailure
  • EEPROM checkcheckfailed
  • internal hardware check (electrical adjustment communication, voltage supply)check
 ---
  • 0.5 Sec
  • Continuous
  • 2 DCY
P0606 ECM: 5V Supply Voltage -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information.
  • internal hardware checkunder-/ overvoltage detection
 ---
  • 0.5 Sec
  • Continuous
  • 2 DCY
P0606 ECM: A/D converter -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information.
  • power-up calibration checkfailed
  • adc-cannel conversioncheckfailed
  • initialization phaseactive
  • power-up calibrationexecuted
  • 0.5 Sec
  • Continuous
  • 2 DCY
P0606 ECM: A/D converter 2 -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to appropriate service information.
  • power-up calibration checkfailed
  • adc-cannel conversioncheckfailed
  • initialization phaseactive
  • power-up calibrationexecuted
  • 0.5 Sec
  • Continuous
  • 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:
  • Time to close to reference point > 0.6 Sec.
  • AND
  • reference point, 2.88%
Rationality check:
  • time to open over reference point> 0.1 Sec
  • OR
  • time to close below reference point> 0.6 Sec
signal range check @ mechanical stop low
  • TPS 1 signal voltageNOT (0.40...0.80) V
  • OR
  • TPS 2 signal voltageNOT (4.20...4.60)
 Case 1:
  • Ignition, on
  • Engine speed, 0 RPM
  • IAT, >5° C
  • Vehicle speed, 0 km/h
  • ECT, >5° C
Case 2:
  • engine shut-off-time0.5 Sec
  • Ignition, on
  • Engine speed, <= 300 RPM
  • IAT, >5...143° C
  • Vehicle speed, <= 0 km/h
  • ECT, >5...115° C
  • Ignition, on
  • Engine speed, <= 300 RPM
  • IAT, >5...143° C
  • Vehicle speed, <= 0 km/h
  • ECT, >5...115° C
 5 Sec
  • multiple
  • 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, < 4.6-5 V Threshold values depending on internal 5 V rev voltage 0.5 Sec
  • 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 >4.99-5.41 V Threshold values depending on internal 5 V rev voltage 0.5 Sec
  • 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, < 4.6-5 V Threshold values depending on internal 5 V rev voltage 0.5 Sec
  • 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 >4.99-5.41 V Threshold values depending on internal 5 V rev voltage 0.5 Sec
  • 2 DCY
P0657 Actuator Supply Voltage A Circuit / Open -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING . Signal voltage, 4.40...5.60 V
  • Relay, commanded off
  • Engine speed, > 80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0658 Actuator Supply Voltage A Circuit Low -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING . Signal voltage, < 2.15...3.25 V
  • Relay, commanded off
  • Engine speed, > 80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0659 Actuator Supply Voltage "A" Circuit High -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING . Signal current >1.10 A
  • Relay, commanded on
  • Engine speed, >80 RPM
 0.5 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 VOLTAGE SUPPLY, 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 VOLTAGE SUPPLY, 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
P0687 ECM/PCM Power Relay Control Circuit High -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING .
  • Signal current, >1.4-0.7 A
  • Sense circuit voltage, <6 V
  • Main relay, Commanded on
  • ECM keep alive time main relay, Commanded on (Test pulse)
 0.5 Sec
  • 2 DCY
P0688 ECM/PCM Power Relay Sense Circuit -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, 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
P062B Injection Valves Communication -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . internal logicfailure engine speed> 80 RPM 0.5 Sec
  • Continuous
  • 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-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • pressure control activity, > 0.25 MPa
  • AND
  • fuel trim activity, < 0.85
  • engine speed > 1000....4000 RPM
  • engine load58.01... 1535.98%
  • ECT>= 54.8° C
  • IAT< 90° C
  • evap purge adaptation < 22.00
  • lambda control closed loop
  • fuel cut off not active
  • 5 Sec
  • multiple
  • 2 DCY
P12A2 Fuel Rail Pressure Sensor Inappropriately High -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • pressure control activity, > 0.25 MPa
  • AND
  • fuel trim activity, < 0.85
  • engine speed > 600....900 RPM
  • engine load 10.01... 1535.98%
  • ECT>= 54.8° C
  • IAT< 90° C
  • evap purge adaptation < 22.00
  • lambda control closed loop
  • fuel cut off not active
  • 5 Sec
  • multiple
  • 2 DCY
P12A4 Fuel Rail Pump Control Valve Stuck Closed -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • pressure control activity, <6.00 MPa
  • AND
  • fuel trim activity, 0.85...1.15
  • engine speed > 600 RPM
  • evap purge adaptation < 22.00
  • ECT>= 54.8° C
  • IAT< 90° C
  • lambda control closed loop
  • fuel cut off not active
 5 Sec
  • multiple
  • 2 DCY
P13EA ignition timing monitor -- Check the Ignition Coils with Power Output Stage -N70-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING . difference between commanded spark timing vs. actual value> 0.60%
  • time during catalyst heating> 13Sec
  • commanded spark retard during catalyst heating< 80%
  • catalyst heating active
  • 0.5 Sec
  • once/DCY
  • 2 DCY
P150A Engine-Off-Time Check ALL power and grounds to the ECM. The ECM must have a power supply when the key is off to run the timer and system checks. If OK, replace the ECM. comparison of engine off time from instrument cluster control unit with engine after run time.
