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DTC Tables

Fuel, air mixture, and additional emissions regulations 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P000A Intake (A) Camshaft Position Slow Response Bank 1 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING .
  • difference between target position vs. actual position> 8.00°CRK
  • for time> 1.3...2.9 Sec
  • adjustment angle>= 2.50 °CRK
  • time after engine start> 3.0...10.0 Sec
  • engine speed 920...6000
  • frequency (normal operation) 4 times
 14 Sec
  • multiple
  • 2 DCY
P008A Fuel pressure out of range -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . actual pressure < 0.08 MPa --- 5 Sec
  • Continuous
  • 2 DCY
P008B Fuel pressure out of range -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . actual pressure > 0.08 MPa --- 5 Sec
  • Continuous
  • 2 DCY
P0010 Intake (A) Camshaft Position Actuator Circuit / Open (Bank 1) -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING . Signal voltage, > 4.70...5.40 V
  • camshaft valve, off
  • Engine speed, >80 RPM
 0.5 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, CHECKING .
  • difference between target position vs. actual position> 8.00°CRK
  • for time> 1.3...2.9 Sec
  • adjustment angle< 2.50 °CRK
  • time after engine start> 3.0...10.0 Sec
  • engine speed 920...6000
  • frequency (normal operation) 4 times
 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 .
  • permissible deviation< -11.0° CRK
  • OR
  • permissible deviation> 11.0° CRK
 --- 2 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
 0.5 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 4.7...5.4 V
  • time after engine start> 5 Sec
  • heater commanded off
 0.5 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 0.0...3.26 V
  • time after engine start> 5 Sec
  • heater commanded off
 0.5 Sec
  • Continuous
  • 2 DCY
P0032 HO2S Heater Control Circuit High (Bank 1, Sensor 1) Short to B+ -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING . Heater current > 5.5 A
  • time after engine start> 5 Sec
  • heater commanded on
 0.5 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 . Heater voltage, 4.7...5.4 V
  • engine speed> 80 RPM
  • heater commanded off
 0.5 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 < 3.26 V
  • engine speed> 80 RPM
  • heater commanded off
 0.5 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, > 3.0 A
  • engine speed> 80 RPM
  • heater commanded on
 0.5 Sec
  • Continuous
  • 2 DCY
P0042 HO2S Heater Circuit (Bank 1, Sensor 3) open circuit SULEV -- Check the Oxygen Sensor (O2S) Heater - Center Three Way Catalytic Converter (TWC) -Z64-. heater voltage 4.50...5.50 V
  • engine speed, > 80 RPM
  • heater commanded off
 0.50 Sec
  • Continuous
  • 2 DCY
P0043 HO2S Heater Control Circuit Low (Bank 1, Sensor 2) short to ground -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR O2S 1 HEATER 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
Out of range-high
  • engine speed deviation > 80 RPM
  • time after engine start >0.0 Sec
  • driver torque demand none
  • vehicle speed 0 km/h
  • altitude < 2700 m
  • IAT > -48° C
  • evap purge valve closed
  • catalyst heating active
  • FOR MANUAL TRANSMISSIONS:
  • engine load <40...75%
  • catalyst heating active
  • time after engine start >0.0 Sec
  • driver torque demand none
  • vehicle speed 0 km/h
  • altitude < 2700 m
  • IAT > -48° C
  • catalyst heating active
 4 Sec
  • multiple
  • 2 DCY
P052A Idle Air Control System response check -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • signal change> 6° CA
  • time after engine start>= 5.0 Sec
  • modeled oil temperature>= -13°C
  • commanded camshaft timing correction for catalyst heating active
 3.5 Sec
  • once
  • 2 DCY
P0068 n.a. for Audi TT 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%
  • fuel system monitor, running
  • lambda control closed loop
 30 Sec
  • Continuous
  • 2 DCY
P0070 ambient air temp sensor short to B+ -- Check the Outside Air Temperature Sensor -G17-. ambient air temp < 50.0 °C CAN active 6 Sec
  • multiple
  • 2 DCY
P0071 rationality check -- Check the Outside Air Temperature Sensor -G17-.
  • diff. ECT vs. IAT at engine start< |24.8...39.8| (depending on engine off time) K
  • difference value AAT-ECT @ engine start (depending on engine-off time) > |25...40K
AND
  • difference value AAT-IAT engine start (depending on engine-off time) > 25....40K
  • engine off time > 6 h
  • ECT @ start< 3° C
  • ECT @ time after engine start 60 Sec
  • AAT @ engine start <=5.3° C
  • minus
  • AAT @ condition vehicle speed >25 MPH
  • for time >30 Sec
  • intake air temp <=5.3° C @ engine start
  • minus
  • intake air temp @ condition vehicle speed >25 MPH
  • for time >30 Sec
 0 Sec
  • Once/DCY
  • 2 DCY
P0072 ambient air temp sensor short to ground -- Check the Outside Air Temperature Sensor -G17-. ambient air temp > 87.0° C CAN active 6 Sec
  • multiple
  • 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, 1.05... 1.5
  • engine speed, 600 RPM
  • evap purge < 22
  • fuel cut off, not active
  • ECT >= 63°C
  • 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
  • Time after engine start 5 Sec
  • fuel cut-off not active
  • time after fuel cut-off if applicable 20 Sec
  • 2 Sec
  • 180 Sec
  • Continuous
  • 2 DCY
P0100 n.a. for Audi TT 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 ---- 1 Sec
  • Continuous
  • 2 DCY
P0101 n.a. for Audi TT 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 < 3...197 kg/h%
  • mass air flow vs upper threshold > 60...890 kg/h
  • time after engine start, > 150 camshaft revs
 2 Sec
  • Continuous
  • 2 DCY
P0102 n.a. for Audi TT 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 --- 1 Sec
  • Continuous
  • 2 DCY
P0103 n.a. for Audi TT 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, > 4.5 m Sec --- 1 Sec
  • Continuous
  • 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.
  • cross check diff. manifold pressure to average value of all pressure sensors @ start< -65.00 hPa
  • cross check diff. manifold pressure to average value of all pressure sensors @ start> 60.00 hPa
  • rationality check manifold pressure signal: variation between state 1 and 2< 10.00 hPa
  • rationality check low difference manifold pressure - lower threshold model< 0 hPa model range 0...1900 hPa
  • rationality check high difference manifold pressure - upper threshold model> 0 hPa model range 850...2500 hPa
  • rationality check diff. altitude sensor signal vs. manifold pressure signal at engine start> 90.00 hPa
  • adaptation value monitoring offset value manifold pressure for load calculation in driving condition range 2> 80.00 hPa
  • adaptation value monitoring offset value manifold pressure for load calculation in driving condition range 2< 80.00 hPa
  • engine shut-off-time> 5.0 Sec
  • engine speed< 330 rpm
Diagnostic state 1:
  • engine speed< 1500 RPM
  • throttle angle> 13.99%
Diagnostic state 2:
  • engine speed> 1500 RPM
  • throttle angle< 10.01%
general:
  • ECT> 30° C
  • time above limit> 100.0 Sec
  • time after engine start< 25.0 Sec
  • engine speed< 330 rpm
driving condition range 1 (omsna):
  • engine speed< 1000 rpm
  • desired mass flow 5.00...25.00 kg/h
  • delta adaptation value range 1< 0.10 kg/h
  • for time 5.0 Sec
driving condition range 2 (opsra):
  • engine speed> 1200 rpm
  • manifold pressure< 580.00 hPa
  • delta adaptation value range 2< 2.03 hPa
  • for time 10.0 Sec
driving condition range 3 (opua):
  • desired mass flow> 0.00 kg/h
  • manifold pressure> 0.00 hPa
  • delta adaptation value range 3< 2.97 hPa
  • for time 0.1 Sec
general:
  • engine operation in every driving condition>= 2 times
  • diagnosis evap purge system not active
  • engine speed 500...7000 RPM
  • manifold pressure> 0.00 hPa
  • ratio manifold pressure to ambient pressure< 0.85
  • 0 Sec
  • 2.5 Sec
  • once
  • 2 DCY
  • multiple
  • 2 DCY
P0107 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.
