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Engine Control Module --, 2017 MY

DTC / Description Monitor Strategy Description Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length MIL Illumination Component Diagnostic Procedure
P000A  "A" Camshaft Position Slow Response Bank 1 Variable Valve Timing (VVT) Intake Actuator Slow Response
  • Difference between target position vs. actual position > 8.0° CRK
  • For time > 1.3 - 2.9 s
  • And
  • Adjustment angle >= 2.50° CRK
  • Time after engine start > 3.0 - 10.0 s
  • Engine speed 600 - 6, 000 RPM
  • Modeled oil temperature -48 - 143° C
  • Frequency (normal operation) 4 times
  • 14.0 s
  • Multiple
  • 2 DCY
 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 - N205-, CHECKING .
P0010 "A" Camshaft Position Actuator "A" Control Circuit/Open Bank 1 Variable Valve Timing (VVT) Intake Actuator Open Circuit
  • Signal voltage 4.70 - 5.40 V
  • Camshaft actuator solenoid valve commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 - N205-, CHECKING .
P0011  "A" Camshaft Position - Timing Over-Advanced or System Performance Bank 1 Variable Valve Timing (VVT) Intake Actuator Target Error
  • Difference between target position vs. actual position > 8.0° CRK
  • For time > 1.3 - 2.9 s
  • And
  • Adjustment angle < 2.50 ° CRK
  • Time after engine start > 3.0 - 10.0 s
  • Engine speed 600 - 6, 000 RPM
  • Modeled oil temperature -48 - 143° C
  • Frequency (normal operation) 4 times
  • 14.0 s
  • Multiple
  • 2 DCY
 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 - N205-, CHECKING .
P0016 Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A Camshaft Position (CMP) Intake Sensor Angular Offset Check
  • Permissible deviation < -11.01° CRK
  • Or
  • Permissible deviation > 11.01° CRK
  
  • 20 rev
  • Multiple
  • 2 DCY
 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 - N205-, CHECKING .
-- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .
P0030 HO2S Heater Control Circuit Bank 1 Sensor 1 Oxygen Sensors (O2S) Heater Front Open Circuit
  • Signal voltage 4.70 - 5.40 V
  • Time after engine start > 5.0 s
  • O2S heater front commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0031 HO2S Heater Control Circuit Low Bank 1 Sensor 1 Oxygen Sensors (O2S) Heater Front Short To Ground
  • Signal voltage 0.0 - 3.26 V
  • Time after engine start > 5.0 s
  • O2S heater front commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0032 HO2S Heater Control Circuit High Bank 1 Sensor 1 Oxygen Sensors (O2S) Heater Front Short To Battery Plus
  • Signal current driver stage internal value
  • Time after engine start > 5.0 s
  • O2S heater front commanded on
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0036 HO2S Heater Control Circuit Bank 1 Sensor 2 Oxygen Sensors (O2S) Heater Rear Open Circuit
  • Signal voltage 4.70 - 5.40 V
  • Engine speed > 80 RPM
  • O2S heater rear commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P0037 HO2S Heater Control Circuit Low Bank 1 Sensor 2 Oxygen Sensors (O2S) Heater Rear Short To Ground
  • Signal voltage < 2.74 - 3.26 V
  • Engine speed >= 80 RPM
  • O2S heater rear commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P0038 HO2S Heater Control Circuit High Bank 1 Sensor 2 Oxygen Sensors (O2S) Heater Rear Short To Battery Plus
  • Signal current driver stage internal value
  • Engine speed >= 80 RPM
  • O2S heater rear commanded on
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P0068 MAP/MAF - Throttle Position Correlation Intake Air (IA) System Load Survey Below Threshold
  • Plausibility with fuel system
  • Load calculation < -22.0%
  • Engine speed 1, 240 - 6, 000 RPM
  • ECT @ cylinder block > 63° C
  • IAT @ manifold < 90° C
  • Mass air flow 0.0 - 3, 000.0 kg/h
  • Ratio manifold pressure to barometric pressure < 0.85 [-]
  • Evap purge valve closed
  • Lambda control closed loop
  • 29.8 s
  • Multiple
  • 2 DCY
 -- Check the Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
-- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
Intake Air (IA) System Load Survey Above Threshold
  • Plausibility with fuel system
  • Load calculation > 22.0%
P0070 Ambient Air Temperature Sensor Circuit "A" COM: Ambient Air Temperature (AAT) Sensor Communication With AAT Sensor
  • AAT signal: short to battery / open circuit failure
  • Time after ignition on > 2.0 s
  • 1.0 s
  • Continuous
  • 2 DCY
 -- Check the Outside Air Temperature Sensor -G17-. Refer to appropriate repair information.
P0071 Ambient Air Temperature Sensor Circuit "A" Range/Performance Ambient Air Temperature (AAT) Sensor Cross Check
  • Diff. between ECT @ cylinder block and IAT @ manifold @ start (depending on engine off time) < 24.8 K
  • And
  • Diff. between IAT @ manifold and AAT @ start (depending on engine off time) > 24.8 K
  • And
  • Diff. between AAT and ECT @ cylinder block @ start (depending on engine off time) > 24.8 K
  • Engine off time > 5.0 h
  • Blockheater
  • ECT @ cylinder block @ start < 1.5 K
  • Minus
  • ECT @ condition:
  • Time after engine start 60.0 s
  • Solar radiation case 1:
  • AAT @ start <= 3.0 K
  • Minus
  • AAT @ condition:
  • Vehicle speed > 25 mph
  • For time > 10.0 s
  • Solar radiation case 2:
  • IAT @ manifold @ start <= 3.0 K
  • Minus
  • IAT @ condition:
  • Vehicle speed > 25 mph
  • For time > 10.0 s
  • 0.0 s
  • Once / DCY
  • 2 DCY
 -- Check the Outside Air Temperature Sensor -G17-. Refer to appropriate repair information.
P0072 Ambient Air Temperature Sensor Circuit "A" Low COM: Ambient Air Temperature (AAT) Sensor Communication With AAT Sensor
  • AAT signal: short to ground failure
  • Time after ignition on > 2.0 s
  • 1.0 s
  • Continuous
  • 2 DCY
 -- Check the Outside Air Temperature Sensor -G17-. Refer to appropriate repair information.
P0087 Fuel Rail/System Pressure - Too Low Bank 1 Fuel Volume Regulator Control Functional Check: Stuck Open
  • Pressure control activity > 2.0 MPa
  • And
  • Fuel trim activity 0.90 - 1.15 [-]
  • And
  • Difference between target pressure vs. actual pressure > -16.38 MPa
  • Engine speed 2, 000 - 4, 000 RPM
  • Engine load not calibrated %
  • Evap purge adaptation < 22.0 [-]
  • ECT @ cylinder block >= 63° C
  • IAT @ manifold < 90° C
  • Fuel cut off not active
  • Lambda control closed loop
  • 5.0 s
  • Multiple
  • 2 DCY
 -- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
P0100 Mass or Volume Air Flow Sensor "A" Circuit Mass Air Flow (MAF) Sensor Internal Check
  • MAF sensor signal 0 μs
  • Engine speed > 20 RPM
  • 0.2 s
  • Continuous
  • 2 DCY
 -- Check the Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0101 Mass or Volume Air Flow Sensor "A" Circuit Range/Performance Mass Air Flow (MAF) Sensor Rationality Check Mass Air Flow
  • Mass air flow vs. lower threshold model < 0 - 400 kg/h
  • Camshaft revolutions > 150.0 [-]
  • Time after engine start > 0.3 s
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
  • Mass air flow vs. upper threshold model > 60 - 800 kg/h
Rationality Check Load Survey
  • Load calculation > 18.0%
  • And
  • Fuel system (mult.) < -17.0%
  • Engine speed 1, 240 - 6, 000 RPM
  • ECT @ cylinder block > 63° C
  • IAT @ manifold < 90° C
  • Mass air flow 0 - 300 kg/h
  • Engine load 20 - 144%
  • Ratio manifold pressure to barometric pressure < 0.85 [-]
  • Evap purge valve closed
  • Lambda control closed loop
  • Load calculation < -18.0%
  • And
  • Fuel system (mult.) > 17.0%
P0102 Mass or Volume Air Flow Sensor "A" Circuit Low Mass Air Flow (MAF) Sensor Out Of Range Low
  • MAF sensor signal < 66 μs
  • Engine speed > 20 RPM
  • 0.2 s
  • Continuous
  • 2 DCY
 -- Check the Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0103 Mass or Volume Air Flow Sensor "A" Circuit High Mass Air Flow (MAF) Sensor Out Of Range High
  • MAF sensor signal > 4, 500 μs
  • Engine speed > 20 RPM
  • 0.2 s
  • Continuous
  • 2 DCY
 -- Check the Mass Airflow Sensor -G70-. Refer to Mass Airflow Sensor - G70-, CHECKING .
P0111 Intake Air Temperature Sensor 1 Circuit Range/Performance Bank 1 Intake Air Temperature (IAT) Sensor Cross Check
  • Diff. between ECT @ cylinder block and IAT @ manifold @ start (depending on engine off time) > 24.8 K
  • And
  • Diff. between IAT @ manifold and AAT @ start (depending on engine off time) > 24.8 K
  • And
  • Diff. between AAT and ECT @ cylinder block @ start (depending on engine off time) < 24.8 K
  • Engine off time > 5.0 h
  • Blockheater
  • ECT @ cylinder block @ start < 1.5 K
  • Minus
  • ECT @ condition:
  • Time after engine start 60.0 s
  • Solar radiation case 1:
  • AAT @ start <= 3.0 K
  • Minus
  • AAT @ condition:
  • Vehicle speed > 25 mph
  • For time > 10.0 s
  • Solar radiation case 2:
  • IAT @ manifold @ start
  • Minus
  • IAT @ condition:
  • Vehicle speed > 25 mph
  • For time > 10.0 s
  • 0.0 s
  • Once / DCY
  • 2 DCY
 -- Check the Intake Air Temperature Sensor -G42-. Refer to Intake Air Temperature Sensor - G42-, CHECKING .
P0112 Intake Air Temperature Sensor 1 Circuit Low Bank 1 Intake Air Temperature (IAT) Sensor Short To Ground
  • IAT > 141° C
  
  • 2.0 s
  • Multiple
  • 2 DCY
 -- Check the Intake Air Temperature Sensor -G42-. Refer to Intake Air Temperature Sensor - G42-, CHECKING .
P0113 Intake Air Temperature Sensor 1 Circuit High Bank 1 Intake Air Temperature (IAT) Sensor Short To Battery / Open Circuit
  • IAT < -46° C
  
  • 2.0 s
  • Multiple
  • 2 DCY
 -- Check the Intake Air Temperature Sensor -G42-. Refer to Intake Air Temperature Sensor - G42-, CHECKING .
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance Engine Coolant Temperature (ECT) Sensor Cross Check
  • Diff. between ECT @ cylinder block and IAT @ manifold @ start (depending on engine off time) > 24.8 K
  • And
  • Diff. between IAT @ manifold and AAT @ start (depending on engine off time) < 24.8 K
  • And
  • Diff. between AAT and ECT @ cylinder block @ start (depending on engine off time) > 24.8 K
  • Engine off time > 5.0 h
  • Blockheater
  • ECT @ cylinder block @ start < 1.5 K
  • Minus
  • ECT @ condition:
  • Time after engine start 60.0 s
  • Solar radiation case 1:
  • AAT @ start <= 3.0 K
  • Minus
  • AAT @ condition:
  • Vehicle speed > 25 mph
  • For time > 10.0 s
  • Solar radiation case 2:
  • IAT @ manifold @ start <= 3.0 K
  • Minus
  • IAT @ condition:
  • Vehicle speed > 25 mph
  • For time > 10.0 s
  • 0.0 s
  • Once / DCY
  • 2 DCY
 -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor - G62-, CHECKING .
Engine Coolant Temperature (ECT) Sensor @ Cylinder Block Stuck High / Low - No Change On Signal
  • Diff. between max. ECT @ cylinder block and min. ECT @ cylinder block < 1.5 K
  • ECT @ cylinder block @ start 50 - 140° C
  • Without 88.5 - 109.5° C
  • Substitute ECT > -48° C
  • Driving condition H:
  • Vehicle speed 31 - 93 mph
  • Mass air flow (lower threshold) 28.0 - 84.0 kg/h
  • Mass air flow (upper threshold) 100.0 - 280.0 kg/h
  • Or
  • Fuel cut off active
  • For
  • Time required > 40.0 s
  • Frequency 1 times
  • Driving condition L:
  • Vehicle speed 0 - 12 mph
  • Mass air flow (lower threshold) 4.0 kg/h
  • Mass air flow (upper threshold) 28.0 - 40.0 kg/h
  • For
  • Time required > 10.0 s
  • Frequency 3 times
  • 72.0 s
  • Once / DCY
Engine Coolant Temperature (ECT) Sensor @ Cylinder Block Stuck In Range
  • ECT @ start >= 89° C
  • And
  • ECT @ start <= 110° C
  • Engine off time > 3, 600.0 - 25, 200.0 s
  • 2.0 s
  • Once / DCY
P0117 Engine Coolant Temperature Sensor 1 Circuit Low Engine Coolant Temperature (ECT) Sensor @ Cylinder Block Short To Ground
  • ECT @ cylinder block > 140° C
  
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor - G62-, CHECKING .
-- Check the engine coolant thermostat. Refer to appropriate repair information.
P0118 Engine Coolant Temperature Sensor 1 Circuit High Engine Coolant Temperature (ECT) Sensor @ Cylinder Block Short To Battery / Open Circuit
  • ECT @ cylinder block < -40° C
  