  • difference between engine-off-time and ECM after-run time< -12.0 Sec
comparison of engine off time from instrument cluster control unit with engine after run time
  • difference between engine-off-time and ECM after-run time> 12.0 Sec
  • key-on after ECM after-run timeactive
  • CANactive
  • key-on during ECM after-run timeactive
  • CANactive
  • 6 Sec
  • once/DCY
  • 2 DCY
P2004 Intake Manifold Runner Control Stuck Open Bank 1 -- Check the Intake Flap Motor -V157- /Intake Manifold Runner Position Sensor -G336-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING .
  • 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-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING .
  • 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-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING .
  • 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-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING .
  • 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-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING . 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-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING .
  • Deviation runner flap position vs actual position >25 %
  • flapcommanded on
  • adaptationready
  • 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-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING . 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, <2.15...3.25 V
  • camshaft valve off
  • Engine speed, >80 RPM
 0.50 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, >2.20 A
  • camshaft valve on
  • Engine speed, >80 RPM
 0.50 Sec
  • Continuous
  • 2 DCY
P2096 Post Catalyst Fuel Trim System Too Lean 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 . I-portion of 2nd lambda control loop < 0.030
  • modeled exhaust gas temp., 450.00... 880.00° C
  • exhaust gas mass flow, 18.00... 200.00 kg/h
  • lambda control, closed loop
  • lambda control, not at min or max limit
  • 2nd lambda control, closed loop
  • O2S front, ready, no fault
  • O2S rear, ready, no fault
  • O2S heater front, active
  • O2S heater rear, active
  • fuel cut off, not active
  • catalyst heating, not active
  • SAI, not active
 140 Sec
  • multiple
  • 2 DCY
P2097 Post Catalyst Fuel Trim System Too Rich 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 . I-portion of 2nd lambda control loop > 0.030
  • modeled exhaust gas temp., 450.00... 880.00° C
  • exhaust gas mass flow, 18.00... 200.00 kg/h
  • lambda control, closed loop
  • lambda control, not at min or max limit
  • 2nd lambda control, closed loop
  • O2S front, ready, no fault
  • O2S rear, ready, no fault
  • O2S heater front, active
  • O2S heater rear, active
  • fuel cut off, not active
  • catalyst heating, not active
  • SAI, not active
 140 Sec
  • multiple
  • 2 DCY
P2101 Throttle Actuator Control Motor Circuit Range/Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Duty cycle >80%
  • AND
  • ECM power stage, no failure
  • deviation throttle valve angles vs calculated value, 4.0...50.0%
 ---
  • 5 Sec
  • 5 Sec
  • multiple
  • 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
 --- 0.2 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 < 0.646 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 < 0.276 V --- 0.20 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 >2.431 V --- 0.20 Sec
  • Continuous
  • 2 DCY
P2138 Throttle/Pedal Position Sensor/Switch D / E Voltage Correlation -- 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 sensor 1 vs 2, > 0.143...0.703 V
  • signal voltage sensor 1, > 445.0 mV
  • signal voltage sensor 2, > 445.0 mV
  • 0.24 Sec
  • Continuous
  • 2 DCY
P2146 Fuel Injector Group A Supply Voltage Circuit / short to ground -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . short to ground (high side)
  • Signal current, >14.90 A
short to battery plus (high side)
  • signal current< 2.60 A
  • Engine speed >80 RPM
  • Engine speed >80 RPM
  • low side signal current> 2.70A
 0.5 Sec
  • Continuous
  • 2 DCY
P2149 Fuel Injector Group B Supply Voltage Circuit / Short to ground -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . short to ground (high side)
  • Signal current, >14.90 A
short to battery plus (high side)
  • signal current< 2.60 A
  • Engine speed >80 RPM
  • Engine speed >80 RPM
  • low side signal current> 2.70A
 0.5 Sec
  • Continuous
  • 2 DCY
P2177 Fuel System -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . system too lean @ part load
  • adaptive value> 26 %
  • engine speed 960... 5040 RPM
  • engine load 20... 100%
  • mass air flow 27... 450kg/h
  • air flow ECT > 54.8°C
  • IAT < 90[°C]
  • lambda control closed loop
  • evap purge valve closed
  • if low fuel signal then wait until fuel consumption > 0.0
 10 Sec
  • multiple
  • 2 DCY
P2178 Fuel System -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . system too rich @ part load
  • adaptive value< 26%
  • engine speed 960... 5040 RPM
  • engine load 20... 100%
  • mass air flow 27... 450kg/h
  • air flow ECT > 54.8°C
  • IAT < 90[°C]
  • lambda control closed loop
  • evap purge valve closed
  • if low fuel signal then wait until fuel consumption > 0.0
 10 Sec
  • multiple
  • 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..        