  • short to ground signal voltage< 0.20 V
  • range check manifold pressure signal< 0.00 hPa
 --- 1 Sec
  • Continuous
  • 2 DCY
P0108 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.
  • short to battery / open circuit signal voltage> 4.80 V
  • range check manifold pressure signal> 5119.92 hPa
 --- 1 Sec
  • Continuous
  • 2 DCY
P0111 Intake Air Temperature Sensor 1 Rationality check -- 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, > 24.8...39.8 K
  • AND
  • difference value: IAT-AAT @ engine start (depending on engine-off time), > 24.8...39.8 K
AND
  • diff. AAT vs. ECT at engine start (depending on engine off time) < 24.8...39.8 K
  • engine-off time, > 6 h
  • ECT @ start < 3K
  • ECT @ engine start, < 3° C minus ECT @ time after engine start, 60 Sec
solar radiation case 1:
  • AAT @ engine start, <=5.3° C minus AAT @ condition
  • vehicle speed, > 25 MPH
  • for time >30 Sec
solar radiation case 2:
  • IAT @ start minus IAT @ condition<= 5.3 K
  • vehicle speed> 25 MPH
  • for time> 30.0 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 g
  • 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, < 45.4° C --- 2 Sec
  • multiple g
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance. -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the coolant regulator. Refer to Engine Mechanical, Fuel Injection and Ignition; 19; Cooling System Components.
  • diff. ECT vs. IAT at engine start> |24.8...39.8| (depending on engine off time) K
  • difference value AAT-ECT @ engine start (depending on engine-off time) <|25...40K
AND
  • difference value AAT-IAT engine start (depending on engine-off time) > 25....40K
  • engine off time > 6 h
  • ECT @ start< 3° C
  • ECT @ time after engine start 60 Sec
  • AAT @ engine start <=5.3° C
  • minus
  • AAT @ condition vehicle speed > 25 MPH
  • for time > 30 Sec
  • intake air temp <=5.3° C @ engine start
  • minus
  • intake air temp @ condition vehicle speed > 25 MPH
  • for time > 30 Sec
 115 Sec
  • once/DCY
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance. Only SULEV -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Refer to Engine Mechanical, Fuel Injection and Ignition; 19; Cooling System Components. Stuck low:
  • no change of signal, < 1.5K
  • ECT @ start, 50.30...88.4° C
  • substitute ECT, > -48.00° C
  • Driving condition L:
  • vehicle speed, 0.0...10.00 km/h
  • mass air flow, 4.0...180.0 kg/h
  • time required > 25 Sec
  • frequency, 3 times
  • Driving condition H:
  • vehicle speed, 40.0...120 km/h
  • mass air flow, 12...36...152 kg/h
  • time required, > 40 Sec
  • frequency, once
 115 Sec
  • Once/DCY
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance. Only SULEV -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Refer to Engine Mechanical, Fuel Injection and Ignition; 19; Cooling System Components. Stuck in range
  • 88.5...109.5 °C
  • AND
  • no change on signal, 1.5 K
  • engine-off time, > 9900...15600 Sec
  • ECT @ start, 88.5...109.5° C
  • substitute ECT, > -48.00° C
  • Driving condition L:
  • vehicle speed, 0.0...10.00 km/h
  • mass air flow, 4.0...180.0 kg/h
  • time required > 25 Sec
  • frequency, 3 times
  • Driving condition H:
  • vehicle speed, 40.0...120 ikm/h
  • mass air flow, 12...36...152 kg/h
  • time required, > 40 Sec
  • frequency, once
 115 Sec
  • Once/DCY
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance. Only ULEV -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Refer to Engine Mechanical, Fuel Injection and Ignition; 19; Cooling System Components.
  • delta ECT< 2.25... 3.75 K
  • AND
  • ECT @ engine start (depending on engine off time) > 50° C
  • delta ECT< 2.25.. 3.75
  • ECT @ engine start 50...140° C
  • vehicle speed 0 MPH
  • mass air flow 4...28 kg/h
 > 110 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 .-- Refer to Engine Mechanical, Fuel Injection and Ignition; 19; Cooling System Components. ECT, > 141° 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 .-- Refer to Check the coolant regulator. Refer to Engine Mechanical, Fuel Injection and Ignition; 19; Cooling System Components. ECT, < 39.8° 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< 1.75V
  • UN< 1.50 V
  • IA, < 0.30 V
  • IP < 0.30 V
 --- 10 Sec
  • multiple
  • 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 > 7.0 V
 --- 10 Sec
  • multiple
  • 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:
  • difference of R2L area ratio vs. L2R area ratio-0.35...0.35
  • lower value of both counters for area ratio R2L and L2R>= 5times
Delay Time:
  • gradient ratio>= 0.00
  • lower value of both area< 0.20 ratios R2L and L2R
Transient Time:
  • gradient ratio>= 0.00
  • lower value of both area ratios R2L and L2R< 0.20
  • lower value of both gradient ratios R2L and L2R< 0.00
ASYMMETRIC FAULT:
  • difference of R2L area ratio vs. L2R area ratioNOT (-0.35...0.35)
  • values of both counters for area ratio R2L and L2R>= 5times
Delay Time:
  • gradient ratio>= 0.00
  • lower value of both area ratios R2L and L2R< 0.37
Transient Time:
  • gradient ratio>= 0.00
  • gradient ratio<= 0.00
  • lower value of both area ratios R2L and L2R< 0.35
  • OR
  • lower value of both gradient ratios R2L and L2R< 0.00
  • O2S front - min. operation temperature is reached> 720.0°C
  • O2S front - time since operation readiness> 20.0 Sec
  • Engine speed, 1000-4000 RPM
  • ECT >= 30° C
  • catalyst temp. >=400° C
  • engine load, 13.5...100.1%
  • lambda control set-point prior to diagnostic fuel steps stoichiometric
  • relative fuel amount from wall-applied compensation and evap purge <= 0.20
  • time since last measurement> 3.0 Sec
  • evap purge not active
OR
  • evap purge> 0.0 Sec
  • 2nd lambda control loop not active
  • forced lambda oscillation not active
  • AIR not active
  • tank leakage detection not active
  • diagnosis evap purge system not active
  • fuel cut off for any cylinders not active
  • open circuit pump current (IP) ready
only Flex fuel systems without ethanol sensor:
  • ethanol concentration adaptation not active
 67 Sec
  • once
  • 2 DCY
P0135 O2 Heater Circuit (Bank 1, Sensor 1) -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING .
  • Out of range-high
  • O2S ceramic temperature, < 715° C
  • AND
  • Heater duty cycle, > 90%
  • Rationality check:
  • 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
  • ECT @ start> -11° C
  • engine shut-off-time> 300.0 Sec
  • (during ECM keep alive-time after ignition off)< 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 > 2.0 V
  • cycles completed >= 6
  • O2S rear fully heated up
  • dew point exceeded and lower exhaust gas temp.limit exceeded for 60 Sec
 10 Sec
  • continuous
  • 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 V
  • for time> 3.0 sec
  • 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 voltage 0.50...1.26 V
case 2: sensor theoretical ready for operation
  • for time> 20.0
  • sensor sufficient heated up if exhaust temperature>= 700° C
  • for time> 10.0 Sec
  • heater power>= 50.00%
  • for time> 10.0 Sec
general:
  • dew point exceeded
  • fuel cut off not active
  • catalyst purge not 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 time> 5.0 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> 20.0
  • sensor sufficient heated up if exhaust temperature>= 700° C
  • for time> 10.0 Sec
  • heater power>= 50.00%
  • for time> 10.0 Sec
general:
  • dew point exceeded
  • lambda set value> 0, 995
 5 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 .