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor - G62-, CHECKING .-- Check the engine coolant thermostat. Refer to appropriate repair information.
P0121 Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Throttle Position Sensor (TPS) Rationality Check
  • TPS1 - TPS2 > 5.10 - 6.30%
  • And
  • Actual TPS1 - calc. value > actual TPS2 - calc. value
  • Or
  • TPS1 - calc. value > 9.0%
  • Engine speed > 480 RPM
  • 0.3 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P0122 Throttle/Pedal Position Sensor/Switch "A" Circuit Low Throttle Position Sensor (TPS) Out Of Range Low
  • Signal voltage < 0.20 V
  
  • 0.1 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High Throttle Position Sensor (TPS) Out Of Range High
  • Signal voltage > 4.81 V
  
  • 0.1 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P0130 O2 Sensor Circuit Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Out Of Range
  • O2S ceramic temp. < 640° C
  • Modeled exhaust gas temp. > 300° C
  • Fuel cut off not active
  • 12.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0131 O2 Sensor Circuit Low Voltage Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Signal Range Check
  • Short to ground
  • Virtual mass (VM) < 1.75 V
  • Or
  • Nernst voltage (UN) < 1.50 V
  • Or
  • Adjustment voltage (IA) < 0.30 V
  • Or
  • Adjustment voltage (IP) < 0.30 V
  
  • 10.0 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0132 O2 Sensor Circuit High Voltage Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Signal Range Check
  • Short to battery
  • Virtual mass (VM) > 3.25 V
  • Or
  • Nernst voltage (UN) > 4.40 V
  • Or
  • Adjustment voltage (IA) > 7.0 V
  • Or
  • Adjustment voltage (IP) > 7.0 V
  
  • 10.0 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0133  O2 Sensor Circuit Slow Response Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Response Rate Monitoring, Area Ratio And Gradient Ratio
  • Symmetric fault:
  • Difference of R2L area ratio vs. L2R area ratio -0.40 - 0.40 [-]
  • Max value of both counters for area ratio R2L and L2R >= 5 times
  • Delay time:
  • Gradient ratio >= 0.0 [-]
  • Lower value of both area ratios R2L and L2R < 0.30 [-]
  • Transient time:
  • Gradient ratio >= 0.0 [-]
  • Gradient ratio <= 0.55 [-]
  • Lower value of both area ratios R2L and L2R < 0.30 [-]
  • Or
  • Lower value of both gradient ratios R2L and L2R < 0.0 [-]
  • Asymmetric fault:
  • Difference of R2L area ratio vs. L2R area ratio < -0.40; > 0.40 [-]
  • Values of both counters for area ratio R2L and L2R >= 5 times
  • Delay time:
  • Gradient ratio >= 0.0 [-]
  • Lower value of both area ratios R2L and L2R < 0.30 [-]
  • Transient time:
  • Gradient ratio >= 0.00 [-]
  • Gradient ratio <= 0.55 [-]
  • Lower value of both area ratios R2L and L2R < 0.30 [-]
  • Or
  • Lower value of both gradient ratios R2L and L2R < 0.0 [-]
  • O2S front - min. operation temperature is reached > 720° C
  • O2S front - time since operation readiness > 30.0 s
  • Engine speed 1, 120 - 3, 000 RPM
  • Engine load 25.01 - 100.01%
  • Gradient of engine load <= 12.0%
  • Exhaust system lag time calculation 0.0 - 0.2 s
  • Gradient of exhaust system lag time calculation <= 0.05 s
  • Heat supply n.a.
  • ECT @ cylinder block >= 35.3° C
  • Catalyst temperature >= 460° C
  • Lambda control set-point prior to diagnostic fuel steps A/F-Ratio stoichiometric
  • Relative fuel amount from wall applied compensation and evap purge <= 0.10 [-]
  • Time since last measurement > 3.0 s
  • Gear shifting n.a.
  • Evap purge not active
  • Or
  • Evap purge > 3.0 g
  • 1st lambda control loop active
  • For time > 2.0 s
  • 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
  • Exhaust gas mass after end of scavenging > n.a. g
  • Only Flex fuel systems without ethanol sensor:
  • Ethanol concentration adaptation not active
:
  • 67.0 s
  • Once / DCY
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P0135  O2 Sensor Heater Circuit Bank 1 Sensor 1 Oxygen Sensors (O2S) Heater Front Out Of Range High
  • O2S ceramic temp. < 720° C
  • And
  • Heater duty cycle > 90.0%
  • Modeled exhaust gas temp. > 300° C
  • Heater control active
  • 55.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
Oxygen Sensors (O2S) Heater Front Rationality Check (Sensor Heating Up)
  • O2S ceramic temp. < 720° C
  • And
  • Time after O2S heater on 40.0 s
  • ECT @ cylinder block @ start > -11° C
  • Engine shut-off-time (during ECM keep alive-time after ignition off) > 300.0 s
  • 40.0 s
  • Once / DCY
P0137 O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 Oxygen Sensors (O2S) Rear O2S Signal Check - Circuit Continuity (Short To Ground, Core Connection Signal Wires)
  • Signal voltage < 0.06 V
  • For time > 3.0 s
  • And
  • Difference of sensor voltage with load pulse and voltage without load pulse (mean value of 3 measurements) < 0.01 V
  • Case 1: sensor ready for operation
  • Sensor voltage <= 0.40 V
  • Or
  • Sensor voltage 0.50 - 1.08 V
  • Case 2: sensor theoretical ready for operation
  • For time > 20.0 s
  • Sensor sufficient heated up if exhaust temperature >= 650° C
  • For time > 10.0 s
  • Or
  • Heater power >= 50.0%
  • For time > 10.0 s
  • General:
  • Engine running
  • Dew point exceeded
  • Fuel cut off not active
  • Catalyst purge not active
  • 3.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P0138 O2 Sensor Circuit High Voltage Bank 1 Sensor 2 Oxygen Sensors (O2S) Rear O2S Signal Check - Out Of Range High (Short To Battery Plus)
  • Signal voltage > 1.08 V
  • For time > 5.0 s
  • Case 1: sensor ready for operation
  • Sensor voltage <= 0.40 V
  • Or
  • Sensor voltage 0.50 - 1.08 V
  • Case 2:
  • Sensor theoretical ready for operation
  • For time > 20.0 s
  • Sensor sufficient heated up if exhaust temperature >= 650° C
  • For time > 10.0 s
  • Or
  • Heater power >= 50.0%
  • For time > 10.0 s
  • General:
  • Engine running
  • Dew point exceeded
  • Lambda set value > 0.995 [-]
  • 5.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P013A  O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Oxygen Sensors (O2S) Rear Check Of Differential Transient Time At Fuel Cut Off
  • Arithmetric filtered max differential transient time at fuel cut off >= 0.7 s
  • Or
  • EWMA filtered max differential transient time at fuel cut off n.a.
  • And
  • Number of checks >= 1.0 [-]
  • O2S front out of range ready, no fault
  • O2S rear ready
  • Engine speed 520 - 4, 000 RPM
  • Integrated exhaust gas mass since O2S rear ready > 0.20 kg
  • Exhaust gas mass flow > 10.0 kg/h
  • Modeled exhaust gas temperature fitted position O2S rear >= 410° C
  • Change of exhaust gas mass flow -150.0 - 150.0 kg/h
  • Time fuel cut off < 90.0 s
  • If
  • Time fuel cut off > 90.0 s
  • Then disabling till next fuel cut off 20.0 s
  • Binary sensor front fitted O2S front voltage n.a.
  • Linear sensor front fitted
  • Deviation between expected and measured lambda value < 6.0 [-]
  • Or
  • Lambda value > 0.15 [-]
  • Additional conditions:
  • Time after fuel cut off at first cylinder >= 1.5 s
  • O2S rear voltage before start of measurement > 0.55 V
  • O2S rear target voltage end of measurement <= 0.15 V
  • Or
  • Integrated O2 mass during fuel cut off >= 2, 400 mg
  • Time delay 0.5 s
  • Case 1:
  • (With scavenging)
  • If
  • Scavenging-rate n.a.
  • Then disabling until scavenging-rate n.a.
  • And
  • integrated air mass n.a.
  • Case 2:
  • (Without scavenging)
  • Integrated air mass > 0.20 kg
  • Engine running
  • 10.0 s
  • Once / DCY
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P013E O2 Sensor Delayed Response - Rich to Lean Bank 1 Sensor 2 Oxygen Sensors (O2S) Rear Check Of Differential Delay Time At Rich To Lean Transition
  • Arithmetric filtered max differential delay time at rich to lean transition> n.a. s
  • Or
  • EWMA filtered max differential delay time at rich to lean transition > 1.0 s
  • And
  • Number of checks >= 3.0 [-]
  • O2S front out of range ready, no fault
  • Heat supply >= n.a. kJ
  • Integrated exhaust gas mass after O2S rear ready > 0.25 kg
  • Integrated exhaust gas mass during > 0.20 kg
  • Catalyst temperature 460 - 800° C
  • Exhaust gas mass flow 35.0 - 160.0 kg/h
  • Change of exhaust gas mass flow -65.0 - 65.0 kg/h
  • Engine speed 1, 240 - 3, 520 RPM
  • O2S rear stuck lean / stuck rich ready, no fault vehicle speed >= 0 mph
  • And
  • Time after engine start >= 6, 553.5 s
  • Or
  • Exhaust gas mass >= 0.0 kg
  • Scavenging:
  • Scavenging-rate < n.a. [-]
  • Integrated air mass > n.a kg/h
  • Lambda control n.a
  • Lambda set value before n.a [-]
  • For integrated exhaust gas mass >= n.a kg
  • Lambda set value < n.a [-]
  • For time >= n.a s
  • Binary sensor front fitted O2S front voltage > n.a. V
  • Linear sensor front fitted
  • Diff. between lambda set point value (combustion chamber) vs. expected lambda (front sensor fitting) <= 0.01 [-]
  • Diff. between lambda set value and actual lambda value <= 0.04 [-]
  • - Threshold 1
  • O2S rear voltage >= 0.75 V
  • Gradient O2S rear voltage -0.01 - 0.02 V/s
  • Integrated negative O2 mass >= 450 mg
  • Or
  • - Threshold 2
  • O2S rear voltage > 1.25 V
  • 40.0 s
  • Once / DCY
  • 1 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P0140 O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 Oxygen Sensors (O2S) Rear O2S Signal Check - Circuit Continuity (Sensor Signal Line Open Circuit)
  • Signal voltage 0.40 - 0.60 V
  • For time > 3.0 s
  • And
  • Difference of sensor voltage with load pulse and voltage without load pulse (mean value of 3 measurements) >= 2.80 V
  • Case 1: sensor ready for operation
  • Sensor voltage <= 0.40 V
  • Or
  • Sensor voltage 0.50 - 1.08 V
  • Case 2:
  • Sensor theoretical ready for operation
  • For time > 20.0 s
  • Sensor sufficient heated up if exhaust temperature >= 650° C
  • For time > 10.0 s
  • Or
  • Heater power >= 50.0%
  • For time > 10.0 s
  • General:
  • Engine running
  • Dew point exceeded
  • 30.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
Oxygen Sensors (O2S) Rear O2S Signal Check - Circuit Continuity (Sensor Ground Line Open Circuit)
  • Internal resistance > 40, 000.0 Ω
  • And
  • Exhaust temperature > 600° C
  • Case 1: sensor ready for operation
  • Sensor voltage <= 0.40 V
  • Or
  • Sensor voltage 0.50 - 1.08 V
  • Case 2:
  • Sensor theoretical ready for operation
  • For time > 20.0 s
  • Sensor sufficient heated up if exhaust temperature >= 650° C
  • For time > 10.0 s
  • Or
  • Heater power >= 50.0%
  • For time > 10.0 s
  • General:
  • Engine running
  • Dew point exceeded
  • Valid Ri-measurements > 10 times
P0141  O2 Sensor Heater Circuit Bank 1 Sensor 2 Oxygen Sensors (O2S) Heater Rear Out Of Range
  • Internal resistance > 792.0 - 4, 560.0 Ω
  • Modeled exhaust gas temp. 250 - 650° C
  • Engine shut-off-time > 60.0 s
  • (During ECM keep alive-time after ignition off) < 600.0 s
  • Number of checks 10.0 [-]
  • Fuel cut off not active
  • Heater commanded on
  • 15.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P0169 Incorrect Fuel Composition Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Load Plausibility
  • Abs. difference between predicted and real air mass > 10.50%
  • Engine speed >= 1, 200 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check for contaminated/aged fuel or possible high concentration of alcohol in fuel (above 15%). Poor quality fuel will also increase consumption. Replace with fresh fuel if believed to be contaminated. Refer to appropriate repair information.
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Injection Time
  • Comparison with fuel quantity incorrect
  • Internal engine speed > 1, 200 RPM
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Lambda Mode
  • Internal check failed
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Mixture Control
  • Correction factor incorrect
  • Fuel quantity incorrect
P0190 Fuel Pressure Regulator 1 Control Circuit/Open Fuel Rail Pressure (FRP) Sensor Signal Range Check
  • Signal voltage > 4.80 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
P0192 Fuel Rail Pressure Sensor Circuit Low Bank 1 Fuel Rail Pressure (FRP) Sensor Signal Range Check
  • Signal voltage < 0.20 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
P0201 Cylinder 1 Injector "A" Circuit Fuel Injection Valves Open Circuit
  • Signal current driver stage internal value
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 1 Fuel Injector -N30-. Refer to Fuel Injectors, Checking .
Fuel Injection Valves Monitoring Booster-Time
  • Internal logic failure
  • Engine speed > 80 RPM
P0202 Cylinder 2 Injector "A" Circuit Fuel Injection Valves Open Circuit
  • Signal current driver stage internal value
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 2 Fuel Injector -N31-. Refer to Fuel Injectors, Checking .
Fuel Injection Valves Monitoring Booster-Time
  • Internal logic failure
  • Engine speed > 80 RPM
P0203 Cylinder 3 Injector "A" Circuit Fuel Injection Valves Open Circuit
  • Signal current driver stage internal value
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 3 Fuel Injector -N32-. Refer to Fuel Injectors, Checking .
Fuel Injection Valves Monitoring Booster-Time
  • Internal logic failure
  • Engine speed > 80 RPM
P0204 Cylinder 4 Injector "A" Circuit Fuel Injection Valves Open Circuit
  • Signal current driver stage internal value
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 4 Fuel Injector -N33-. Refer to Fuel Injectors, Checking .
Fuel Injection Valves Monitoring Booster-Time
  • Internal logic failure
  • Engine speed > 80 RPM
P0221 Throttle/Pedal Position Sensor/Switch "B" Circuit Range/Performance Throttle Position Sensor (TPS) 2 Rationality Check
  • TPS1 - TPS2 > 5.10 - 6.30%
  • And
  • Actual TPS2 - calc. value > actual TPS1 - calc. value
  • Or
  • TPS2 - calc. value > 9.0%
  • Engine speed > 480 RPM
  • 0.3 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P0222 Throttle/Pedal Position Sensor/Switch "B" Circuit Low Throttle Position Sensor (TPS) 2 Out Of Range Low
  • Signal voltage < 0.20 V
  