P2187 Fuel System -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . system too lean @ idle
  • adaptive value> 5.02%
  • engine speed< 520...960 RPM
  • engine load< 9...45 %
  • mass air flow< 5...23 kg/h
  • ECT> 54.8° C
  • IAT< 90° C
  • delta part load adaptationready
  • lambda controlclosed loop
  • evap purge valveclosed
  • if low fuel signal then wait until fuel consumption> 0
 10 Sec
  • multiple
  • 2 DCY
P2188 Fuel System -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . system too rich @ idle
  • adaptive value< 6.0%
  • engine speed< 520...960 RPM
  • engine load< 9...45 %
  • mass air flow< 5...23 kg/h
  • ECT> 54.8° C
  • IAT< 90° C
  • delta part load adaptationready
  • lambda controlclosed loop
  • evap purge valveclosed
 10 Sec
  • multiple
  • 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..
  • cooling system temp too low after a sufficient air mass flow interval, 55...80° C
  • begin of mass integration when engine temp, >30° C
  • ECT at start, -6.7...64° C
  • ambient air temp, > -6.7° C
  • fuel cut-off not active
  • delta ambient pressure, <1.5 hPa
  • integrated air mass depending on engine temp at start and ambient air temp, 4.5...15 kg/h
  • accumulated fuel cut-off time, <40...250 Sec
  • average vehicle speed, 33.4...120 km/h
 1000 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 .
  • delta lambda of 2nd lambda control loop, >0.070
  • modeled exhaust gas temp., 450.00... 880.00° C
  • exhaust gas mass flow, 18... 200 kg/h
  • lambda control, closed loop
  • 2nd lambda control, closed loop
  • O2S front, ready, no fault
  • O2S rear, ready, no fault
  • O2S heater front, ready, no fault
  • O2S heater rear, ready, no fault
  • fuel cut off, not active
  • catalyst heating, not active
  • SAI, not active
  • Case 1: 1st lambda control loop, not at min or max limit
  • 2nd lambda control loop, active
  • Case 2: 1st lambda control loopat min limit.
  • O2S front< 1.0
  • O2S rear voltage< 0.4 V
  • Case 3: 1st lambda control loopat max limit
  • O2S front> 1.0
  • O2S rear voltage> 0.6 V
  • 140 Sec
  • multiple
  • 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 .
  • delta lambda of 2nd lambda control loop, < 0.07
  • modeled exhaust gas temp., 450.00... 880.00° C
  • exhaust gas mass flow, 18... 200 kg/h
  • lambda control, closed loop
  • 2nd lambda control, closed loop
  • O2S front, ready, no fault
  • O2S rear, ready, no fault
  • O2S heater front, ready, no fault
  • O2S heater rear, ready, no fault
  • fuel cut off, not active
  • catalyst heating, not active
  • SAI, not active
  • Case 1: 1st lambda control loop, not at min or max limit
  • 2nd lambda control loop, active
  • Case 2: 1st lambda control loopat min limit.
  • O2S front< 1.0
  • O2S rear voltage< 0.4 V
  • Case 3: 1st lambda control loopat max limit
  • O2S front> 1.0
  • O2S rear voltage> 0.6 V
  • 140 Sec
  • multiple
  • 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 .