  • O2S signal rear during fuel cut off> 160 mV
  • O2S signal rear < 624
  • O2S signal rear > 624
  • modeled exhaust gas temp. >350° C
  • O2S rear, ready > 4 Sec
  • fuel cut-off, > 4 Sec
  • O2S rear readiness > 60 Sec
  • O2S signal rear > 588 mV
  • mass air flow 25•••150 kg/h
  • O2S rear readiness > 10 Sec
  • modeled exhaust gas temp.> 350°
  • mass air flow 25...150 kg/h
  • O2S rear readiness > 10 Sec
  • modeled exhaust gas temp.> 350°
  • O2S signal rear > 588 mV
  • fuel cut-off, > 4 Sec
 5 Sec
  • 100 Sec
  • 100 Sec
  • continuous
  • 2 DCY
P013A Oxygen Sensors rear (binary LSF) -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. OXYGEN SENSOR 3 BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING 
  • EWMA filtered max differential transient time at fuel cut off>= 0.7 Sec
  • AND
  • number of checks>= 3.00 (initial phase and step function)
  • time after last fuel cut off>= 20.0 Sec
  • O2S rear ready
  • exhaust temperature at sensor>= 340° C
  • deviation between expected and measured front O2-sensor lambda signal < 6.00
  • after time since fuel cut off at first cylinder>= 1.5
  • oscillation check ready
  • exhaust mass flow> 8.00 kg/h
  • exhaust mass flow dynamic within range-250.00...150.00kg/h
  • sensor voltage at start of measurement> 0.52 V
  • time of fuel cut off<= 90 Sec
 10 Sec
  • multiple
  • 1DCY
P0140 O2 Circuit No Activity Detected (Bank 1, Sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • Signal voltage, 0.40..0.50 V
  • internal resistance > 40000 KΩ
  • difference of sensor voltage with load pulse and voltage without load pulse (mean value of 3 measurements)>= 2.80V
  • exhaust temperature> 600° C
 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> 20.0
  • sensor sufficient heated up if exhaust temperature>= 700° C
  • for time> 10.0 Sec
  • heater power>= 50.00%
  • for time> 10.0 Sec
general:
  • dew point exceeded
  • lambda set value> 0, 995
 30 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, > 702...5250 Ω
  • Modeled exhaust gas temp, 250-650° C
  • engine shut-off-time> 60.0 (during ECM keep alive-time after ignition off)< 60...300 Sec
  • number of checks 10.00
  • fuel cut-off not active
  • heater commanded on
 15 Sec
  • multiple
  • 2 DCY
P0142 O2 circuit Bank 1 Sensor 3 heater check -- Check the Oxygen Sensor 02S) 3 (behind Three Way Catalytic Converter (TWC)) Heater -Z64-.
  • delta voltage one step at heater switching, > 2.0 V
  • number of checks, 10
  • Modeled exhaust gas temp. 200-800° C
  • dew point exceeded and lower exhaust gas temp.limit exceeded for 60 Sec
 10 Sec
  • 2 DCY
P0143 O2 circuit Bank 1 Sensor 3 Short to ground -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-.OXYGEN SENSOR 3 BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING 
  • signal voltage< 0.06V
  • difference of sensor voltage with load pulse and voltage without load pulse (mean value of 3 measurements)< 0.01
 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> 20.0
  • sensor sufficient heated up if exhaust temperature>= 700° C
  • for time> 10.0 Sec
  • heater power>= 50.00%
  • for time> 10.0 Sec
general:
  • dew point exceeded
  • fuel cut off not active
  • catalyst purge not active
  • 3.0 Sec
  • multiple
  • 2 DCY
P0144 O2 circuit Bank 1 Sensor 3 Short to Batt. + -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. OXYGEN SENSOR 3 BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING  signal voltage > 1.26 V. for time> 5.0 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> 20.0
  • sensor sufficient heated up if exhaust temperature>= 700° C
  • for time> 10.0 Sec
  • heater power>= 50.00%
  • for time> 10.0 Sec
general:
  • dew point exceeded
  • lambda set value> 0.995
 30.0 Sec
  • multiple
  • 2 DCY
P0145 O2 Circuit Slow Response (Bank 1, Sensor 2) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR O2S BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
  • EWMA filtered transient time at fuel cut-off, > 0.4 Sec
  • in voltage range, 401.4...201.2 mV
  • number of checks (initial phase), >3
  • number of checks (step function), >3
  • rich voltage, >=547.9 mV
  • lean voltage <=152.3 mV
  • OR
  • Max O2 mass flow (disable), >=6000 mg
  • O2S rear, ready
  • fuel cut-off, active
  • front O2 sensor, lambda signal, >2.00
  • modeled exhaust gas temp. >400° C
  • exhaust gas mass flow, >25.0 kg/h
  • rear O2 sensor internal resistance, <=131 KΩ
  • or resistance measurement, ready
  • front O2 sensor, sensor cross change, no fault
  • rear O2 sensor heater, wires and oscillating check, no fault
  • purge valve, no fault
  • trigger for step change, delta transient time, READ ERROR
 4.5 Sec
  • 2 DCY
P0146 O2 circuit Bank 1 Sensor 3 Open circuit -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. OXYGEN SENSOR 3 BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING 
  • signal voltage, 0.40...0.50 V
  • for time> 3.0 Sec
  • difference of sensor voltage with load pulse and voltage without load pulse (mean value of 3 measurements)>= 2.80V
  • internal resistance, > 40 KΩ
  • exhaust temperature> 600° C
 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> 20.0
  • sensor sufficient heated up if exhaust temperature>= 700° C
  • for time> 10.0 Sec
  • heater power>= 50.00%
  • for time> 10.0 Sec
general:
  • dew point exceeded
  • valid Ri-measurements> 10times
 200 Sec
  • multiple
  • 2 DCY
P0147 O2 circuit Bank 1 Sensor 3 heater check -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287 -. OXYGEN SENSOR 3 BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING  heater resistance 1056...11656 Ω
  • Modeled exhaust gas temp, 250-650.1° C
  • Engine shutoff time, > 300 Sec.
  • fuel cut-off not active
  • heater commanded on
 15 Sec
  • multiple
  • 2 DCY
P0169 Incorrect Fuel Composition Quality of fuel is suspect. Higher than allowed levels of alcohol may be present.
  • cylinder individual interventions on injection path incorrect
  • injection cut off incorrect
  • comparison with fuel quantity incorrect
  • internal check failed
  • correction factor incorrect
  • fuel quantity incorrect
  • ABS. difference between predicted and real air mass> 8.30%
 ---
  • ---
  • ---
  • internal engine speed> 1200 rpm
  • internal engine speed> 1200 rpm
  • internal engine speed> 1200 rpm
  • ---
  • internal engine speed> 1200 rpm
 2 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
  • Adaptive value > 6.0 only
  • Engine speed, < 1200 RPM
  • Engine load, 9.0...45%
  • mass air flow, < 26 kg/h
  • ECT, >60.0° C
  • lambda control, closed loop
  • evap purge valve, closed
  • 50 Sec
  • continuous
  • 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
  • Adaptive value < 6.0 only
  • Engine speed, < 1200 RPM
  • Engine load, 9.0...45%
  • mass air flow, < 26 kg/h
  • ECT, >60.0° C
  • lambda control, closed loop
  • evap purge valve, closed
  • 50 Sec
  • continuous
  • 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 > 20.60 mPa
  • ignition on
 0.5 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 < 0.20 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
monitoring booster-time
  • internal logic failure
  • Engine speed, > 80 RPM
  • injection valve switched 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
monitoring booster-time
  • internal logic failure
  • Engine speed, > 80 RPM
  • injection valve switched 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
monitoring booster-time
  • internal logic failure
  • Engine speed, > 80 RPM
  • injection valve switched 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
monitoring booster-time
  • internal logic failure
  • Engine speed, > 80 RPM
  • injection valve switched 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 1 - calc value, >actual TPS2 -calc. value
  • OR
  • TPS 1- 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; 21; Charge Air System
  • diff. set value boost pressure vs. actual boost pressure value> 200 ••• 1275 hPa
 altitude< 2700 m 1.5 Sec
  • multiple
  • 2 DCY
P0236
  • Turbocharger/Supercharger Boost Sensor A Plausibility check
  • Pressure Sensor in front of Throttle.