  • 0.1 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P0223 Throttle/Pedal Position Sensor/Switch "B" Circuit High Throttle Position Sensor (TPS) 2 Out Of Range High
  • Signal voltage > 4.81 V
  
  • 0.1 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P0234 Turbocharger/Supercharger "A" Overboost Condition Turbocharger (TC) Boost Control Rationality Check High
  • Diff. set value boost pressure vs. actual boost pressure value > 26.0 - 127.50 kPa
  • Barometric pressure > 73.0 kPa
  • 1.2 s
  • Multiple
  • 2 DCY
 -- Check the Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P0236 Turbocharger/Supercharger Boost Sensor "A" Circuit Range/Performance Turbocharger (TC) Boost Pressure Sensor Plausibility Check
  • Diff. boost pressure signal vs. barometric sensor signal > 23.0 kPa
  • Engine speed < 1, 000 RPM
  • Throttle position < 6.81%
  • 2.0 s
  • Multiple
  • 2 DCY
 -- Check the Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
  • Diff. boost pressure signal vs. barometric sensor signal < --7.0 kPa
P0237 Turbocharger/Supercharger Boost Sensor "A" Circuit Low Turbocharger (TC) Boost Pressure Sensor Short To Ground
  • Signal voltage < 0.20 V
  • Engine speed > 80 RPM
  • 0.2 s
  • Continuous
  • 2 DCY
 -- Check the Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P0238 Turbocharger/Supercharger Boost Sensor "A" Circuit High Turbocharger (TC) Boost Pressure Sensor Short To Battery / Open Circuit
  • Signal voltage > 4.88 V
  • Engine speed > 80 RPM
  • Throttle position < 6.81%
  • 0.2 s
  • Continuous
  • 2 DCY
 -- Check the Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P0243 Turbocharger/Supercharger Wastegate Actuator "A" Turbocharger (TC) Bypass Actuator Open Circuit
  • Signal voltage > 4.70 - 5.40 V
  • Boost pressure control valve commanded off
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to Wastegate Bypass Regulator Valve - N75-, CHECKING .
P0245 Turbocharger/Supercharger Wastegate Actuator "A" Low Turbocharger (TC) Bypass Actuator Short To Ground
  • Signal voltage < 2.74 - 3.26 V
  • Boost pressure control valve commanded off
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to Wastegate Bypass Regulator Valve - N75-, CHECKING .
P0246 Turbocharger/Supercharger Wastegate Actuator "A" High Turbocharger (TC) Bypass Actuator Short To Battery Plus
  • Signal current driver stage internal value
  • Boost pressure control valve commanded on
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to Wastegate Bypass Regulator Valve - N75-, CHECKING .
P025A Fuel Pump Module "A" Control Circuit/Open Fuel Pump Control (FPC) Open Circuit
  • Signal voltage 4.70 - 5.40 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Delivery Unit -GX1- / Fuel Pump Control Module -J538-. Refer to Fuel Delivery Unit - GX1- / Transfer Fuel Pump - G6-, CHECKING .
P025C Fuel Pump Module "A" Control Circuit Low Fuel Pump Control (FPC) Short To Ground
  • Signal voltage < 2.74 - 3.26 V
  
  • 3.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Delivery Unit -GX1- / Fuel Pump Control Module -J538-. Refer to Fuel Delivery Unit - GX1- / Transfer Fuel Pump - G6-, CHECKING .
P025D Fuel Pump Module "A" Control Circuit High Fuel Pump Control (FPC) Short To Battery Plus
  • Signal current driver stage internal value
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Delivery Unit -GX1- / Fuel Pump Control Module -J538-. Refer to Fuel Delivery Unit - GX1- / Transfer Fuel Pump - G6-, CHECKING .
P0261 Cylinder 1 Injector "A" Circuit Low Fuel Injection Valves Short To Ground (Low Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 1 Fuel Injector -N30-. Refer to Fuel Injectors, Checking .
P0262 Cylinder 1 Injector "A" Circuit High Fuel Injection Valves Short To Battery Plus (Low Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 1 Fuel Injector -N30-. Refer to Fuel Injectors, Checking .
P0264 Cylinder 2 Injector "A" Circuit Low Fuel Injection Valves Short To Ground (Low Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 2 Fuel Injector -N31-. Refer to Fuel Injectors, Checking .
P0265 Cylinder 2 Injector "A" Circuit High Fuel Injection Valves Short To Battery Plus (Low Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 2 Fuel Injector -N31-. Refer to Fuel Injectors, Checking .
P0267 Cylinder 3 Injector "A" Circuit Low Fuel Injection Valves Short To Ground (Low Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 3 Fuel Injector -N32-. Refer to Fuel Injectors, Checking .
P0268 Cylinder 3 Injector "A" Circuit High Fuel Injection Valves Short To Battery Plus (Low Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 3 Fuel Injector -N32-. Refer to Fuel Injectors, Checking .
P0270 Cylinder 4 Injector "A" Circuit Low Fuel Injection Valves Short To Ground (Low Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 4 Fuel Injector -N33-. Refer to Fuel Injectors, Checking .
P0271 Cylinder 4 Injector "A" Circuit High Fuel Injection Valves Short To Battery Plus (Low Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Cylinder 4 Fuel Injector -N33-. Refer to Fuel Injectors, Checking .
P0299 Turbocharger/Supercharger "A" Underboost Condition Turbocharger (TC) Boost Control Rationality Check Low
  • Diff. set value boost pressure vs. actual boost pressure value (filtered) > 15.0 kPa
  • Engine speed > 2, 200 - 2, 800 RPM
  • Barometric pressure > 73.0 kPa
  • Diff. set value boost pressure vs. basic boost pressure value > 25.0
  • Boost pressure control active
  • Turbo charger bypass valve closed
  • 6.0 s
  • Multiple
  • 2 DCY
 -- Check the Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P0300 Random/Multiple Cylinder Misfire Detected Misfire Crankshaft Speed Fluctuation (Single Or Multiple)
  • Emission threshold misfire rate (MR) > 2.40%
  • Case 1:
  • ECT @ cylinder block @ start >= -11° C
  • Case 2:
  • ECT @ cylinder block @ start < -11° C
  • Then activation if ECT @ cylinder block > 20° C
  • General:
  • Active after engine start idle - 150 RPM + 1 camshaft rev
  • Time after engine start > 0.0 s
  • Engine torque >= 0 Nm
  • Fuel cut off not active
  • Rough road not detected
  • 1, 000 rev
  • Continuous
  • 2 DCY
 -- Check the spark plugs visually.-- Check the intake system visually for leaks (false air) and check for an engine mechanical fault with a cylinder compression test. Refer to appropriate repair information.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Ignition Coils with Power Output Stage --. Refer to Ignition Coils With Power Output Stage --, CHECKING .
  • Catalyst damage misfire rate (MR) > 1.76 - 14.81%
  • 200 rev
  • Continuous
  • Immediately
P0301  Cylinder 1 Misfire Detected Misfire Crankshaft Speed Fluctuation (Single Or Multiple)
  • Emission threshold misfire rate (MR) > 2.40%
  • Case 1:
  • ECT @ cylinder block @ start >= -11° C
  • Case 2:
  • ECT @ cylinder block @ start < -11° C
  • Then activation if ECT @ cylinder block > 20° C
  • General:
  • Active after engine start idle - 150 RPM + 1 camshaft rev
  • Time after engine start > 0.0 s
  • Engine torque >= 0 Nm
  • Fuel cut off not active
  • Rough road not detected
  • 1, 000 rev
  • Continuous
  • 2 DCY
 -- Check the spark plugs visually.-- Check the intake system visually for leaks (false air) and check for an engine mechanical fault with a cylinder compression test. Refer to appropriate repair information.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Ignition Coils with Power Output Stage --. Refer to Ignition Coils With Power Output Stage --, CHECKING .
  • Catalyst damage misfire rate (MR) > 1.76 - 14.81%
  • 200 rev
  • Continuous
  • Immediately
P0302  Cylinder 2 Misfire Detected Misfire Crankshaft Speed Fluctuation (Single Or Multiple)
  • Emission threshold misfire rate (MR) > 2.40%
  • Case 1:
  • ECT @ cylinder block @ start >= -11° C
  • Case 2:
  • ECT @ cylinder block @ start < -11° C
  • Then activation if ECT @ cylinder block > 20° C
  • General:
  • Active after engine start idle - 150 RPM + 1 camshaft rev
  • Time after engine start > 0.0 s
  • Engine torque >= 0 Nm
  • Fuel cut off not active
  • Rough road not detected
  • 1, 000 rev
  • Continuous
  • 2 DCY
 -- Check the spark plugs visually.-- Check the intake system visually for leaks (false air) and check for an engine mechanical fault with a cylinder compression test. Refer to appropriate repair information.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Ignition Coils with Power Output Stage --. Refer to Ignition Coils With Power Output Stage --, CHECKING .
  • Catalyst damage misfire rate (MR) > 1.76 - 14.81%
  • 200 rev
  • Continuous
  • Immediately
P0303  Cylinder 3 Misfire Detected Misfire Crankshaft Speed Fluctuation (Single Or Multiple)
  • Emission threshold misfire rate (MR) > 2.40%
  • Case 1:
  • ECT @ cylinder block @ start >= -11° C
  • Case 2:
  • ECT @ cylinder block @ start < -11° C
  • Then activation if ECT @ cylinder block > 20° C
  • General:
  • Active after engine start idle - 150 RPM + 1 camshaft rev
  • Time after engine start > 0.0 s
  • Engine torque >= 0 Nm
  • Fuel cut off not active
  • Rough road not detected
  • 1, 000 rev
  • Continuous
  • 2 DCY
 -- Check the spark plugs visually.-- Check the intake system visually for leaks (false air) and check for an engine mechanical fault with a cylinder compression test. Refer to appropriate repair information.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Ignition Coils with Power Output Stage --. Refer to Ignition Coils With Power Output Stage --, CHECKING .
  • Catalyst damage misfire rate (MR) > 1.76 - 14.81%
  • 200 rev
  • Continuous
  • Immediately
P0304  Cylinder 4 Misfire Detected Misfire Crankshaft Speed Fluctuation (Single Or Multiple)
  • Emission threshold misfire rate (MR) > 2.40%
  • Case 1:
  • ECT @ cylinder block @ start >= -11° C
  • Case 2:
  • ECT @ cylinder block @ start < -11° C
  • Then activation if ECT @ cylinder block > 20° C
  • General:
  • Active after engine start idle - 150 RPM + 1 camshaft rev
  • Time after engine start > 0.0 s
  • Engine torque >= 0 Nm
  • Fuel cut off not active
  • Rough road not detected
  • 1, 000 rev
  • Continuous
  • 2 DCY
 -- Check the spark plugs visually.-- Check the intake system visually for leaks (false air) and check for an engine mechanical fault with a cylinder compression test. Refer to appropriate repair information.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Ignition Coils with Power Output Stage --. Refer to Ignition Coils With Power Output Stage --, CHECKING .
  • Catalyst damage misfire rate (MR) > 1.76 - 14.81%
  • 200 rev
  • Continuous
  • Immediately
P0321 Ignition/Distributor Engine Speed Input Circuit Range/Performance Crankshaft Position (CKP) Sensor Rationality Check
  • Counted teeth vs. reference incorrect
  • Or
  • Monitoring reference gap failure
  
  • 1.5 s
  • Multiple
  • 2 DCY
 -- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .
P0322 Ignition/Distributor Engine Speed Input Circuit No Signal Crankshaft Position (CKP) Sensor Signal Activity Check
  • Camshaft signals > 3.0 [-]
  • And
  • Engine speed no signal
  