  • lambda set value< 0.97
  • OR
  • O2S signal front1.49... 1.51 and lambda set value> 1.03 V
  • O2S signal front< 1.70 V and fuel cut off > 3.00 Sec
  • O2S signal front1.49... 1.51 V and delta lambda controller> 0.10
  • O2S ceramic temp, >715° C
  • Lambda control, Closed loop
  • Mass air integral, > 0.8 kg
  • lambda set value, 0.97...1.03
  • O2S ceramic temp, >715 °C
  • electrical adjustment, not active
  • heater control, closed loop
  • EVAP purge valve, ready no fault
  • O2S ceramic temp, >715° C
  • Lambda modulation >0.02
  • Lambda control, Closed loop
  • heater control, active
  • O2S ceramic temp.> 715° C
  • lambda modulation> 0.01
  • lambda controlclosed loop
  • heater controlclosed loop
  • 8 Sec
  • multiple
  • 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 .
  • O2S signal front > 3.25 V and Internal resistance > 1000 Ω
  • O2S signal front < 0.30 V And Internal resistance > 1000 Ω
  • Heater control, active sec.
 20 Sec
  • multiple
  • 2 DCY
P2257 Air pump relay. short to grnd. PZEV only Check the Secondary Air System. Refer to CATALYTIC CONVERTER, CHECKING  signal voltage <3.00 V
  • pump relay commanded off
  • engine speed >80 RPM
 2 Sec
  • Continuous
  • 2 DCY
P2258 Air pump relay. sort to B+. PZEV only Check the Secondary Air System. Refer to CATALYTIC CONVERTER, CHECKING  signal current 0.60...1.20 A
  • pump relay commanded on
  • engine speed >80 RPM
 2 Sec
  • Continuous
  • 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 . O2S signal rear not oscillating at reference< 603...649mV
  • mass air flow, >25kg/h
  • O2S rear readiness,>10 Sec
  • modeled exhaust gas temp. >350° C
 100 Sec
  • 2 DCY
P2279 Intake air system leak -- Check the Intake Air Temperature (IAT) Sensor -G42- Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING 
  • threshold to detect a defective system >1.45
  • AND
  • ratio of the tie system defective during the measurement window to the whole duration of the measurement window >0.60
  • time after engine start >60.0 Sec
  • engine load < 40.1%
  • mass air flow < 6553.50 kg/h
  • ECT > 50° C
  • lambda control value < 5%
  • lambda set value 0.95...1.05
  • vehicle speed < 1 km/h
  • lambda control active
  • engine speed idle
  • altitude < 2700m
  • O2S front no fault
  • number of checks 4
 16 Sec
  • multiple
  • 2 DCY
P2293 Fuel Pressure Regulator 2 Performance -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • difference between target pressure vs. actual pressure, >1.50 MPa
  • difference between target pressure vs. actual pressure, < -1.50 MPa
  • time after engine start, 12.0 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-. Refer to FUEL PRESSURE SENSOR, CHECKING . Signal voltage 1.40 - 3.20 V
  • Fuel control valve, commanded off
  • Fuel pump, Commanded on
 0.5 Sec
  • continuous
  • 2 DCY
P2294 Fuel Pressure Regulator 2 Control Circuit Rationality check -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . signal pattern incorrect
  • Fuel Control Valve, Commanded off
 1 Sec
  • multiple
  • 2 DCY
P2295 Fuel Pressure Regulator 2 Control Circuit Low short to ground -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . < 1.40...3.20 V
  • Fuel Control Valve, Commanded off
 0.5 Sec
  • continuous
  • 2 DCY
P2296 Fuel Pressure Regulator 2 Control Circuit High -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . Signal voltage >3.20 V
  • Fuel Control Valve, Commanded on
 0.5 Sec
  • continuous
  • 2 DCY
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
P2400 Evaporative Emission System Leak Detection Pump Control Circuit/Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Signal voltage > 4.40... 5.60 V
  • Pump, Commanded off
  • Engine speed, >80 RPM
 0.5 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 < 2.15-3.25 V
  • Pump, Commanded off
  • Engine speed, >80 RPM
 0.5 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 > 3.0 A
  • Pump, Commanded on
  • Engine speed, >80 RPM
 0.5 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 > 0.5 Sec
  • Time after engine start 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • engine off time, >21600 Sec
  • ambient air temp 4...59° C
  • Altitude, < 2700 m
  • integrated purge flow, >12.g
  • restart temp difference, >0.0 K
  • Vehicle speed, > 40 km/h once Selected gear, Any drive
  • Evap purge valve, ready no fault
  • LDP, commanded off
 0 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 > 12 Sec
  • AND
  • number of checks, 30.0
AND
  • cumulative time of high signal voltage during pumping > 50 Sec
  • Time after engine start 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • engine off time, >21600 Sec
  • ambient air temp 4...59° C
  • Altitude, < 2700 m
  • intake manifold vacuum, > 2560hPa
  • restart temp difference, >0.0 K