 -- 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; 21; Charge Air System
  • diff. boost pressure signal vs altitude sensor signal, >262.97 hPa
  • diff. boost pressure signal vs altitude sensor signal, <162.97 hPa
  • diff. pressure in front of throttle to average value of all pressure sensors @ start< -60.00 hPa
  • diff. pressure in front of throttle to average value of all pressure sensors @ start> 60.00 hPa
  • engine s speed, <1000 RPM
  • throttle position, <11.50%
  • engine s speed, <1000 RPM
  • throttle position, <11.50%
  • engine shut-off-time> 5.0 Sec
  • engine speed< 330 RPM
  • 2 Sec
  • 0 Sec
  • multiple
  • 2 DCY
  • once
  • 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 Engine Mechanical, Fuel Injection and Ignition; 21; Charge Air System 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 Engine Mechanical, Fuel Injection and Ignition; 21; Charge Air System Signal voltage, > 4.88 V
  • engine speed> 80 RPM
  • throttle position< 11.5%
 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
  • charge 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
  • charge 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...4.0 A
  • charge 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 switched 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 switched 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 switched on
 0.5 Sec
  • Continuous
  • 2 DCY
P0299 Turbocharger/Supercharger Underboost Rationality check low -- Check the charge air system for proper seal. Refer to Engine Mechanical, Fuel Injection and Ignition
  • diff. set value boost pressure vs actual boost pressure value, > 150.00 hPa
  • Engine speed, < 2200-2920 RPM
  • altitude< 2700 m
  • diff. set value boost pressure vs. basic boost pressure value> 200.00 hPa
  • boost pressure control active
  • turbo charger bypass valve closed
 1.0 Sec
  • multiple
  • 2 DCY

Ignition system 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0300 Random Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33-. 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 1st interval % MR > 1.9%
  • catalyst damage misfire rate (MR) > 4.76... 20%
  • ECT at start, > 11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 1000 Rev.
  • 200 Rev.
  • 2 DCY
  • continuous
P0301 Cylinder 1 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33-. 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 1st interval % MR >1.9%
  • catalyst damage misfire rate (MR) > 4.76... 20%
  • ECT at start, > 11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 1000 Rev.
  • 200 Rev.
  • 2 DCY
  • continuous
P0302 Cylinder 2 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33-. 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 1st interval % MR > 1.9%
  • catalyst damage misfire rate (MR) > 4.76... 20%
  • ECT at start, > 11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 1000 Rev.
  • 200 Rev.
  • 2 DCY
  • continuous
P0303 Cylinder 3 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33-. 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 1st interval % MR > 1.9%
  • catalyst damage misfire rate (MR) > 4.76... 20%
  • ECT at start, > 11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 1000 Rev.
  • 200 Rev.
  • 2 DCY
  • continuous
P0304 Cylinder 4 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PRESSURE TEST .-- Check the Fuel injectors -N30, N31, N32, N33-. 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 1st interval % MR >1.9%
  • catalyst damage misfire rate (MR) > 4.76... 20%
  • ECT at start, > 11° C
  • Fuel cutoff, Not active
  • rough road not detected
  • 1000 Rev.
  • 200 Rev.
  • 2 DCY
continuous
P0321 Ignition/Distributor Engine Speed Input Circuit Range/Performance -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • counted teeth versus reference, incorrect > 1
  • OR
  • monitoring reference gap failure
 --- 1.50 Sec
  • Continuous
  • 2 DCY
P0102 Ignition/Distributor Engine Speed Input Circuit No Signal -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • camshaft signals> 3.00
  • engine speed no signal 0
 --- 2.50 Sec
  • Continuous
  • 2 DCY
P0324 Knock Control System Error -- Check the Knock Sensors -G61, G66-. Refer to KNOCK SENSOR 1, CHECKING 
  • signal fault counter (combustion)> 24.00
  • 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 the Knock 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 the Knock 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 the Knock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  Lower threshold, < 0...3.1 V
  • engine speed> 2000 RPM
  • ECT> 41° C
  • engine load > 48 ••• 60%
 3 Sec
  • Continuous
  • 2 DCY
P0328 Knock Sensor 1 Circuit signal range check -- Check the Knock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  Upper threshold > 37.5 ••• 165 V
  • engine speed> 2000 RPM
  • ECT> 41° C
  • engine load > 48 ••• 60%
 3 Sec
  • Continuous
  • 2 DCY
0
P0328 Knock Sensor 1 Circuit Low Input (Bank 1) Short to ground, Port B -- Check the Knock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  Upper threshold upper threshold> 1.0 V
  • Engine speed, > 1000 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0328 Knock Sensor 1 Circuit Low Input (Bank 1) Short to ground, Port A -- Check the Knock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING  Upper threshold upper threshold> 1.0 V
  • Engine speed, > 1000 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0332 Knock Sensor 2 Circuit -- Check the Knock Sensor 2 -G66-. lower threshold 0.05.. 0.38 V
  • Engine speed, > 2400 RPM
  • ECT> 40.5° C
  • engine load> 30 %
 2.5 Sec
  • multiple
  • 2 DCY
P0333 Knock Sensor 2 Circuit -- Check the Knock Sensor 2 -G66-. upper threshold 4.5.. 30.0 V
  • Engine speed, > 2400 RPM
  • ECT> 40.5° C
  • engine load> 30 %
 2.5 Sec
  • multiple
  • 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, defect counter 12.00 ---- 0.5 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 8 crankshaft revs
 --- 0.5 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 8 crankshaft revs
 --- 0.5 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...2.0 A
  • Engine speed, > 680 RPM
 2 Sec
  • Continuous
  • 2 DCY
P0352 Ignition Coil B Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage - N127-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current, 0.25...2.0 A
  • Engine speed, > 680 RPM
 2 Sec
  • Continuous
  • 2 DCY
P0353 Ignition Coil C Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage - N291-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current, 0.25...2.0 A
  • Engine speed, > 680 RPM
 2 Sec
  • Continuous
  • 2 DCY
P0354 Ignition Coil D Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N292-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current, 0.25...2.0 A
  • Engine speed, > 680 RPM
 2 Sec
  • Continuous
  • 2 DCY

Additional exhaust regulation 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0410 system check after SAI PZEV only Check the Secondary Air System. Refer to CATALYTIC CONVERTER, CHECKING  deviation SAI pressure, >20.0 hPa
  • mass air flow, 7...150 kg/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) -- 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 measured OSC< 1.00 (HC and Nox-correlated) EWMA filter value for catalyst < 1.00
  • engine start temp. >-10° C
  • time after engine start > 70 Sec
  • time after dew point > 70 Sec
  • Delta exhaust mass airflow, lower range < 45 kg/h
  • exhaust gas mass flow, lower range 18•••80.0 kg/h
  • exhaust mass airflow, upper range 60...165 kg/h
  • EVAP purge flow <25%
  • modeled exhaust gas temp. in catalyst system, lower range 430...630° C
  • mass air flow 23...85 kg/h
  • modeled catalyst temp > 350° C
  • modeled exhaust gas temp. dynamic< 33.0K
  • engine load 15.8...115.5%
  • modeled exhaust gas temp. in catalyst system, upper range 560...750° C
  • minimum modeled exhaust gas temp. in catalyst system> 350° C
  • engine speed 1200...4000 RPM
  • for time >120 Sec
  • range between lambda set value and lambda value < 0.03
  • out of lambda range< 2.0 Sec
  • lambda control closed loop
  • lambda control not at min or max limit
  • number of checks, no step change suspicion 1
  • number of checks, step change suspicion 6.00
  • O2S front ready
  • O2S rear ready
  • no misfire O2S front response monitoring in current driving cycle ready
 66 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, > 400 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...130.0 kg/h
  • modeled exhaust gas temp. in catalyst system, lower range, 460...600° C
  • modeled exhaust gas temp in catalyst system, upper range, 500...680° 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
  • 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 . Deviation < 2...7% lambda controller AND < 30% idle controller deviation
  • lambda control closed loop
  • integrated air mass, 3.2...6.5 kg
  • Engine speed, idle
  • Engine speed Deviation, <100 RPM
  • evap purge flow integral> 50...120 g
  • selected gear, any
  • ECT > 60° C
  • or substitute ECT > 60° C
  • IAT, >4° C
  • Altitude, <2700 m
  • IAT @ engine start > 3.8° C
 16.9 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 < 1.6...1.8 Sec.