  • 2.5 s
  • Multiple
  • 2 DCY
 -- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .
P0324 Knock/Combustion Vibration Control System Error Knock Control Internal Hardware Check
  • Signal fault counter (combustion) > 24.0 [-]
  • Or
  • Signal fault counter (measuring window) > 2.0 [-]
  • Engine speed > 2, 500 RPM
  • 0.5 s
  • Multiple
  • 2 DCY
 -- Check the Knock Sensor -G61-. Refer to Knock Sensor 1 - G61-, CHECKING .
P0327 Knock/Combustion Vibration Sensor 1 Circuit Low Bank 1 or Single Sensor Knock Sensor (KS) Short To Ground Port A
  • Signal voltage < -0.70 V
  • Engine speed > 1, 000 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Knock Sensor -G61-. Refer to Knock Sensor 1 - G61-, CHECKING .
Knock Sensor (KS) Short To Ground Port B
Knock Sensor (KS) Signal Range Check
  • Lower threshold < 0.0 - 1.60 V
  • Engine speed > 2, 000 RPM
  • ECT @ cylinder block > 41° C
  • Engine load > 45.0 - 60.0%
  • 3.0 s
  • Multiple
P0328 Knock/Combustion Vibration Sensor 1 Circuit High Bank 1 or Single Sensor Knock Sensor (KS) Short To Battery Plus Port A
  • Signal voltage > 1.0 V
  • Engine speed > 1, 000 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Knock Sensor -G61-. Refer to Knock Sensor 1 - G61-, CHECKING .
Knock Sensor (KS) Short To Battery Plus Port B
Knock Sensor (KS) Signal Range Check
  • Upper threshold > 15.0 - 115.87 V
  • Engine speed > 2, 000 RPM
  • ECT @ cylinder block > 41° C
  • Engine load > 45.0 - 60.0%
  • 3.0 s
  • Multiple
P0341 Camshaft Position Sensor "A" Circuit Range/Performance Bank 1 or Single Sensor Phase Sensor 1 Rationality Check
  • Signal pattern incorrect
  • Defect counter 12.0 [-]
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Camshaft Position Sensor -G40-. Refer to Camshaft Position Sensor - G40-, CHECKING .
P0342 Camshaft Position Sensor "A" Circuit Low Bank 1 or Single Sensor Phase Sensor 1 Rationality Check
  • Signal voltage permanently low
  • And
  • Crankshaft signals 8.0 [-]
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Camshaft Position Sensor -G40-. Refer to Camshaft Position Sensor - G40-, CHECKING .
P0343 Camshaft Position Sensor "A" Circuit High Bank 1 or Single Sensor Phase Sensor 1 Rationality Check
  • Signal voltage permanently high
  • And
  • Crankshaft signals 8.0 [-]
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Camshaft Position Sensor -G40-. Refer to Camshaft Position Sensor - G40-, CHECKING .
P0351 Ignition Coil "A" Primary Control Circuit/Open Ignition Coil Open Circuit
  • Signal current driver stage internal value
  • Or
  • Internal check failed
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 1 With Power Output Stage -N70-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P0352 Ignition Coil "B" Primary Control Circuit/Open Ignition Coil Open Circuit
  • Signal current driver stage internal value
  • Or
  • Internal check failed
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 2 With Power Output Stage -N127-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P0353 Ignition Coil "C" Primary Control Circuit/Open Ignition Coil Open Circuit
  • Signal current driver stage internal value
  • Or
  • Internal check failed
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 3 With Power Output Stage -N291-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P0354 Ignition Coil "D" Primary Control Circuit/Open Ignition Coil Open Circuit
  • Signal current driver stage internal value
  • Or
  • Internal check failed
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 4 With Power Output Stage -N292-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P0420  Catalyst System Efficiency Below Threshold Bank 1 Oxidation Catalyst (OC) Measure Of OSC Compared To OSC Of Borderline Catalyst
  • Measured OSC / OSC of borderline catalyst
  • measured OSC EWMA filter value for catalyst, corrected with measured delay and transient time of oxygen sensors rear < 1.0 [-]
  • Time after engine start > 250.0 - 300.0 s
  • Or
  • Time after dew point > n.a. s
  • Delta exhaust gas mass flow < 45.0 kg/h
  • Exhaust gas mass flow, lower range 25.0 - 80.0 kg/h
  • Exhaust gas mass flow, upper range 50.0 - 160.0 kg/h
  • Modeled exhaust gas temp. dynamic < 50.0 K
  • Modeled exhaust gas temp. in catalyst system, lower range 450 - 625° C
  • Modeled exhaust gas temp. in catalyst system, upper range 490 - 750° C
  • Minimum modeled exhaust gas temp. in catalyst system > 400° C
  • For time > 150.0 s
  • Filtered minimum modeled exhaust gas temp. in catalyst system > 0° C
  • Engine load 15.80 - 140.30%
  • Evap purge loading not high
  • Engine speed 1, 000 - 3, 520 RPM
  • Deviation between lambda set point
  • And
  • Actual lambda value < 2.0%
  • Lambda control closed loop
  • Lambda control not at min or max limit
  • AAT > -48° C
  • Number of checks, no step change suspicion 1.0 [-]
  • Number of checks, step change suspicion 6.0 [-]
  • O2S front ready
  • O2S rear ready
  • AIR not active
  • No misfire
  • O2S front plausibility check in current driving cycle ready
  • O2S front response monitoring in current driving cycle ready
  • 40.0 s
  • Once / DCY
  • 1 DCY
 -- Check the Three Way Catalytic Converter (TWC). Refer to Three Way Catalytic Converter (TWC), Checking .-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P0441  EVAP System Incorrect Purge Flow Evaporative Emission (EVAP) System Function Check
  • Deviation lambda control < 8.0%
  • And
  • Deviation idle control < 35.0%
  • Choice of:
  • Integrated EVAP purge mass > 25.0 - 120.0 g
  • Or
  • Integrated air mass > 1.50 - 2.50 kg
  • And
  • Choice of:
  • ECT @ cylinder block > 65° C
  • Or
  • Substitute ECT > 80° C
  • And
  • General:
  • Engine speed idle RPM
  • Engine speed < n.a RPM
  • Engine speed deviation < 80 RPM
  • Engine load 0.0 - 42.0%
  • Deviation engine load <= 4.01%
  • AAT > 4° C
  • Barometric pressure > 72.0 kPa
  • Lambda control closed loop
  • 19.0 s
  • Once / DCY
  • 2 DCY
 -- Check the EVAP system for leaks. Refer to EVAP SYSTEM, CHECKING FOR LEAKS .-- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the Leak Detection Pump -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P0442  EVAP System Leak Detected (Small Leak) Pressure check Evaporative Emission (EVAP) System Small Leak Pressure Check
  • Time for pressure drop < 1.6 - 1.8 s
  • General:
  • Time after engine start 12.0 - 65, 530.0 s
  • Preceding engine shut-off time > 21, 600.0 s
  • Or
  • Last ECM keep alive mode n.a.
  • Intake manifold vacuum > -256.0 kPa
  • BARO > 73.40 kPa
  • Vehicle speed 0 - 93 mph
  • Vehicle speed once > 19 mph
  • Selected gear any drive
  • ECT @ cylinder block @ engine shut-off > 0.0 K
  • Evap purge valve closed
  • LDP commanded on
  • ECT @ cylinder block 5 - 120° C
  • ECT @ cylinder block @ start 5 - 50° C
  • And
  • Case 1:
  • AAT 4.5 - 59.3° C
  • AAT drop after engine start < 7.50 K
  • Case 2:
  • IAT @ manifold n.a.
  • IAT drop after engine start n.a.
  • Deep down hill driving:
  • Delta barometric pressure n.a.
  • Or
  • Engine load n.a.
  • And
  • Delta vehicle speed n.a.
  • 146.4 s
  • Once / DCY
  • 2 DCY
 -- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P0444 EVAP System Purge Control Valve "A" Circuit Open Evaporative Emission (EVAP) Canister Purge Valve Open Circuit
  • Signal voltage 4.70 - 5.40 V
  • Evap purge valve commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P0455  EVAP System Leak Detected (Large Leak) Evaporative Emission (EVAP) System Large Leak Pressure Check
  • Time for pressure drop < 1.0 s
  • General:
  • Time after engine start 12.0 - 65, 530.0 s
  • Preceding engine shut-off time > 21, 600.0 s
  • Or
  • Last ECM keep alive mode n.a.
  • Intake manifold vacuum > -256.0 kPa
  • BARO > 73.40 kPa
  • Vehicle speed 0 - 93 mph
  • Vehicle speed once > 19 mph
  • Selected gear any drive
  • ECT @ cylinder block @ engine shut-off > 0.0 K
  • Evap purge valve closed
  • LDP commanded on
  • ECT @ cylinder block 5 - 120° C
  • ECT @ cylinder block @ start 5 - 50° C
  • And
  • Case 1:
  • AAT 4.5 - 59.3° C
  • AAT drop after engine start < 12 K
  • Case 2:
  • IAT @ manifold n.a.
  • IAT drop after engine start n.a.
  • Deep down hill driving
  • Delta barometric pressure n.a.
  • Or
  • Engine load n.a.
  • And
  • Delta vehicle speed n.a.
  • 143.2 s
  • Once / DCY
  • 2 DCY
 -- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P0456  EVAP System Leak Detected (Very Small Leak) Evaporative Emission (EVAP) System Very Small Leak Pressure Check
  • Time for pressure drop < 4.5 - 6.0 s
  • General:
  • Time after engine start 12.0 - 1, 000.0 s
  • Preceding engine shut-off time > 21, 600.0 s
  • Or
  • Last ECM keep alive mode n.a.
  • Intake manifold vacuum > -256.0 kPa
  • BARO > 73.40 kPa
  • Vehicle speed 0 - 93 mph
  • Vehicle speed once > 19 mph
  • Selected gear any drive
  • ECT @ cylinder block @ engine shut-off > 0.0 K
  • Evap purge valve closed
  • LDP commanded on
  • ECT @ cylinder block 5 - 120° C
  • ECT @ cylinder block @ start 5 - 50° C
  • And
  • Case 1:
  • AAT 4.5 - 59.3° C
  • AAT drop after engine start < 4.50 K
  • Case 2:
  • IAT @ manifold n.a.
  • IAT drop after engine start n.a.
  • Deep down hill driving
  • Delta barometric pressure n.a.
  • Or
  • Engine load n.a.
  • And
  • Delta vehicle speed n.a.
  • Additional:
  • Vehicle acceleration < 3.50 m/s2
  • Gradient engine load < 767.98 %/seg
  • 163.4 s
  • Once / DCY
  • 2 DCY
 -- Check the EVAP system for leaks. Refer to EVAP SYSTEM, CHECKING FOR LEAKS .-- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the Leak Detection Pump -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P0458 EVAP System Purge Control Valve "A" Circuit Low Evaporative Emission (EVAP) Canister Purge Valve Short To Ground
  • Signal voltage < 2.74 - 3.26 V
  • Evap purge valve commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P0459 EVAP System Purge Control Valve "A" Circuit High Evaporative Emission (EVAP) Canister Purge Valve Short To Battery Plus
  • Signal current driver stage internal value
  • Evap purge valve commanded on
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P0501 Vehicle Speed Sensor "A" Circuit Range/Performance Vehicle Speed Sensor (VSS) Plausibility Check
  • Vehicle speed < 2 mph
  • Fuel cut off active
  • Engine speed 1, 520 - 4, 520 RPM
  • ECT @ cylinder block > 40° C
  • 2.0 s
  • Multiple
  • 2 DCY
 -- Check the vehicle speed signal. Refer to Vehicle Speed Signal, Checking .
P0506 Idle Control System RPM - Lower Than Expected Idle Speed Control (ISC) Plausibility Check
  • Integrated deviation of engine speed low and integrated deviation of engine speed high > 2, 000 RPM
  • Time after engine start >= 0.0 s
  • Vehicle speed 0 mph
  • Barometric pressure > 71.90 kPa
  • ECT @ cylinder block > -11° C
  • IAT @ manifold > -48° C
  • Torque safety limitation not active
  • Driver request not active
  • For time > 0.0 s
  • 3.0 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
Idle Speed Control (ISC) Out Of Range Low
  • engine speed deviation > 80 [rpm]
  • And
  • RPM controller torque value n.a. [Nm]
  • Time after engine start >= 0.0 s
  • Vehicle speed 0 mph
  • Barometric pressure > 71.90 kPa
  • ECT @ cylinder block > -11° C
  • IAT @ manifold > -48° C
  • Torque safety limitation not active
  • Driver request not active
  • For time > 0.0 s
  • For manual transmission:
  • Engine load < n.a. %
  • 9.0 s
  • Multiple
P0507 Idle Control System RPM - Higher Than Expected Idle Speed Control (ISC) Out Of Range High
  • Engine speed deviation < -80 RPM
  • And
  • RPM controller torque value n.a. Nm
  • Or
  • Integrated number of fuel cut off transitions >= 4.0 [-]
  • Time after engine start >= 0.0 s
  • Vehicle speed 0 mph
  • barometric pressure > 71.90 kPa
  • ECT @ cylinder block > -11° C
  • IAT @ manifold > -48° C
  • Torque safety limitation not active
  • Driver request not active
  • For time > 0.0 s
  • 9.0 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P050A Cold Start Idle Control System Performance Cold Start Monitoring Idle Speed Control (ISC) Function Monitoring: Out Of Range Low
  • Engine speed deviation > 100 RPM
  • And
  • RPM controller torque value n.a. Nm
  • Catalyst heating active
  • Vehicle speed 0 mph
  • Barometric pressure > 71.90 kPa
  • Torque safety limitation not active
  • Driver request not active
  • For manual transmission:
  • Engine load < n.a. %
  • 9.0 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
Cold Start Monitoring Idle Speed Control (ISC) Function Monitoring: Out Of Range High
  • Engine speed deviation < -200 RPM
  • And
  • RPM controller torque value n.a. Nm
  • Or
  • Integrated number of fuel cut off transitions >= n.a. [-]
  • Catalyst heating active
  • Vehicle speed 0 mph
  • Barometric pressure > 71.90 kPa
  • Torque safety limitation not active
  • Driver request not active
Cold Start Monitoring Idle Speed Control (ISC) Plausibility Check
  • Integrated deviation of engine speed low and integrated deviation of engine speed high > 2, 000 RPM
  • 3.0 s
  • Multiple
P050B Cold Start Ignition Timing Performance Cold Start Monitoring Ignition Control (IC) Idle Ignition Timing Monitor
  • Difference between commanded spark timing vs. actual value > 20.0 - 50.0%
  • General:
  • Commanded spark retard during catalyst heating < 70.0%
  • Catalyst heating active
  • For time > 2.0 s
  • Difference engine load not active
  • Barometric pressure > 7.20 kPa
  • Idle condition active
  • Diff. relative engine load vs. filtered relative engine load < 10.01%
  • (For relative engine load dynamic detection)
  • Diff. engine speed vs. filtered engine speed <= 100 RPM
  • (For engine speed dynamic detection)
  • Relative engine load <= 35 - 120%
  • Conditions vehicle speed:
  • Vehicle speed =0.0 mph
  • Or
  • Engine running and decoupled from powertrain (for hybrid) not equipped
  • 8.0 s
  • Once / DCY
  • 2 DCY
 -- Check for any engine speed sensor or ignition coil faults and diagnose them first. If no other codes are set, replace the Engine Control Module -J623-. Refer to appropriate repair information.
P052A Cold Start "A" Camshaft Position Timing Over-Advanced Bank 1 Cold Start Monitoring Variable Valve Timing (VVT) Intake Actuator Target Error
  • Difference between target position vs. actual position > 6.0° CRK
  • Time after engine start >= 15.0 s
  • Engine speed >= 0 RPM
  • Modeled oil temperature >= -13° C
  • Commanded camshaft timing correction for catalyst heating active
  • 5.0 s
  • Once / DCY
  • 2 DCY
 -- Check engine oil for incorrect viscosity or in need of servicing (dirty oil). Oil that is not clear in color may be causing the sensor to operate incorrectly. The engine oil must be clean and of the correct viscosity in order for the sensor to operate properly. Check the vehicle paperwork to determine what oil viscosity has been used and when the last oil change was performed. Change the engine oil if necessary.-- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 - N205-, CHECKING .
P053F Cold Start Fuel Pressure Performance Bank 2 Cold Start Monitoring Fuel Volume Regulator HP Control Functional Check
  • Difference between target pressure vs. actual pressure < -1.50 MPa
  • Time after engine start > 10.0 s
  • Fuel cut off not active
  • Time after fuel cut off > 0.0 s
  • Catalyst heating active
  • Fuel volume regulator control active
  • Relative fuel mass 5.02 - 240.0%
  • 3.0 s
  • Multiple
  • 2 DCY
 -- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
  • Difference between target pressure vs. actual pressure > 1.50 MPa
P0606 Control Module Processor Barometric Pressure (BARO) Sensor Plausibility Check
  • Signal gradient > 7.50 kPa/s
  