  • Vehicle speed, > 40 km/h once Selected gear, Any drive
  • Evap purge valve, closed, ready, no fault
  • LDP, commanded on
  • 171.9 Sec
  • 12 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 . Threshold 1
  • Signal voltage 3.10...4.81 V
Threshold 2
  • Signal Voltage 2.5...3.10 V
  • lambda set value, 1.6
  • O2S ceramic temp.,> 715.00° C
  • fuel cut off, not active
  • heater control, closed loop
  • SAI, not active
  • if low fuel signal then wait, > 600.00 Sec
  • 15 Sec
  • multiple
  • 2 DCY
P2431 rationality check Check the Secondary Air System. Refer to appropriate service information. difference between SAI pressure and ambient pressure, NOT -25.0...25.00 hPa --- 0.50 Sec
  • Once/DCY
  • 2 DCY
P2432 signal range check Check the Secondary Air System. Refer to appropriate service information. signal voltage, <.40 V --- 0.50 Sec
  • Continuous
  • 2 DCY
P2433 signal range check Check the Secondary Air System. Refer to appropriate service information. signal voltage, >4.65 V --- 0.50 Sec
  • Continuous
  • 2 DCY
P2440 system check after SAI PZEV only Check the Secondary Air System. Refer to appropriate service information. SAI pressure meadured with SAI pressure sensor vs modeled while SAI valve closed. <0.55%
  • ECT, 5...39° C
  • IAT, 5...40° C
  • altitude, <2700m
  • SAI pressure sensor, ready no fault
    
P2539 Low Pressure Fuel System Sensor Circuit -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . Signal voltage > 4.9 V --- 1 Sec
  • 2 DCY
P2540 Low Pressure Fuel System Sensor Circuit Range/Performance -- Check the Fuel Pressure Sensor -G247-. Refer to 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-. Refer to FUEL PRESSURE SENSOR, CHECKING . Signal voltage < 0.2 V --- 1 Sec
  • 2 DCY
P2626 O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • O2S signal front> 4.81 V
  • Modeled exhaust temp, <750° C
  • O2S ceramic temp, >715° C
  • Fuel cut off, Active
  • heater control, closed loop
  • if low fuel signal, then wait, > 600 Sec
  • 2.0 Sec
  • multiple
  • 2 DCY
P3081 Engine Temperature Too Low -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING . reference model temperature - measured engine coolant temp. > 10[K] ECT < 60° C 4 Sec
  • multiple
  • 2 DCY
U0001 High Speed CAN Communication Bus -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN message, No feedback
  • time after ignition on, 500 mSec
 250 mSec
  • 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
  • time after ignition on, 500 mSec
 450 mSec
  • 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 . CAN communication with TCM
  • Time out check No message received by ECM
  • time after ignition on, 500 mSec
 500 mSec
  • continuous
  • 2 DCY
U0121 CAN ABS brake unit -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN communication with brake unit, time-out
  • time after ignition on, 500mSec
 440 mSec
  • 2 DCY
U0140 CAN communication with Body Control Modul -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . received CAN message-no message time after ignition on500 mSec 1000 mSec
  • 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 time after ignition on500 mSec 1000 mSec
  • 2 DCY
U0155 CAN: Instrument Cluster -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . received CAN message-no message time after ignition on500 mSec 500 mSec
  • continuous
  • 2 DCY
U0302 Software Incompatibility with Transmission Control Module -- Replace the Direct Shift Gearbox (DSG) Mechatronic -J743-. Refer to appropriate service information. AT vehicle ECM coded as MT vehicle
  • time after ignition on, 500 mSec
 100 mSec
  • 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
  • time after ignition on, 500 mSec
 300 mSec
  • 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 Refer to Service information, ABS System. vehicle speed > 325km/h time after ignition on500 mSec 60 mSec
  • Continuous
  • 2 DCY
U0415 CAN: Vehicle Speed Sensor -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .-- Check vehicle speed signal. Refer to SPEED SIGNAL, CHECKING .
  • speed sensor signal: initialization error, 655.34km/h
  • speed sensor signal: low voltage error655.33km/h
  • speed sensor signal: sensor error655.35km/h
  • vehicle speed>= 325km/h
  
  • 1980 mSec
  • 1980 mSec
  • 480 mSec
  • 2100 mSec
  • 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
 3.0 Sec
  • multiple
  • 2 DCY
U0423 CAN: Instrument Cluster -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . received CAN messageimplausible message time after ignition on500 mSec 500 mSec
  • Continuous
  • 2 DCY
U0447 CAN gateway -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN message, incorrect time after ignition on500 mSec 300 mSec
  • Continuous
  • 2 DCY
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