  • Time after engine start 5.5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • ambient pressure >743.5 hPa
  • air temp 4...59° C
  • Altitude, < 2700 m
  • Evap purge valve closed
  • LDP, Activated
  • vehicle speed ones> 25
  • selected gear any drive
  • IAT drop after engine start, < 7.5° C
Deep Down Hill Driving
  • delta ambient pressure< 2.50 hPa
  • engine load NOT <(21.0)%
  • delta vehicle speed NOT > 93 MPH
 159.9 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> 4.7... 5.4 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 < 1.0 Sec.
  • Time after engine start 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • air temperature 4...59° C
  • ambient air temp drop after engine start, < 12 K
  • vehicle speed ones> 25 mph
  • Altitude, < 2700 m
  • Evap purge valve closed
  • LDP, Activated
  • Delta ambient pressure, < 2.50 hPa
  • engine load NOT <(21.0)%
  • delta vehicle speed NOT >= 93 mph
 156.7 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 5.0...1000 Sec
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • ambient pressure >743.5 hPa
  • ambient air temp drop after engine start, < 4.5 K
  • vehicle speed 0...93 MPH
  • vehicle speed ones> 25
  • selected gear any drive
  • Altitude, < 2700 m
  • Evap purge valve closed
  • LDP, Activated
  • Delta ambient pressure, < 300 Pa
  • IAT drop after engine start, < 7.5° C
Hill Driving
  • delta ambient pressure -1.5...1.5 hPa
  • engine load NOT <(21.0)%
  • vehicle acceleration< | 3.50 |m/s2
  • delta vehicle speed NOT > 93 mph
 178 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, > 0...3.26V
  • 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...150 kg/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

Speed and idle control 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0501 Vehicle Speed Sensor A Range/Performance -- Check vehicle speed signal. Refer to SPEED SIGNAL, CHECKING . VSS signal, < 2 MPH
  • fuel cut off active
  • Engine speed, engine speed 1520...4520 RPM
  • ECT> 40° C
 3000 mSec
  • multiple
  • 2 DCY
P0501 Vehicle Speed Sensor A Range/Performance Only ULEV -- Check vehicle speed signal. Refer to SPEED SIGNAL, CHECKING . VSS signal, < 4 km/h
  • Engine speed, 1520...4520 RPM
  • fuel cut-off, active
  • vehicle speed sensor, no fault
 3 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
  • external torque request not demanded
  • fuel cut-off not active
  • Vehicle speed, 0 MPH
  • Altitude, < 2700 m
  • ECT, > -11° C
  • IAT, > -10° C
  • engine speed idle
  • engine load, < 16.01...40.99%
  • external torque request not demanded
  • fuel cut-off not active
  • Vehicle speed, 0 MPH
  • Altitude, < 2700 m
  • ECT, > -11° C
  • IAT, > -10° C
  • engine speed idle
  • engine load, < 16.01...40.99%
  • 4 Sec
  • 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 request not demanded
  • fuel cut-off not active
  • Vehicle speed, 0 MPH
  • Altitude, < 2700 m
  • ECT, > -11° C
  • IAT, > -10° C
  • engine speed idle
  • engine load, < 16.01...40.99%
 7 Sec
  • multiple
  • 2 DCY
P050A Cold Start Monitoring -- 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 max. value
plausibility check
  • integrated deviation of engine speed low and integrated deviation of engine speed high> 2000 RPM
  • engine speed idle
  • vehicle speed 0.00 mph
  • altitude< 2700 m
  • ECT @ start> -11° C
  • vehicle speed ready
  • external torque request not demanded
  • commanded idle speed increase for catalyst heating active
  • engine load< 15.00...40.01%
  • 4 Sec
  • 4 Sec
  • 3 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> 18.00%
  • time during catalyst heating> 13.0 Sec
  • commanded spark retard during catalyst heating< 90.0%
  • catalyst heating active
  • idle speed not active
  • vehicle speed>= 3 mph
  • delta engine load<= 49.99%
  • delta engine speed<= 1000 rpm
 0.5 Sec
  • once
  • 2 DCY
P053F Fuel Rail Control Valve, high pressure side -- Check the Fuel Rail Control Valve FUEL PRESSURE REGULATOR VALVE, 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> 10.0 Sec
  • fuel cut off not active
  • time after fuel cut off> 10.0 Sec
  • catalyst heating active
 3.5 Sec
  • multiple
  • 2 DCY

Control module and output signals 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P062B Injection Valves Communication -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . internal logic failure
  • engine speed > 80 RPM
 2.2 Sec
  • Continuous
  • 2 DCY
P0601 Internal Control Module Memory Check Sum Error -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. Internal check sum, incorrect --- 0.5 Sec
  • Continuous
  • 2 DCY
P0604 Internal Control Module Random Access Memory (RAM) Error -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. Write ability check, failed --- 0.5 Sec
  • Continuous
  • 2 DCY
P0605 Internal Control Module Read Only Memory (ROM) Error -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. Checksum Incorrect --- 0.5 Sec
  • Continuous
  • 2 DCY
P0606 only Audi TT ECM Processor -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. Power up calibration
  • EEPROM check, failed
plausibility check
  • signal gradient> 75.00 hPa
  • signal gradient< 75.00 hPa
short to battery / open circuit
  • signal voltage> 4.88 V
short to ground
  • signal voltage< 0.20 V
out of range high
  • measured ambient pressure> 1150.00 hPa
out of range low
  • measured ambient pressure< 450.00 hPa
  • engine speed< 330 RPM
  • engine shut-off-time> 5.0 Sec
  • 2 Sec
  • once
  • 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%
signal range check:
  • TPS 1 signal voltage NOT (0.40...0.80)V
  • OR
  • TPS 2 signal voltage NOT (4.20...4.60) V
  • Ignition, on
  • Engine speed, 0 RPM
  • IAT, >5.3° C
  • Vehicle speed, 0 MPH
  • ECT, >5.3° C
  • engine shut-off-time 0.5 Sec
  • number of checks 2.00
  • Ignition, on
  • Engine speed, 0 RPM
  • IAT, >5...143° C
  • Vehicle speed, 0 MPH
  • ECT, >5.3...114.8° C
  • engine shut-off-time 0.5 Sec
  • number of checks 2.00
  • 5 Sec
  • .3 Sec
  • Continuous
  • 2 DCY
P0641 Sensor Reference Voltage A Circuit/Open -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. signal voltage deviation> +/- 0.3V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0642 Sensor Reference Voltage A Circuit Low -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. Signal voltage, < 4.6...5 V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0643 Sensor Reference Voltage A Circuit High -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. 5 V supply voltage > 5...5.4 V Threshold values depending on internal 5 V rev voltage 0.5 Sec
  • Continuous
  • 2 DCY
P0651 Sensor Reference Voltage B Circuit/Open -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. signal voltage deviation> +/- 0.3V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0652 Sensor Reference Voltage B Circuit Low -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. Signal voltage, < 4.6-5 V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0653 Sensor Reference Voltage B Circuit High -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. 5 V supply voltage > 5...5.4 V Threshold values depending on internal 5 V rev voltage 0.5 Sec
  • Continuous
  • 2 DCY
P0657 Actuator Supply Voltage A Circuit / Open -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to ENGINE CONTROL MODULE POWER SUPPLY RELAY, 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 ENGINE CONTROL MODULE POWER SUPPLY RELAY, 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 ENGINE CONTROL MODULE POWER SUPPLY RELAY, 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 ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING .
  • Signal voltage, 2.6-3.7 V
  • Sense circuit voltage, < 6 V
 ECM keep alive time main relay, Commanded on (Test pulse) Ignition off 0.5 Sec
  • Continuous
  • 2 DCY
P0686 ECM/PCM Power Relay Control Circuit Low -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING .
  • Signal voltage, 2.6-3.7 V
  • Sense circuit voltage, > 6 V
 ECM keep alive time main relay, Commanded on (Test pulse) Ignition off 0.5 Sec
  • Continuous
  • 2 DCY
P0687 ECM/PCM Power Relay Control Circuit High -- Check the Motronic Engine Control Module (ECM) Power Supply Relay -J271-. Refer to ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING .
  • Signal current, >1.4-0.7 A
  • Sense circuit voltage, < 6 V
 --- 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 ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING .