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Replace the Engine Control Module -J623-. Refer to appropriate repair information.
  • Signal gradient < -7.50 kPa/s
  • Diff. barometric sensor vs. last driving cycle > 15.0 kPa
  • And
  • Diff. barometric pressure vs. upper threshold model > 2.0 kPa
  • Time after engine start < 5.0 s
  • 2.0 s
  • Once / DCY
  • Diff. barometric sensor vs. last driving cycle > 15.0 kPa
  • And
  • Diff. barometric pressure vs. lower threshold model < 2.0 kPa
Barometric Pressure (BARO) Sensor Short To Battery / Open Circuit
  • Signal voltage > 4.88 V
  
  • 0.2 s
  • Multiple
Barometric Pressure (BARO) Sensor Short To Ground
  • Signal voltage < 0.20 V
Barometric Pressure (BARO) Sensor Out Of Range Low
  • Measured barometric pressure < 45.0 kPa
  • 2.0 s
  • Continuous
Barometric Pressure (BARO) Sensor Out Of Range High
  • Measured barometric pressure > 115.0 kPa
Ignition Control (IC) Communication Check
  • Internal check failure
  • Engine speed > n.a. RPM
  • 0.5 s
  • Continuous
  • SPI communications check Identifier failure
Engine Control Module (ECM): 5V Supply Voltage Internal Hardware Check
  • Under- / overvoltage detection
  
  • 2.0 s
  • Continuous
Engine Control Module (ECM): EEPROM Functional Check
  • Internal checksum failed
  • Ignition on
  • 0.5 s
  • Continuous
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: A/D Converter
  • Test voltage / test pulse check failed
  
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Torque
  • Comparison with allowed engine torque incorrect
  • Internal engine speed > 1, 240 RPM
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Start / Engine Running
  • Engine restart / run not allowed
  
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Start Control / Start Automatic
  • Engine start not allowed
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Engine Speed Deviation
  • Difference between calculated and internal engine speed > 320 RPM
  • Internal engine speed > 520 RPM
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Coding
  • Internal check failed
  
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Ignition Timing
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Intern
  • System reaction incorrect
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Injection Rate Limitation
Engine Control Module (ECM): Electronic Throttle Control Module Function Monitoring: Accelerator Position
  • Comparison voltage sensor 1 with sensor 2 implausible
Engine Control Module (ECM): Electronic Throttle Control Module Monitoring Module
  • Function controller check failed
  • And
  • Monitoring module check no failure
  • SPI-interface no failure
Engine Control Module (ECM): Sensor Integrated Circuit Internal Hardware Check (Electrical Adjustment Communication, Voltage Supply)
  • Check failed
  
Engine Control Module (ECM): WDA Function Monitoring: WDA
  • Over voltage detection failure
  • General cause failure
  • Internal check failure
Engine Control Module (ECM): RAM Controller RAM Check
  • Memory checksum error detected
  • ECM initialization phase active
  • None [-]
  • Once / DCY
P062B Internal Control Module Fuel Injector Control Performance Engine Control Module (ECM): Fuel Injection Valves Communication Check
  • SPI communications check Identifier failure
  • Engine speed > 80 RPM
  • 2.2 s
  • Continuous
  • 2 DCY
 -- Replace the Engine Control Module -J623-. Refer to appropriate repair information.
P0634 Control Module Internal Temperature "A" Too High Fuel Pump Control (FPC) Over-Temperature Power Stage
  • Power stage temperature > 150° C
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Delivery Unit -GX1- / Transfer Fuel Pump -G6-. Refer to Fuel Delivery Unit - GX1- / Transfer Fuel Pump - G6-, CHECKING .
P0638 Throttle Actuator Control Range/Performance Bank 1 Throttle Actuator Rationality Check Open Movement
  • Time to open over reference point > 0.6 s
  • And
  • Deviation to reference point < -1.5%
  • Ignition on
  • Engine speed <= 300 RPM
  • Vehicle speed <= 0 mph
  • ECT @ cylinder block >= 5° C
  • IAT @ manifold >= 5° C
  • 0.0 s
  • Multiple
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
  • Time to close below reference point > 0.3 s
  • And
  • Deviation to reference point > 1.0%
Throttle Actuator Rationality Check Close Movement
  • Time to close to reference point > 0.6 s
  • And
  • Deviation to reference point > 2.88%
  • Engine speed 0 RPM
  • Vehicle speed 0 mph
  • ECT @ cylinder block > -20° C
  • IAT @ manifold > -20° C
  • Case 1:
  • Ignition on
  • Case 2:
  • Engine shut-off-time > 0.5 s
  • Number of checks 3.0 [-]
  • 5.0 s
  • Multiple
Throttle Actuator Signal Range Check @ Mechanical Stop Low
  • TPS 1 signal voltage < 0.40; > 0.80 V
  • Or
  • TPS 2 signal voltage < 4.20; > 4.60 V
  • Engine speed 0 RPM
  • Vehicle speed 0 mph
  • Case 1:
  • Ignition on
  • ECT @ cylinder block -20 - 115° C
  • IAT @ manifold -20 - 143° C
  • Case 2:
  • Engine shut-off-time > 0.5 s
  • ECT @ cylinder block 5 - 115° C
  • IAT @ manifold 5 - 143° C
  • 0.3 s
  • Multiple
P0641 Sensor Reference Voltage "A" Circuit/Open Engine Control Module (ECM): Sensor Reference Circuit A Short Circuit
  • Signal voltage < 4.8; > 5.2 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Replace the Engine Control Module -J623-. Refer to appropriate repair information.
P0651 Sensor Reference Voltage "B" Circuit/Open Engine Control Module (ECM): Sensor Reference Circuit B Short Circuit
  • Signal voltage < 4.8; > 5.2 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Replace the Engine Control Module -J623-. Refer to appropriate repair information.
P0657 Actuator Supply Voltage "A" Circuit/Open Engine Components Supply Voltage Relay Open Circuit
  • Signal voltage 4.70 - 5.40 V
  • Supply voltage relay commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Motronic Engine Control Module Power Supply Relay -J271-. Refer to Motronic Engine Control Module Power Supply Relay - J271-, CHECKING .
P0658 Actuator Supply Voltage "A" Circuit Low Engine Components Supply Voltage Relay Short To Ground
  • Signal voltage < 2.74 - 3.26 V
  • Supply voltage relay commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Motronic Engine Control Module Power Supply Relay -J271-. Refer to Motronic Engine Control Module Power Supply Relay - J271-, CHECKING .
P0659 Actuator Supply Voltage "A" Circuit High Engine Components Supply Voltage Relay Short To Battery Plus
  • Signal current driver stage internal value
  • Supply voltage relay commanded on
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Motronic Engine Control Module Power Supply Relay -J271-. Refer to Motronic Engine Control Module Power Supply Relay - J271-, CHECKING .
P0697 Sensor Reference Voltage "C" Circuit/Open Engine Control Module (ECM): Sensor Reference Circuit C Short Circuit
  • Signal voltage < 4.8; > 5.2 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Replace the Engine Control Module -J623-. Refer to appropriate repair information.
P12A1 Fuel Rail Pressure Sensor Inappropriately Low Fuel Rail Pressure (FRP) Sensor Rationality Check Inappropriately Low
  • Pressure control activity > 0.20 MPa
  • And
  • Fuel trim activity < 0.80 [-]
  • And
  • Difference between target pressure vs. actual pressure -16.38 - 16.38 MPa
  • Engine speed 1, 000 - 2, 000 RPM
  • Engine load 19.99 - 49.99%
  • Evap purge adaptation < 22.0 [-]
  • ECT @ cylinder block >= 63° C
  • IAT @ manifold < 90° C
  • Lambda control closed loop
  • Fuel cut off not active
  • Target pressure 0.0 - 32.8 MPa
  • 5.0 s
  • Multiple
  • 2 DCY
 -- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
P12A2 Fuel Rail Pressure Sensor Inappropriately High Fuel Rail Pressure (FRP) Sensor Rationality Check Inappropriately High
  • Pressure control activity < -0.05 MPa
  • And
  • Fuel trim activity > 1.65 [-]
  • And
  • Difference between target pressure vs. actual pressure -16.38 - 16.38 MPa
  • Engine speed 600 - 900 RPM
  • Engine load 10.01%
  • Evap purge adaptation < 22.0 [-]
  • ECT @ cylinder block >= 63° C
  • IAT @ manifold < 90° C
  • Lambda control closed loop
  • Fuel cut off not active
  • Target pressure 0.0 - 32.8 MPa
  • 5.0 s
  • Multiple
  • 2 DCY
 -- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
P12A4 Fuel Rail Pump Control Valve Stuck Closed Fuel Volume Regulator Control Functional Check: Stuck Close
  • Pressure control activity < -6.0 MPa
  • And
  • Fuel trim activity 0.90 - 1.15 [-]
  • And
  • Difference between target pressure vs. actual pressure < 16.38 MPa
  • Engine speed 600 - 900 RPM
  • Engine load not calibrated %
  • Evap purge adaptation < 22.0 [-]
  • ECT @ cylinder block >= 63° C
  • IAT @ manifold < 90° C
  • Lambda control closed loop
  • Fuel cut off not active
  • 5.0 s
  • Multiple
  • 2 DCY
 -- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
P150A Engine Off Timer Performance Engine Off Time Comparison Of Engine Off Time From Instrument Cluster Control Unit With Engine After Run Time
  • Difference between engine-off time and ECM after-run time < -12.0 s
  • Ignition on
  • CAN active
  • 2.0 s
  • Once / DCY
  • 2 DCY
 -- Replace the Engine Control Module -J623-. Refer to appropriate repair information.
  • Difference between engine-off time and ECM after-run time > 12.0 s
  • Ignition on (during ECM keep alive-time)
  • CAN active
P169A Loading Mode Active Engine Control Module (ECM): Transport Mode Vehicle In Transport Mode
  • Transport mode active
  • For activation:
  • During ECM keep alive-time after ignition off
  • Vehicle speed < 3.1 mph
  • Engine speed 0 RPM
  • Max trip mileage since initial vehicle start-up < 62.15 miles
  • Production mode not active
  • For hybrid:
  • Drive motor off
  • 0.0 s
  • 1 DCY
 -- Perform readiness check. Refer to READINESS CODE .
P2008 Intake Manifold Runner Control Circuit/Open Bank 1 Intake Manifold Runner Control (IMRC) Actuator Open Circuit
  • Signal voltage 4.70 - 5.40 V
  • Tumble flap commanded off
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Intake Manifold Runner Control Valve -N316-. Refer to Intake Manifold Runner Control Valve - N316-, CHECKING .
P2009 Intake Manifold Runner Control Circuit Low Bank 1 Intake Manifold Runner Control (IMRC) Actuator Short To Ground
  • Signal voltage < 2.74 - 3.26 V
  • Tumble flap commanded off
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Intake Manifold Runner Control Valve -N316-. Refer to Intake Manifold Runner Control Valve - N316-, CHECKING .
P2010 Intake Manifold Runner Control Circuit High Bank 1 Intake Manifold Runner Control (IMRC) Actuator Short To Battery Plus
  • signal current driver stage internal value
  • Tumble flap commanded on
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Intake Manifold Runner Control Valve -N316-. Refer to Intake Manifold Runner Control Valve - N316-, CHECKING .
P2014 Intake Manifold Runner Position Sensor/Switch Circuit Bank 1 Intake Manifold Runner Control (IMRC) Position Sensor Out Of Range High
  • Signal voltage > 4.75 V
  • Engine start not active
  • 0.3 s
  • Continuous
  • 2 DCY
 -- Check the Intake Manifold Runner Position Sensor -G336-. Refer to Intake Manifold Runner Position Sensor - G336-, CHECKING .
P2015 Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance Bank 1 Intake Manifold Runner Control (IMRC) Actuator Rationality Check
  • Difference between target position vs. actual position > 25.0%
  • And
  • Actual position < 0; > 100%
  
  • 1.5 s
  • Multiple
  • 2 DCY
 -- Check the Intake Manifold Runner Position Sensor -G336-. Refer to Intake Manifold Runner Position Sensor - G336-, CHECKING .
Intake Manifold Runner Control (IMRC) Actuator Rationality Check Low
  • Difference between target position vs. actual position > 25.0%
  • And
  • Actual position 0 - 100%
  • Flap commanded off
Intake Manifold Runner Control (IMRC) Actuator Rationality Check High
  • Flap commanded on
P2016 Intake Manifold Runner Position Sensor/Switch Circuit Low Bank 1 Intake Manifold Runner Control (IMRC) Position Sensor Out Of Range Low
  • Signal voltage < 0.25 V
  
  • 0.3 s
  • Continuous
  • 2 DCY
 -- Check the Intake Manifold Runner Position Sensor -G336-. Refer to Intake Manifold Runner Position Sensor - G336-, CHECKING .
P2088 "A" Camshaft Position Actuator Control Circuit Low Bank 1 Variable Valve Timing (VVT) Intake Actuator Short To Ground
  • Signal voltage < 2.74 - 3.26 V
  • Camshaft actuator solenoid valve commanded off
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 - N205-, CHECKING .
P2089 "A" Camshaft Position Actuator Control Circuit High Bank 1 Variable Valve Timing (VVT) Intake Actuator Short To Battery Plus
  • Signal current driver stage internal value
  • Camshaft actuator solenoid valve commanded on
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 - N205-, CHECKING .
P2096 Post Catalyst Fuel Trim System Too Lean Bank 1 Fuel System Out Of Range Low
  • I-part of 2nd lambda control loop < -0.040 [-]
  • General:
  • Modeled exhaust gas temp. 450 - 850° C
  • For time > 5.0 s
  • Lambda control closed loop
  • Lambda control not at min or max limit
  • 2nd lambda control closed loop
  • O2S front ready
  • O2S rear ready
  • O2S heater front active
  • O2S heater rear active
  • And
  • Integrated exhaust gas mass > 200.0 g
  • After the following mixture disturbances:
  • Time fuel cut off > 0.5 s
  • Deviation engine load > 50.0 %/rev
  • ECT @ cylinder block < 50° C
  • Catalyst heating active
  • AIR active
  • Lambda set point < 1; > 1 [-]
  • Catalyst purge active
  • Engine speed < 1, 000 RPM
  • For time > 10.0 s
  • Disabling the offset adaptation after repeated transients within a short time:
  • Acceleration enrichment active
  • Or
  • Deceleration enleanment active
  • Then
  • LSU offset adaptation stops if event counter > n/a [-]
  • And
  • Exhaust gas mass flow 20.0 - 300.0 kg/h
  • Or
  • Exhaust gas mass flow 8.0 - 20.0 kg/h
  • Within time 10.0 s
  • 306.0 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P2097 Post Catalyst Fuel Trim System Too Rich Bank 1 Fuel System Out Of Range High
  • I-part of 2nd lambda control loop > 0.040 [-]
  • General:
  • Modeled exhaust gas temp. 450 - 850° C
  • For time > 5.0 s
  • Lambda control closed loop
  • Lambda control not at min or max limit
  • 2nd lambda control closed loop
  • O2S front ready
  • O2S rear ready
  • O2S heater front active
  • O2S heater rear active
  • And
  • Integrated exhaust gas mass > 200.0 g
  • After the following mixture disturbances:
  • Time fuel cut off > 0.5 s
  • Deviation engine load > 50.0 %/rev
  • ECT @ cylinder block < 50° C
  • Catalyst heating active
  • AIR active
  • Lambda set point < 1; > 1 [-]
  • Catalyst purge active
  • Engine speed < 1, 000 RPM
  • For time > 10.0 s
  • Disabling the offset adaptation after repeated transients within a short time:
  • Acceleration enrichment active
  • Or
  • Deceleration enleanment active
  • Then
  • LSU offset adaptation stops if event counter > n/a [-]
  • And
  • Exhaust gas mass flow 20.0 - 300.0 kg/h
  • Or
  • Exhaust gas mass flow 8.0 - 20.0 kg/h
  • Within time 10.0 s
  • 306.0 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P2101 Throttle Actuator "A" Control Motor Circuit Range/Performance Throttle Actuator Rationality Check
  • Deviation throttle value angles vs. throttle value set point > 4.0 - 50.0%
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
Throttle Actuator Signal Range Check
  • Duty cycle > 80%
  • And
  • ECM power stage no failure
  • 5.0 s
  • Continuous
P2106 Throttle Actuator Control System - Forced Limited Power Throttle Actuator Open Circuit
  • Internal check failed
  • Duty cycle > 80%
  • Or
  • Deviation throttle value angles vs. throttle value set point > 4.0 - 50.0%
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
Throttle Actuator Short To Battery Plus / Short To Ground  
Throttle Actuator Temperature / Current Monitoring
Throttle Actuator Functional Check
P2122 Throttle/Pedal Position Sensor/Switch "D" Circuit Low Accelerator Pedal Position (APP) Sensor 1 Out Of Range Low
  • Signal voltage < 0.61 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2123 Throttle/Pedal Position Sensor/Switch "D" Circuit High Accelerator Pedal Position (APP) Sensor 1 Out Of Range High
  • Signal voltage > 4.79 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2127 Throttle/Pedal Position Sensor/Switch "E" Circuit Low Accelerator Pedal Position (APP) Sensor 2 Out Of Range Low
  • Signal voltage < 0.27 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2128 Throttle/Pedal Position Sensor/Switch "E" Circuit High Accelerator Pedal Position (APP) Sensor 2 Out Of Range High
  • Signal voltage > 2.43 V
  