  • Sense voltage, < 3.0 V
  • Sense voltage, > 3.0 V
  • Main relay, commanded on
  • Main relay, commanded off
  • 2 Sec
  • Continuous
  • 2 DCY
P0697 Sensor Reference Voltage C Circuit / Open -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. signal voltage deviation> +/- 0.3V --- 0.5 Sec
  • Continuous
  • 2 DCY
P0698 Sensor Reference Voltage C Circuit Low -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information.. Signal voltage, < 4.6...5 V Threshold values dep. on internal 5 V rev voltage 0.5 Sec
  • Continuous
  • 2 DCY
P0699 Sensor Reference Voltage C Circuit High -- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the appropriate service information. 5 V supply voltage > 5...5.4 V Threshold values dep. on internal 5 V rev voltage 0.5 Sec
  • Continuous
  • 2 DCY

Fuel and Air ratios, control module 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
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, > 0.20 mPa
  • AND
  • fuel trim activity, < 0.80
  • engine speed 1000...2000 RPM
  • evap purge adaptation < 22 kg/m
  • ECT>= 63° C
  • 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, < 0.15 mPa
  • AND
  • fuel trim activity, > 1.65
  • engine speed > 600 RPM
  • evap purge adaptation < 22.00
  • lambda control closed loop
  • ECT > 60° C
  • 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, < 7.5 mPa
  • AND
  • fuel trim activity, > 9.3...1.15
  • AND
  • difference between target pressure vs. actual pressure, -< 16.38 mPa
  • engine speed > 600 RPM
  • engine load > 60%
  • evap purge flow < 22 kg/h
  • ECT >= 60° C
  • lambda control closed loop
  • fuel cut off not active
 5 Sec
  • Continuous
  • 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 > 22%
  • time during catalyst heating> 13.0 Sec
  • commanded spark retard during catalyst heating< 90.0%
  • catalyst heating active
  • idle speed not active
  • vehicle speed>= 3 mph
  • delta engine load<= 49.99%
  • delta engine speed<= 1000 rpm
 0.5 Sec
  • Once
  • 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.
  • difference between engine-off-time and ECM after-run time< -12.0 Sec
  • difference between engine-off-time and ECM after-run time> 12.0 Sec
  • key-on after ECM after-run time active
  • CAN active
 6 Sec
  • Once
  • 2 DCY

Fuel and air mixture, additional emissions regulations 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
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
  • Ignition, Off
  • Runner flaps, Commanded closed
  • Position sensor, No DTC
  • Actuator, No DTC
  • Ignition, Off
  • 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 4.7 ••• 5.4 V
  • ECM power stage failure
  • 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 0...3.26 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
  • Continuous
  • 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 .
  • difference between target position vs. actual position> 25.00 %
  • AND
  • actual position 0...100%
  • difference between target position vs. actual position> 25.00 %
  • AND
  • actual position 0...100%
  • difference between target position vs. actual position> 25.00%
  • actual position NOT (0...100)%
  • flap commanded on
  • adaptation ready
  • flap off
  • adaptation ready
  • adaptation ready
  • 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, < 0.25V --- 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, CHECKING . Signal voltage, <0.0...3.25 V
  • camshaft valve off
  • Engine speed, >80 RPM
 0.5 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, CHECKING . Signal current, > 2.20 A
  • camshaft valve on
  • Engine speed, >80 RPM
 0.5 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 ••• 850° C
  • exhaust gas mass flow 18 ••• 300 kg/h
  • lambda control, closed loop
  • 2nd lambda control closed loop
  • O2S rear, ready, no fault
  • O2S front, ready, no fault
  • exhaust gas mass flow 18 ••• 300 kgh
  • O2S heater front active
  • O2S heater rear active
  • modeled exhaust gas temp. 450...850° C
  • fuel cut off not active
  • catalyst heating not active
  • AIR not active
  • Case 1: 1st lambda control loop not at min or max limit
  • 2nd lambda control loop active
  • Case 2: 1st lambda control loop at min limit
  • O2S front < 1.0
  • O2S rear voltage < 0.4V
  • Case 3: 1st lambda control loop at max limit
  • O2S front> 1.0
  • O2S rear voltage> 0.6V
 272 Sec
  • Continuous
  • 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
  • lambda control, closed loop
  • O2S rear, ready, no fault
  • O2S front, ready, no fault
  • exhaust gas mass flow 18 ••• 300 kgh
  • O2S heater front active
  • O2S heater rear active
  • modeled exhaust gas temp. 450...850° C
  • fuel cut off not active
  • catalyst heating not active
  • AIR not active
 272 Sec
  • Continuous
  • 2 DCY

Fuel and air ratio 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2101 Throttle Actuator Control Motor Circuit Range/Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • duty cycle > 80%
  • ECM power stage no failure
 ---
  • 5 Sec
  • multiple
  • 2 DCY
P2101 rationality check -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . deviation throttle value angles vs. calculated value > 4.00...50.00% ---
  • 0.5 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 failed
 --- 0.5 Sec
  • multiple
  • 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
  • duty cycle> 80%
  • deviation throttle value angles vs. calculated value> 4.00...50.00%
 0.5 Sec
  • multiple
  • 2 DCY
P2106 temperature / current monitoring -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • internal check failed
 --- 0.5 Sec
  • multiple
  • 2 DCY
P2106 functional check -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • internal check failed
 --- 0.5 Sec
  • multiple
  • 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 < 0.61 V --- 0.50 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 > 4.79 V --- 0.50 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 < 0.27 V --- 0.5 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 > 2.43 V --- 0.5 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, 0.17...0.70 V
  • signal voltage sensor 1> 445 mV
  • signal voltage sensor 2> 445 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
core connection (high side - low side)
  • signal current< 2.60 A
  • Engine speed >80 RPM
 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< 2.60A
core connection (high side - low side)
  • signal current< 2.60A
  • Engine speed >80 RPM
  • Engine speed >80 RPM
  • low side signal current> 2.70 A
  • Engine speed >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P2177 Fuel System -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . adaptive value > 26.00%
  • number of injection after engine start> 1500
  • engine speed 1240...5000 RPM
  • engine load 26.2...139.6%
  • ECT> 60° C
  • ratio manifold pressure to ambient pressure> 0.20
  • OR valve overlap< 20.00° CRK
  • lambda control closed loop
  • evap purge valve closed
  • high PCV purge load due to oil dilution not detected
 10 Sec
  • Continuous
  • 2 DCY
P2178 Fuel System -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . adaptive value < 26.00%
  • number of injection after engine start> 1500
  • engine speed 1240...5000 RPM
  • engine load 26.2...139.6%
  • ECT> 60° C
  • ratio manifold pressure to ambient pressure> 0.20
  • OR valve overlap< 20.00° CRK
  • lambda control closed loop
  • evap purge valve closed
  • high PCV purge load due to oil dilution not detected
 10 Sec
  • Continuous
  • 2 DCY
P2181 Cooling System Performance -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .-- Check the Coolant Pump -V50- Refer to the appropriate service information.-- Check the Coolant Thermostat. Refer to the appropriate service information.