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2138 Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation Accelerator Pedal Position (APP) Sensor 1 And 2 Rationality Check
  • Signal voltage sensor 1 vs 2 > 0.17 - 0.70 V
  • Signal voltage sensor 1 > 445.0 mV
  • Signal voltage sensor 2 > 445.0 mV
  • 0.24 s
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2146 Fuel Injector Group "A" Supply Voltage Circuit/Open Fuel Injection Valves Short To Ground (High Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .
Fuel Injection Valves Short To Battery Plus (High Side)
Fuel Injection Valves Coil Winding (High Side - Low Side)
P2149 Fuel Injector Group "B" Supply Voltage Circuit/Open Fuel Injection Valves Short To Ground (High Side)
  • Signal current driver stage internal value
  • Engine speed > 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .
Fuel Injection Valves Short To Battery Plus (High Side)
Fuel Injection Valves Coil Winding (High Side - Low Side)
P2177 System Too Lean Off Idle Bank 1 Fuel System Too Lean @ Part Load
  • Adaptive value > 28.0%
  • Case 1:
  • Integrated air mass <= 0.0 kg
  • ECT @ cylinder block > 63° C
  • Case 2:
  • Integrated air mass > 0.0 kg
  • Minimum of:
  • ECT @ cylinder block > 63° C
  • Or
  • ECT @ cylinder block > 63° C
  • General:
  • Number of injections after engine start > 1, 200 [-]
  • Engine speed 1, 240 - 6, 000 RPM
  • Engine load 20 - 144%
  • IAT @ manifold < 90° C
  • Lambda control closed loop
  • Evap purge valve closed
  • High PCV purge load due to oil dilution not detected
  • 10.0 s
  • Continuous
  • 2 DCY
 -- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .-- Check the intake system visually for leaks (false air).-- Check the vacuum lines visually for leaks.
P2178 System Too Rich Off Idle Bank 1 Fuel System Too Rich @ Part Load
  • Adaptive value < -21.0%
  • Case 1:
  • Integrated air mass <= 0.0 kg
  • ECT @ cylinder block > 63° C
  • Case 2:
  • Integrated air mass > 0.0 kg
  • Minimum of:
  • ECT @ cylinder block > 63° C
  • Or
  • ECT @ cylinder block > 63° C
  • General:
  • Number of injections after engine start > 1, 200 [-]
  • Engine speed 1, 240 - 6, 000 RPM
  • Engine load 20 - 144%
  • IAT @ manifold < 90° C
  • Lambda control closed loop
  • Evap purge valve closed
  • High PCV purge load due to oil dilution not detected
  • 10.0 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .-- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P2181 Cooling System Performance Engine Cooling System Performance Not In The Expected Range
  • Cooling system temperature too low after a sufficient mass air flow integral < 74 - 84° C
  • Monitor entry conditions:
  • ECT @ cylinder block @ start -7 - 64° C
  • And
  • AAT -7 - 3, 004° C
  • Or
  • IAT @ manifold n.a. ° C
  • Begin of air mass integration:
  • ECT @ cylinder block > 30° C
  • Conditions for diagnosis:
  • Mass air flow < 3, 276.70 kg/h
  • Delta barometric pressure < 3, 276.70 kPa
  • Delta AAT < 3, 003.6 K
  • And
  • Accum. time required < n.a. s
  • Or
  • Accum. integrated air mass < 0.40 - 1.50 kg
  • Accumulation enable if
  • Fuel cut off active
  • Or
  • Engine load > 399.99%
  • Or
  • Engine load < 0.0%
  • Start of fault decision:
  • Integrated air mass > 4.0 - 18.0 kg
  • Conditions at fault decision:
  • (Average values since start)
  • Mass air flow (lower threshold) >= 24.0 - 100.0 kg/h
  • Mass air flow (upper threshold) <= 50.0 - 190.0 kg/h
  • Vehicle speed (lower threshold) >= 19 mph
  • Vehicle speed (upper threshold) <= 75 mph
  • 0.0 (Unified 900.0) s
  • Once / DCY
  • 2 DCY
 -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor - G62-, CHECKING .-- Check the Auxiliary Engine Coolant Pump Relay -J496- / After-Run Coolant Pump -V51-. Refer to Auxiliary Engine Coolant Pump Relay - J496- / After-Run Coolant Pump - V51-, CHECKING .-- Check the engine coolant thermostat. Refer to appropriate repair information.
P2187 System Too Lean at Idle Bank 1 Fuel System Too Lean @ Idle
  • Adaptive value > 5.02%
  • Case 1:
  • Integrated air mass <= 0.0 kg
  • ECT @ cylinder block > 63° C
  • Case 2:
  • Integrated air mass > 0.0 kg
  • Minimum of:
  • ECT @ cylinder block > 63° C
  • Or
  • ECT @ cylinder block > 63° C
  • General:
  • Number of injections after engine start > 1, 200 [-]
  • Engine speed 560 - 1, 200 RPM
  • Engine load 8 - 45%
  • IAT @ manifold < 90° C
  • Delta part load adaptation completed
  • Lambda control closed loop
  • Evap purge valve closed
  • High PCV purge load due to oil dilution not detected
  • 10.0 s
  • Continuous
  • 2 DCY
 -- Check the intake system visually for leaks (air not metered through the MAF).-- Check the vacuum lines visually for leaks.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING -- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2188 System Too Rich at Idle Bank 1 Fuel System Too Rich @ Idle
  • Adaptive value < -5.02%
  • Case 1:
  • Integrated air mass <= 0.0 kg
  • ECT @ cylinder block > 63° C
  • Case 2:
  • Integrated air mass > 0.0 kg
  • Minimum of:
  • ECT @ cylinder block > 63° C
  • Or
  • ECT @ cylinder block > 63° C
  • General:
  • Number of injections after engine start > 1, 200 [-]
  • Engine speed 560 - 1, 200 RPM
  • Engine load 8 - 45%
  • IAT @ manifold < 90° C
  • Delta part load adaptation completed
  • Lambda control closed loop
  • Evap purge valve closed
  • High PCV purge load due to oil dilution not detected
  • 10.0 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING -- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .-- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P2195  O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Out Of Range High
  • Delta lambda of 2nd lambda control loop > 0.080 [-]
  • General:
  • Modeled exhaust gas temp. 450 - 850° C
  • For time > 5.0 s
  • Lambda control closed loop
  • 2nd lambda control closed loop
  • O2S front ready
  • O2S rear ready
  • O2S heater front ready
  • O2S heater rear ready
  • And
  • Integrated exhaust gas mass > 200.0 g
  • After the following mixture disturbances:
  • Time fuel cut off > 0.5 s
  • Deviation engine load > 50.0 %/rev
  • ECT @ cylinder block < 50° C
  • Catalyst heating active
  • AIR active
  • Lambda set point < 1; > 1 [-]
  • Catalyst purge active
  • Engine speed < 1, 000
  • For time > 10.0 s
  • Disabling the offset adaptation after repeated transients within a short time:
  • Acceleration enrichment active
  • Or
  • Deceleration enleanment active
  • Then
  • LSU offset adaptation stops if event counter > n.a. [-]
  • And
  • Exhaust gas mass flow 20.0 - 300.0 kg/h
  • Or
  • Exhaust gas mass flow 8.0 - 20.0 kg/h
  • Within time 10.0 s
  • And
  • Case 1:
  • 1st lambda control loop not at min or max limit
  • 2nd lambda control loop active
  • Or
  • Case 2:
  • 1st lambda control loop at min limit
  • O2S front < 1.0 [-]
  • O2S rear voltage < 0.4 V
  • Or
  • Case 3:
  • 1st lambda control loop at max limit
  • O2S front > 1.0 [-]
  • O2S rear voltage > 0.6 V
  • 306.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2196  O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Out Of Range Low
  • Delta lambda of 2nd lambda control loop < -0.080 [-]
  • General:
  • Modeled exhaust gas temp. 450 - 850° C
  • For time > 5.0 s
  • Lambda control closed loop
  • 2nd lambda control closed loop
  • O2S front ready
  • O2S rear ready
  • O2S heater front ready
  • O2S heater rear ready
  • And
  • Integrated exhaust gas mass > 200.0 g
  • After the following mixture disturbances:
  • Time fuel cut off > 0.5 s
  • Deviation engine load > 50.0 %/rev
  • ECT @ cylinder block < 50° C
  • Catalyst heating active
  • AIR active
  • Lambda set point < 1; > 1 [-]
  • Catalyst purge active
  • Engine speed < 1, 000
  • For time > 10.0 s
  • Disabling the offset adaptation after repeated transients within a short time:
  • Acceleration enrichment active
  • Or
  • Deceleration enleanment active
  • Then
  • LSU offset adaptation stops if event counter > n.a. [-]
  • And
  • Exhaust gas mass flow 20.0 - 300.0 kg/h
  • Or
  • Exhaust gas mass flow 8.0 - 20.0 kg/h
  • Within time 10.0 s
  • And
  • Case 1:
  • 1st lambda control loop not at min or max limit
  • 2nd lambda control loop active
  • Or
  • Case 2:
  • 1st lambda control loop at min limit
  • O2S front < 1.0 [-]
  • O2S rear voltage < 0.4 V
  • Or
  • Case 3:
  • 1st lambda control loop at max limit
  • O2S front > 1.0 [-]
  • O2S rear voltage > 0.6 V
  • 306.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P219C Cylinder 1 Air-Fuel Ratio Imbalance Fuel System A/F Cylinder Imbalance: Out Of Range Low
  • Individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase < 0.87 [-]
  • General:
  • Camshaft adjustment not calibrated
  • Crankshaft adaptation not calibrated
  • Rough road not detected
  • Engine roughness signal valid
  • Engine speed 1, 360 - 2, 920 RPM
  • Engine load 26.30 - 82.50%
  • Selected gear >= 5.0 [-]
  • Barometric pressure > 0.0 kPa
  • AAT > -48° C
  • ECT @ cylinder block 60 - 143° C
  • Modeled catalyst temperature 450 - 900° C
  • Electrical check of O2S front completed
  • Electrical check of O2S rear completed
  • Lambda control closed loop
  • Lambda set value 1 [-]
  • Catalyst heating not active
  • Ratio fuel mass from evap purge system to fuel mass through injectors < 0.30 [-]
  • Integrated air mass >= 2.81 - 11.20 kg
  • Misfire on currently lean shifted cylinder not detected
  • 20.0 (does not run in FTP) s
  • Once / DCY
  • 2 DCY
 -- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .-- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the intake system visually for leaks (air not metered through the MAF).-- Check the vacuum lines visually for leaks.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.
Fuel System A/F Cylinder Imbalance: Out Of Range High
  • > 1.12 [-]
P219D Cylinder 2 Air-Fuel Ratio Imbalance Fuel System A/F Cylinder Imbalance: Out Of Range Low
  • Individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase < 0.87 [-]
  • General:
  • Camshaft adjustment not calibrated
  • Crankshaft adaptation not calibrated
  • Rough road not detected
  • Engine roughness signal valid
  • Engine speed 1, 360 - 2, 920 RPM
  • Engine load 26.30 - 82.50%
  • Selected gear >= 5.0 [-]
  • Barometric pressure > 0.0 kPa
  • AAT > -48° C
  • ECT @ cylinder block 60 - 143° C
  • Modeled catalyst temperature 450 - 900° C
  • Electrical check of O2S front completed
  • Electrical check of O2S rear completed
  • Lambda control closed loop
  • Lambda set value 1 [-]
  • Catalyst heating not active
  • Ratio fuel mass from evap purge system to fuel mass through injectors < 0.30 [-]
  • Integrated air mass >= 2.81 - 11.20 kg
  • Misfire on currently lean shifted cylinder not detected
  • 20.0 (does not run in FTP) s
  • Once / DCY
  • 2 DCY
 -- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .-- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the intake system visually for leaks (air not metered through the MAF).-- Check the vacuum lines visually for leaks.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.
Fuel System A/F Cylinder Imbalance: Out Of Range High
  • > 1.12 [-]
P219E Cylinder 3 Air-Fuel Ratio Imbalance Fuel System A/F Cylinder Imbalance: Out Of Range Low
  • Individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase < 0.87 [-]
  • General:
  • Camshaft adjustment not calibrated
  • Crankshaft adaptation not calibrated
  • Rough road not detected
  • Engine roughness signal valid
  • Engine speed 1, 360 - 2, 920 RPM
  • Engine load 26.30 - 82.50%
  • Selected gear >= 5.0 [-]
  • Barometric pressure > 0.0 kPa
  • AAT > -48° C
  • ECT @ cylinder block 60 - 143° C
  • Modeled catalyst temperature 450 - 900° C
  • Electrical check of O2S front completed
  • Electrical check of O2S rear completed
  • Lambda control closed loop
  • Lambda set value 1 [-]
  • Catalyst heating not active
  • Ratio fuel mass from evap purge system to fuel mass through injectors < 0.30 [-]
  • Integrated air mass >= 2.81 - 11.20 kg
  • Misfire on currently lean shifted cylinder not detected
  • 20.0 (does not run in FTP) s
  • Once / DCY
  • 2 DCY
 -- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .-- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the intake system visually for leaks (air not metered through the MAF).-- Check the vacuum lines visually for leaks.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.
Fuel System A/F Cylinder Imbalance: Out Of Range High
  • > 1.12 [-]
P219F Cylinder 4 Air-Fuel Ratio Imbalance Fuel System A/F Cylinder Imbalance: Out Of Range Low
  • Individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase < 0.87 [-]
  • General:
  • Camshaft adjustment not calibrated
  • Crankshaft adaptation not calibrated
  • Rough road not detected
  • Engine roughness signal valid
  • Engine speed 1, 360 - 2, 920 RPM
  • Engine load 26.30 - 82.50%
  • Selected gear >= 5.0 [-]
  • Barometric pressure > 0.0 kPa
  • AAT > -48° C
  • ECT @ cylinder block 60 - 143° C
  • Modeled catalyst temperature 450 - 900° C
  • Electrical check of O2S front completed
  • Electrical check of O2S rear completed
  • Lambda control closed loop
  • Lambda set value 1 [-]
  • Catalyst heating not active
  • Ratio fuel mass from evap purge system to fuel mass through injectors < 0.30 [-]
  • Integrated air mass >= 2.81 - 11.20 kg
  • Misfire on currently lean shifted cylinder not detected
  • 20.0 (does not run in FTP) s
  • Once / DCY
  • 2 DCY
 -- Check the Fuel Injectors --. Refer to Fuel Injectors, Checking .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .-- Check the EVAP Canister Purge Regulator Valve 1 -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the intake system visually for leaks (air not metered through the MAF).-- Check the vacuum lines visually for leaks.-- Check the fuel pressure and delivery quantity. Refer to fuel system mechanical testing in PRELIMINARY CHECK and/or to appropriate repair information.
Fuel System A/F Cylinder Imbalance: Out Of Range High
  • > 1.12 [-]
P2237 O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Open Circuit Pump Current (IP)
  • O2S voltage signal front < 0.0 V
  • And
  • Fuel cut off > 3.0 s
  • General:
  • O2S ceramic temp. > 720° C
  • Heater control closed loop
  • Case fuel cut off:
  • Electrical adjustment not active
  • Evap purge valve ready
  • Case else:
  • Lambda modulation > 0.02 [-]
  • Lambda control closed loop
  • If stepwise change lambda set point
  • Commanded delta lambda step 0.10 [-]
  • 5.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
  • O2S voltage signal front 1.49 - 1.51 V
  • And
  • Difference between maximum and minimum value of O2S voltage signal front < 32.0 V
  • And
  • Delta lambda controller > 0.10 [-]
  • Or
  • Lambda control at min or max limit
  • 5.0 s
  • Continuous
  • O2S voltage signal front 1.49 - 1.51 V
  • And
  • Difference between maximum and minimum value of O2S voltage signal front < 32.0 V
  • And
  • No reaction on commanded stepwise change of lambda set point <> 1
  • 3.0 s
  • Continuous
P2243 O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Open Circuit Nernst Voltage (UN)
  • O2S voltage signal front < 0.30; > 3.25 V
  • And
  • Internal resistance > 1, 000.0 Ω
  • Heater control active
  • 20.0 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2251 O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Open Circuit Virtual Ground (VM)
  • O2S voltage signal front 1.47 - 1.53 V
  • And
  • Internal resistance > 1, 000.0 Ω
  • Modeled exhaust gas temp. < 700° C
  • No fuel cut off > 2.0 s
  • Heater control active
  • 25.0 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2270  O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2 Oxygen Sensors (O2S) Rear Stuck Lean
  • Sensor voltage < 0.76 V
  • O2S rear ready
  • Integrated exhaust gas mass after O2S rear ready >= 0.05 kg
  • Injection valve commanded on
  • Engine running
  • If
  • Integrated exhaust gas mass >= 4.0 kg
  • Or
  • Error suspicion set
  • Then
  • Enabling lambda ramp slope of the lambda ramp 0.05 1/s
  • Target lambda of the lambda ramp 0.75 [-]
  • Exhaust gas mass during >= 0.10 kg
  • Target lambda reached <= 0.75 [-]
  • If
  • Time fuel cut off > 3.0 s
  • Then disabling for
  • Time delay after fuel cut off 3.0 s
  • Additional conditions
  • Scavenging-rate n.a.
  • Integrated exhaust gas mass n.a.
  • Split factor DFI/MFI n.a.
  • Modeled exhaust gas temperature fitted position O2S rear 380 - 800° C
  • Engine speed 1, 000 - 4, 000 RPM
  • Vehicle speed >= 0 mph
  • Lambda controller output n.a. [-]
  • Within time n.a. s
  • Lambda controller adaptation n.a.
  • Mass air flow 25.0 - 150.0 kg/h
  • Within time 3.0 s
  • 30.0 s
  • Once / DCY
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P2271  O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2 Oxygen Sensors (O2S) Rear Stuck Rich
  • Sensor voltage > 0.15 V
  • General:
  • O2S rear ready
  • Integrated exhaust gas mass after O2S rear ready >= 0.05 kg
  • Injection valve commanded on
  • Engine running
  • Case 1:
  • (During lambda ramp activation)
  • If
  • Integrated exhaust gas mass >= 4.0 kg
  • Or
  • Error suspicion set
  • Then
  • Enabling lambda ramp slope of the lambda ramp 0.05 1/s
  • Target lambda of the lambda ramp 1.15 [-]
  • Exhaust gas mass during >= 0.10 kg
  • Target lambda reached >= 1.15 [-]
  • If
  • Time fuel cut off > 3.0 s
  • Then disabling for
  • Time delay after fuel cut off 3.0 s
  • Additional conditions
  • Scavenging-rate n.a.
  • Integrated exhaust gas mass n.a.
  • Split factor DFI/MFI n.a.
  • Modeled exhaust gas temperature fitted position O2S rear 380 - 800° C
  • Engine speed 1, 000 - 4, 000 RPM
  • Vehicle speed >= 0 mph
  • Lambda controller output n.a. [-]
  • Within time n.a. s
  • Lambda controller adaptation n.a.
  • Mass air flow 25.0 - 150.0 kg/h
  • Within time 3.0 s
  • Case 2:
  • (During fuel cut off) n.a.
  • Modeled exhaust gas temperature fitted position O2S rear n.a.
  • O2S front lambda value (for wide range sensor) n.a.
  • O2S front voltage (for binary sensor) n.a.
  • Fuel cut off n.a.
  • Integrated O2 mass during fuel cut off n.a.
  • Time delay n.a.
  • 30.0 s
  • Once / DCY
  • 2 DCY
 -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P2293 Fuel Pressure Regulator "B" Performance Fuel Volume Regulator HP Control Functional Check
  • Difference between target pressure vs. actual pressure < -1.50 MPa
  • Time after engine start > 10.0 s
  • Time after fuel cut off > 10.0 s
  • Fuel cut off not active
  • Catalyst heating not active
  • Fuel volume regulator control active
  • Relative fuel mass 5.02 - 240.0%
  • 3.5 s
  • Multiple
  • 2 DCY
 -- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
  • Difference between target pressure vs. actual pressure > 1.50 MPa
P2294 Fuel Pressure Regulator "B" Control Circuit/Open Fuel Volume Regulator Control Open Circuit
  • Signal voltage 1.40 - 3.20 V
  • Fuel control valve commanded off
  • Fuel pump commanded on
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
P2295 Fuel Pressure Regulator "B" Control Circuit Low Fuel Volume Regulator Control Short To Ground
  • Signal voltage < 1.40 V
  • Fuel control valve commanded off
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
P2296 Fuel Pressure Regulator "B" Control Circuit High Fuel Volume Regulator Control Short To Battery Plus
  • Signal voltage > 3.20 V
  • Fuel control valve commanded on
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
P2300 Ignition Coil "A" Primary Control Circuit Low Ignition Coil Short To Ground
  • Signal current driver stage internal value
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 1 With Power Output Stage -N70-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P2301 Ignition Coil "A" Primary Control Circuit High Ignition Coil Short To Battery Plus
  • Signal voltage > 5.10 - 7.10 V
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 1 With Power Output Stage -N70-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P2303 Ignition Coil "B" Primary Control Circuit Low Ignition Coil Short To Ground
  • Signal current driver stage internal value
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 2 With Power Output Stage -N127-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P2304 Ignition Coil "B" Primary Control Circuit High Ignition Coil Short To Battery Plus
  • Signal voltage > 5.10 - 7.10 V
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 2 With Power Output Stage -N127-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P2306 Ignition Coil "C" Primary Control Circuit Low Ignition Coil Short To Ground
  • Signal current driver stage internal value
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 3 With Power Output Stage -N291-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P2307 Ignition Coil "C" Primary Control Circuit High Ignition Coil Short To Battery Plus
  • Signal voltage > 5.10 - 7.10 V
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 3 With Power Output Stage -N291-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P2309 Ignition Coil "D" Primary Control Circuit Low Ignition Coil Short To Ground
  • Signal current driver stage internal value
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 4 With Power Output Stage -N292-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P230A Cylinder 1 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance Fuel System A/F Cylinder Imbalance: Rationality Check
  • Cylinder misfire counter > 15.0 [-]
  • General:
  • Camshaft adjustment not calibrated
  • Crankshaft adaptation not calibrated
  • Rough road not detected
  • Engine roughness signal valid
  • Engine speed 1360...2920 RPM
  • Engine load 26.30 - 82.50%
  • Selected gear >= 5.0 [-]
  • Barometric pressure > 0.0 kPa
  • AAT > -48° C
  • ECT @ cylinder block 60 - 143° C
  • Modeled catalyst temperature 450 - 900° C
  • Electrical check of O2S front completed
  • Electrical check of O2S rear completed
  • Lambda control closed loop
  • Lambda set value 1 [-]
  • Catalyst heating not active
  • Ratio fuel mass from evap purge system to fuel mass through injectors < 0.30 [-]
  • Integrated air mass >= 2.81 - 11.20 kg
  • Additional conditions:
  • Cylinder balancing diagnosis of all cylinders active
  • 20.0 (does not run in FTP) s
  • Once / DCY
  • 2 DCY
 -- Check the Cylinder 1 Fuel Injector -N30-. Refer to Fuel Injectors, Checking .
P230B Cylinder 2 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance Fuel System A/F Cylinder Imbalance: Rationality Check
  • Cylinder misfire counter > 15.0 [-]
  • General:
  • Camshaft adjustment not calibrated
  • Crankshaft adaptation not calibrated
  • Rough road not detected
  • Engine roughness signal valid
  • Engine speed 1360...2920 RPM
  • Engine load 26.30 - 82.50%
  • Selected gear >= 5.0 [-]
  • Barometric pressure > 0.0 kPa
  • AAT > -48° C
  • ECT @ cylinder block 60 - 143° C
  • Modeled catalyst temperature 450 - 900° C
  • Electrical check of O2S front completed
  • Electrical check of O2S rear completed
  • Lambda control closed loop
  • Lambda set value 1 [-]
  • Catalyst heating not active
  • Ratio fuel mass from evap purge system to fuel mass through injectors < 0.30 [-]
  • Integrated air mass >= 2.81 - 11.20 kg
  • Additional conditions:
  • Cylinder balancing diagnosis of all cylinders active
  • 20.0 (does not run in FTP) s
  • Once / DCY
  • 2 DCY
 -- Check the Cylinder 2 Fuel Injector -N31-. Refer to Fuel Injectors, Checking .
P230C Cylinder 3 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance Fuel System A/F Cylinder Imbalance: Rationality Check
  • Cylinder misfire counter > 15.0 [-]
  • General:
  • Camshaft adjustment not calibrated
  • Crankshaft adaptation not calibrated
  • Rough road not detected
  • Engine roughness signal valid
  • Engine speed 1360...2920 RPM
  • Engine load 26.30 - 82.50%
  • Selected gear >= 5.0 [-]
  • Barometric pressure > 0.0 kPa
  • AAT > -48° C
  • ECT @ cylinder block 60 - 143° C
  • Modeled catalyst temperature 450 - 900° C
  • Electrical check of O2S front completed
  • Electrical check of O2S rear completed
  • Lambda control closed loop
  • Lambda set value 1 [-]
  • Catalyst heating not active
  • Ratio fuel mass from evap purge system to fuel mass through injectors < 0.30 [-]
  • Integrated air mass >= 2.81 - 11.20 kg
  • Additional conditions:
  • Cylinder balancing diagnosis of all cylinders active
  • 20.0 (does not run in FTP) s
  • Once / DCY
  • 2 DCY
 -- Check the Cylinder 3 Fuel Injector -N32-. Refer to Fuel Injectors, Checking .
P230D Cylinder 4 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance Fuel System A/F Cylinder Imbalance: Rationality Check
  • Cylinder misfire counter > 15.0 [-]
  • General:
  • Camshaft adjustment not calibrated
  • Crankshaft adaptation not calibrated
  • Rough road not detected
  • Engine roughness signal valid
  • Engine speed 1360...2920 RPM
  • Engine load 26.30 - 82.50%
  • Selected gear >= 5.0 [-]
  • Barometric pressure > 0.0 kPa
  • AAT > -48° C
  • ECT @ cylinder block 60 - 143° C
  • Modeled catalyst temperature 450 - 900° C
  • Electrical check of O2S front completed
  • Electrical check of O2S rear completed
  • Lambda control closed loop
  • Lambda set value 1 [-]
  • Catalyst heating not active
  • Ratio fuel mass from evap purge system to fuel mass through injectors < 0.30 [-]
  • Integrated air mass >= 2.81 - 11.20 kg
  • Additional conditions:
  • Cylinder balancing diagnosis of all cylinders active
  • 20.0 (does not run in FTP) s
  • Once / DCY
  • 2 DCY
 -- Check the Cylinder 4 Fuel Injector -N33-. Refer to Fuel Injectors, Checking .
P2310 Ignition Coil "D" Primary Control Circuit High Ignition Coil Short To Battery Plus
  • Signal voltage > 5.10 - 7.10 V
  • Engine speed > 680 RPM
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the Ignition Coil 4 With Power Output Stage -N292-. Refer to Ignition Coils With Power Output Stage --, CHECKING .
P2400 EVAP System Leak Detection Pump Control Circuit/Open Evaporative Emission (EVAP) Leak Detection Pump (LDP) Open Circuit
  • Signal voltage 4.70 -.40 V
  • LDP commanded off
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Leak Detection Pump -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2401 EVAP System Leak Detection Pump Control Circuit Low Evaporative Emission (EVAP) Leak Detection Pump (LDP) Short To Ground
  • Signal voltage < 2.74 - 3.26 V
  • LDP commanded off
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Leak Detection Pump -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2402 EVAP System Leak Detection Pump Control Circuit High Evaporative Emission (EVAP) Leak Detection Pump (LDP) Short To Battery Plus
  • Signal current driver stage internal value
  • LDP commanded on
  • Engine speed >= 80 RPM
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Leak Detection Pump -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2403 EVAP System Leak Detection Pump Sense Circuit/Open Leak Detection Pump (LDP) Reed Sensor Rationality Check Unable To Close
  • Low signal voltage > 0.5 s
  • Time after engine start 12.0 - 65, 530.0 s
  • Preceding engine shut-off time > 21, 600.0 s
  • Or
  • Last ECM keep alive mode n.a.
  • BARO > 73.40 kPa
  • Integrated EVAP purge mass > 12.1 g
  • Vehicle speed 0 - 93 mph
  • Vehicle speed once > 19 mph
  • Selected gear any drive
  • ECT @ cylinder block @ engine shut-off > 0.0 K
  • Evap purge valve ready
  • LDP commanded off
  • ECT @ cylinder block 5 - 120° C
  • ECT @ cylinder block @ start 5 - 50° C
  • Case: 1
  • AAT 4.5 - 59.3° C
  • Case: 2
  • IAT @ manifold n.a.
  • 12.0 s
  • Once / DCY
  • 2 DCY
 -- Check the Leak Detection Pump -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2404 EVAP System Leak Detection Pump Sense Circuit Range/Performance Leak Detection Pump (LDP) Reed Sensor Rationality Check Unable To Open
  • High signal voltage > 12.0 s
  • And
  • Number of checks 30.0 [-]
  • Time after engine start 12.0 - 65, 530.0 s
  • Preceding engine shut-off time > 21, 600.0 s
  • Or
  • Last ECM keep alive mode n.a.
  • BARO > 73.40 kPa
  • Vehicle speed 0 - 93 mph
  • Vehicle speed once > 19 mph
  • Selected gear any drive
  • ECT @ cylinder block @ engine shut-off > 0.0 K
  • Intake manifold vacuum > -256.0 kPa
  • Evap purge valve closed, ready
  • LDP commanded on
  • ECT @ cylinder block 5 - 120° C
  • ECT @ cylinder block @ start 5 - 50° C
  • Case: 1
  • AAT 4.5 - 59.3° C
  • Case: 2
  • IAT @ manifold n.a.
  • 12.0 s
  • Once / DCY
  • 2 DCY
 -- Check the Leak Detection Pump -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
  • Cumulative time of high signal voltage during pumping > 10.0 s
  • 151.0 s
  • Once / DCY
P2414 O2 Sensor Exhaust Sample Error Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Signal Range Check (Check For Sensor At Ambient Air)
  • Threshold 1:
  • Signal voltage 3.10 - 4.81 V
  • Threshold 2:
  • Signal voltage 2.50 - 3.20 V
  • Depending on gain factor, that actual is used for sensor characteristic, the threshold is
  • Lambda set value < 1.6 [-]
  • O2S ceramic temp. > 720° C
  • Fuel cut off not active
  • Heater control closed loop
  • If low fuel signal then wait > 0.0 s
  • Only AIR system
  • AIR not active
  • 15.0 s
  • Multiple
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P2626 O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1 Oxygen Sensors (O2S) Front Open Circuit Adjustment Voltage (IA)
  • O2S voltage signal front > 4.81 V
  • Modeled exhaust gas temp. < 700° C
  • O2S ceramic temp. > 720° C
  • Fuel cut off active
  • Heater control closed loop
  • If low fuel signal then wait > 0.0 s
  • 1.5 s
  • Continuous
  • 2 DCY
 -- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter - GX10-, CHECKING .
P3081 Engine Temperature Too Low Engine Coolant Temperature Sensor @ Cylinder Block Rationality Check
  • Diff. between reference model temperature and measured ECT @ cylinder block > 9.8 K
  