  • cooling system temperature to low after a sufficient air mass flow integral< 74...84° C
  • begin of air mass integration when engine temp. 30° C
  • ECT at start, lower threshold, -7° C
  • ECT at start, upper threshold, -64° C
  • AAT -7.0...3004° C
  • integrated air mass > 6.85 ••• 29.5 kg
  • delta ambient pressure, <1.7 kPa
  • at time of fault decision:
  • average mass air flow lower threshold >= 25.6 ••• 96 kg/h
  • average mass air flow upper threshold >= 48.4...164.8 kg/h
  • average vehicle speed (lower threshold) 21...23 MPH
  • average vehicle speed (upper threshold) 75 MPH
  • fuel cut off not active
 < 128y 0 Sec
  • once/DCY
  • 2 DCY
P2184 Fan Control Coolant Temperature Sensor   ECT outlet> 141° C --- 2 Sec
  • Continuous
  • 2 DCY
P2185 Fan Control Coolant Temperature Sensor   ECT outlet< -43° C --- 2 Sec
  • Continuous
  • 2 DCY
P2187 Fuel System -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . adaptive value > 6.00%
  • number of injection after engine start> 1500
  • engine speed< 560 ••• 960 RPM
  • engine load< 5.9 ••• 22.4%
  • mass air flow (n.a. for Audi TT)< 5...23 kg/h
  • ECT> 60° C
  • ratio manifold pressure to ambient pressure> 0.20
  • OR valve overlap< 20.00° CRK
  • delta part load adaptation ready
  • lambda control closed loop
  • evap purge valve closed
  • high PCV purge load due to oil dilution not detected
 10 Sec
  • Continuous
  • 2 DCY
P2188 Fuel System -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . adaptive value < 6.00%
  • number of injection after engine start> 1500
  • engine speed< 560 ••• 960 RPM
  • engine load< 5.9 ••• 22.4%
  • mass air flow (n.a. for Audi TT)< 5...23 kg/h
  • ECT> 60° C
  • ratio manifold pressure to ambient pressure> 0.20
  • OR valve overlap< 20.00° CRK
  • delta part load adaptation ready
  • lambda control closed loop
  • evap purge valve closed
  • high PCV purge load due to oil dilution not detected
 10 Sec
  • Continuous
  • 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 ••• 850° C
  • exhaust gas mass flow18 ••• 300 kg/h
  • lambda control, closed loop
  • 2nd lambda control closed loop
  • O2S rear, ready, no fault
  • O2S front, ready, no fault
  • exhaust gas mass flow18 ••• 300 kgh
  • O2S heater front active
  • O2S heater rear active
  • modeled exhaust gas temp. 450...850° C
  • fuel cut off not active
  • catalyst heating not active
  • AIR not active
  • Case 1: 1st lambda control loop not at min or max limit
  • 2nd lambda control loop active
  • Case 2: 1st lambda control loop at min limit
  • O2S front< 1.0
  • O2S rear voltage< 0.4V
  • Case 3: 1st lambda control loop at max limit
  • O2S front> 1.0
  • O2S rear voltage> 0.6V
  • 272 Sec
  • Continuous
  • 2 DCY
P2196 O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • delta lambda of 2nd lambda control loop< 0.070
  • modeled exhaust gas temp.450 ••• 850° C
  • exhaust gas mass flow18 ••• 300 kg/h
  • lambda control, closed loop
  • 2nd lambda control closed loop
  • O2S rear, ready, no fault
  • O2S front, ready, no fault
  • exhaust gas mass flow18 ••• 300 kgh
  • O2S heater front active
  • O2S heater rear active
  • modeled exhaust gas temp. 450...850° C
  • fuel cut off not active
  • catalyst heating not active
  • AIR 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 < 0.4V
  • Case 3: 1st lambda control loop at max limit
  • O2S front> 1.0
  • O2S rear voltage> 0.6V
  • 272 Sec
  • Continuous
  • 2 DCY
P2231 O2 Sensor Signal Circuit Shorted to Heater Circuit -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR O2S HEATER, CHECKING . Delta O2S signal front, >190 uA
  • Engine speed, < 2700 RPM
  • heater control active
  • heater duty cycle, 20.0...80.0%
  • exhaust gas temp, < 800° C
  • lambda control closed loop
  • lambda, 0.95...1.05
 20 Sec
  • Continuous
  • 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 .
  • O2S signal front O2S signal front 1.49... 1.51 V
  • O2S ceramic temp, >715° C
  • Lambda control, Closed loop
  • lambda modulation> 0.00
  • heater control closed loop
  • 8 Sec
  • multiple
  • 2 DCY
P0442 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
  • Heater control, active sec.
 20 Sec
  • multiple
  • 2 DCY
P0567 Air pump relay. short to grand. 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
P0568 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 3 -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. OXYGEN SENSOR 3 BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING 
  • Rationality check, O2S signal rear, <0.63 V.
  • enrichment after stuck lean 27.88%
  • mass air flow, 18...150 kg/h
  • O2S rear readiness,>10 Sec
  • modeled exhaust gas temp. >350° C
  • 2nd lambda control closed loop
 95 Sec
  • once
  • 2 DCY
P2271 O2 Circuit (Bank 1, Sensor 3 -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. OXYGEN SENSOR 3 BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING 
  • sensor voltage of>= 0.18 V
  • after oxygen mass flow (after fuel cut off)> 3500 ••• 6000 mg
  • number of checks>= 1.0
  • time after last fuel cut off>= 20.0 Sec
  • O2S rear ready
  • exhaust temperature at sensor>= 340° C
  • deviation between expected and measured front O2-sensor lambda signal < 6.00
  • after time since fuel cut off at first cylinder>= 1.5
  • oscillation check ready
  • exhaust mass flow> 8.00 kg/h
  • exhaust mass flow dynamic within range-250.00...150.00kg/h
  • sensor voltage at start of measurement> 0.52 V
  • time of fuel cut off<= 90 Sec
 10 Sec
  • multiple
  • 2 DCY
P2274 O2 Circuit Slow Response (Bank 1, Sensor 3 -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. OXYGEN SENSOR 3 BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING  Rationality check, O2S signal rear, <0.620...0.654 mV
  • mass air flow, >25 kg/h
  • O2S rear readiness, >10 Sec
  • modeled exhaust gas temp. >350° C
 100 Sec
  • 2 DCY
P2275 O2 Circuit Slow Response (Bank 1, Sensor 3 -- Check the Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G287-. OXYGEN SENSOR 3 BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING 
  • measurement range from fuel cut-off to voltage threshold, <=152.3 mV
  • number of checks (initial phase), >=1
  • ULEV
  • O2S signal rear,> 0.620...0.654 mV
  • rich voltage, >=547.9 mV
  • lean voltage <=152.3 mV
  • OR
  • Max O2 mass flow (disable), >=5500 mg
  • O2S rear, ready
  • fuel cut-off, active
  • front O2 sensor, lambda signal, >10.00
  • modeled exhaust gas temp. >400° C
  • exhaust gas mass flow, >25.0 kg/h
  • rear O2 sensor internal resistance, <=131 KΩ (4.6KΩ for SULEV)
  • or resistance measurement, ready
  • front O2 sensor, sensor cross change, no fault
  • rear O2 sensor heater, wires and oscillating check, no fault
  • purge valve, no fault
  • ULEV
  • mass air flow, >25 kg/h
  • O2S rear readiness, >10 Sec
  • modeled exhaust gas temp. > 350° C
  • fuel cut-off > 3 Sec
  • 0.5 Sec
  • 100 Sec
  • 2 DCY
  • 2 DCY
P2279 Intake air system leak -- Check the Intake Air Temperature (IAT) Sensor -G42- Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING 
  • threshold to detect a defective system >1.33
  • AND
  • ratio of the tie system defective during the measurement window to the whole duration of the measurement window >0.60
  • offset value throttle mass flow> 7.50 kg/h
  • and
  • correction factor> 0.97
  • time after engine start >60.0 Sec
  • engine load < 40.1%
  • mass air flow < 6553.50 kg/h
  • ECT > 50° C
  • IAT <99.80° C
  • lambda control value > 5%
  • lambda set value 0.95...1.05
  • vehicle speed < 1.0 MPH
  • lambda control active
  • engine speed idle
  • altitude <2700 m
  • purge valve closed
  • number of checks 3
  • desired mass flow 2.00...22.00 kg/h
  • ECT -48.0•••143.3° C
  • ambient pressure > 728 hPa
  • evap purge valve closed
  • EGR off
  • 20 Sec
  • 2.0 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, < 2 mPa
  • difference between target pressure vs. actual pressure> 2 mPa
  • time after engine start, > 10.0 Sec
time after fuel cut off > 2 Sec
  • time after engine start, > 10.0 Sec
  • fuel cut off not active
  • for Audi TT: 4 Sec
  • 3 Sec
  • continuous
  • 2 DCY
  • 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 1.4... 3.20 V
  • Fuel control valve commanded off
  • Fuel pump, Commanded on
 0.6 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 0.6 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 . signal voltage < 1.4... 3.20 V
  • Fuel control valve, commanded off
 0.6 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
 0.6 Sec
  • continuous
  • 2 DCY

Ignition System 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2300 Ignition Coil A Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage -N70-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • signal current > 24.0 mA V
  • Engine speed, > 680 RPM
 2 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 voltage> 5.1...7.0 V
  • Engine speed, > 680 RPM
 2 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 voltage< 0.5.. 1.0 V
  • signal current > 24.0 mA V
 2 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 voltage> 5.2...6.0 V
  • Engine speed, > 680 RPM
 2 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 voltage< 0.5.. 1.0 V
  • signal current > 24.0 mA V
 2 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> 5.2...6.0 V
  • Engine speed, > 680 RPM
 2 Sec
  • 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 voltage< 0.5.. 1.0 V
  • Engine speed, > 680 RPM
 2 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 V
  • Engine speed, > 680 RPM
 2 Sec
  • continuous
  • 2 DCY

Additional emission regulations 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2400 Evaporative Emission System Leak Detection Pump Control Circuit/Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Signal 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
  • preceding engine shut-off time> 21600 Sec
  • Time after engine start> 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • IAT 4...59° C
  • integrated purge flow> 12 g
  • vehicle speed ones > 25 MPH
  • Altitude, < 2700 m
  • Evap purge valve ready
  • LDP, commanded off
  • selected gear any drive
  • IAT drop after engine start, < 7.5° C
 0.5 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 .
  • > 0.36 Sec
  • preceding engine shut-off time> 21600 Sec
  • Time after engine start> 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 3.8...50.3° C
  • IAT 4...59° C
  • integrated purge flow> 12 g
  • vehicle speed ones > 25 MPH
  • Altitude, < 2700 m
  • Evap purge valve ready
  • LDP, commanded off
  • selected gear any drive
  • IAT drop after engine start, < 7.5° C
 0.5 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 2.50...3.10 V Depending on gain factor, that actual is used for sensor characteristic, the threshold is switched
  • lambda set value, <1.6
  • O2S ceramic temp., > 715° C
  • heater control closed loop
  • fuel cut off not active
  • if low fuel signal then wait, > 120.00 Sec
  • 20 Sec
  • continuous
  • 2 DCY
P2431 rationality check Check the Secondary Air System. Refer to the 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 the appropriate service information. signal voltage, <.40 V --- 0.50 Sec
  • Continuous
  • 2 DCY
P2433 signal range check Check the Secondary Air System. Refer to the appropriate service information. signal voltage, > 4.65 V --- 0.50 Sec
  • Continuous
  • 2 DCY
P2440 system check after SAI Check the Secondary Air System. Refer to the appropriate service information. SAI pressure measured with SAI pressure sensor vs modeled while SAI valve closed. < 0.55%
  • ECT, 5...39° C
  • IAT, 5...40° C
  • altitude, < 2700 m
  • 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
  • continuous
  • 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
  • continuous
  • 2 DCY
P2568 RIS Sensor wrong signal PZEV only -- Check the Radiator Identification Sensor -G611-.
  • Signal of sensor mismatched with radiator
  • OR
  • measured temp. gradients during 3 measure windows always, <0.25 K/2s
  • engine speed >400 RPM
  • ECT @ engine start -35.3° C
OR
  • ECT >97.5° C
  • time required >360 Sec
  • ambient air temp, >9.75° C
  • number of measure windows, 3
Case 1 conditions for temp. gradient expectation event:
  • engine speed <900 RPM
  • vehicle speed <1.25 km/h
  • idle, active
  • time required, >25 Sec
THEN
  • delta mass air flow, >100 kg/h
  • delta engine speed, >1000 RPM
  • integrated delta mass air flow and engine speed, >17kg*RPM
  • within time, < 8 Sec
 250 Sec
  • Once/DCY
  • 2 DCY
P2569 RIS Sensor signal low PZEV only -- Check the Radiator Identification Sensor -G611-. Signal voltage < 0.2 V --- 2 Sec
  • Continuous
  • 2 DCY
P2570 RIS Sensor signal always high PZEV only -- Check the Radiator Identification Sensor -G611-. Signal voltage > 5.0 V --- 2 Sec
  • Continuous
  • 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, < 700° C
  • O2S ceramic temp, > 715° C
  • heater control closed loop
  • Fuel cut off, Active
  • if low fuel signal then wait> 120.0 Sec
  • 2 Sec
  • multiple
  • 2 DCY

Fuel and air mixture, additional emissions regulations 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P3081 Engine Temperature Too Low -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING . Difference between ECT and modeled ECT > 9.8K reference temperature < 71° C 1300 Sec
  • once
  • 2 DCY

Control module and output signals 

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
U0001 High Speed CAN Communication Bus -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN message, No feedback
  • time after ignition on 500 ms
 .25 Sec
  • Continuous
  • 2 DCY
U0002 High Speed CAN Communication Bus -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . Global time out-receiving no message
  • time after ignition on 500 ms
 .45 Sec
  • Continuous
  • 2 DCY
U1000 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 ---
U1000 Lost Communication with TCM -- Check the CAN-Bus terminal resistance, Direct Shift Gearbox (DIG) Mechatronic -J743- to Motronic Engine Control Module (ECM) - J623-. Refer to TCM TO ECM CAN BUS TERMINAL RESISTANCE, CHECKING .
  • received CAN message no message
  • time after ignition on 500ms
 0.50 m Sec Sec
  • Continuous
  • 2 DCY
U0121 CAN ABS brake unit -- Check the CAN-Bus terminal resistance. Refer to TCM TO ECM CAN BUS TERMINAL RESISTANCE, CHECKING . CAN communication with brake unit, time-out
  • time after ignition on, 500 mSec
  • low value, low voltage, 9 V
  • high value, low voltage, 9.5 V
  • low value, high voltage, 16.0 V
  • high value, high voltage, 16.5 V
 500 mSec
  • 2 DCY
U0146 CAN gateway A -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN communication with gateway, time-out --- 0.50 Sec
  • 2 DCY
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 on 500 ms time after ignition on 500 mSec
  • Continuous
  • 2 DCY
U0302 Software Incompatibility with Transmission Control Module -- Replace the Direct Shift Gearbox (DIG) Mechatronic -J743-. Refer to the appropriate service information. AT vehicle ECM coded as MT vehicle time after ignition on 500ms 5000 mSec
  • Continuous
  • 2 DCY
U0323 CAN: Instrument cluster Audi only -- Check the CAN-Bus terminal resistance. Refer to CAN BUS INSTRUMENT CLUSTER TO DATA BUS OBD INTERFACE, CHECKING . ambient temp value module not encoded for ambient temp sensor, 00h
  • key on
  • status ambient temp from instrument cluster, no fault
 2 Sec
  • Continuous
  • 2 DCY
U0402 CAN communication with TCM -- Check the CAN-Bus terminal resistance, Selector Lever -E313- to Motronic Engine Control Module (ECM) - J623- received data implausible message time after ignition on 500ms 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.
  • received data implausible message
  • time after ignition on 500 mSec
  • 400 mSec
  • continuous
  • 2 DCY
U0422 CAN: Instrument cluster -- Check the CAN-Bus terminal resistance. Refer to CAN BUS INSTRUMENT CLUSTER TO DATA BUS OBD INTERFACE, CHECKING . ambient temp. value (initialization), Audi, 01h
  • key on
  • status ambient temp from instrument cluster no fault
  • electrical check ambient temp. sensor, no fault
 2.0 Sec
  • multiple
  • 2 DCY
U0423 CAN: Instrument cluster -- Check the CAN-Bus terminal resistance. Refer to CAN BUS INSTRUMENT CLUSTER TO DATA BUS OBD INTERFACE, CHECKING .
  • received data implausible message
  • ambient temperature value (initialization) 01h
  • time after ignition on 500 mSec
  • key on
  • status ambient temperature from instrument cluster-no fault
  • electrical check ambient temperature sensor no fault
  • 3000 mSec
  • 3.0 sec
  • Continuous
  • 2 DCY
U0447 CAN gateway -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN message, incorrect --- 0.50 Sec
  • Continuous
  • 2 DCY
U1030 LIN Communication -- Check the Lin-Bus. not active --- 0.50 Sec
  • Continuous
  • 2 DCY
U102F LIN Communication -- Check the Lin-Bus. time out --- 0.50 Sec
  • Continuous
  • 2 DCY
U102E LIN Communication -- Check the Lin-Bus. LIN message, incorrect --- 0.50 Sec
  • Continuous
  • 2 DCY
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