  • 4.0 s
  • Continuous
  • 2 DCY
 -- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor - G62-, CHECKING .
U0001 High Speed CAN Communication Bus CAN: Powertrain Reading Back Sent Message
  • Message no feedback
  • Time after ignition on > 500.0 ms
  • 0.25 s
  • Continuous
  • 2 DCY
 -- Check the CAN-Bus terminal resistance. Refer to CAN-Bus Terminal Resistance, Checking .
U0002 High Speed CAN Communication Bus Performance CAN: Powertrain Communication Check
  • Global time out receiving no message
  • Time after ignition on > 500.0 ms
  • 0.45 s
  • Continuous
  • 2 DCY
 -- Check the CAN-Bus terminal resistance. Refer to CAN-Bus Terminal Resistance, Checking .
U0101 Lost Communication with TCM COM: Transmission Control Module (TCM) Communication with TCM
  • Received message no message
  • Time after ignition on > 500.0 ms
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the CAN-Bus terminal resistance. Refer to CAN-Bus Terminal Resistance, Checking .
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module COM: Brake System Control Module (BSCM) Communication With BSCM
  • Received message no message
  • Time after ignition on > 500.0 ms
  • 0.5 s
  • Continuous
  • 2 DCY
 -- Check the CAN-Bus terminal resistance. Refer to CAN-Bus Terminal Resistance, Checking .
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module COM: Instrument Panel Cluster (IPC) Communication With IPC
  • Received message no message
  • Time after ignition on > 500.0 ms
  • 2.0 s
  • Continuous
  • 2 DCY
 -- Check the CAN-Bus terminal resistance. Refer to CAN-Bus Terminal Resistance, Checking .
U0302 Software Incompatibility With Transmission Control Module COM: Transmission Control Module (TCM) Communication With TCM
  • Received A/T vehicle data TCM signal
  • Time after ignition on > 500.0 ms
  • 5.0 s
  • Continuous
  • 2 DCY
 -- Check for software updates and TSB's. Reprogram as necessary. If none are found, replace the Transmission Control Module -J217-. Refer to appropriate repair information.
U0402 Invalid Data Received From TCM COM: Transmission Control Module (TCM) Communication With TCM
  • Received data implausible message
  • Time after ignition on > 500.0 ms
  • 0.3 s
  • Continuous
  • 2 DCY
 -- Check for software updates and TSB's. Reprogram as necessary. If none are found, replace the Transmission Control Module -J217-. Refer to appropriate repair information.
U0415 Invalid Data Received From Anti-Lock Brake System (ABS) Control Module COM: Vehicle Speed Sensor (VSS) Communication With VSS
  • Speed sensor signal: out of range 203 mph
  • Time after ignition on > 500.0 ms
  • 0.48 s
  • Continuous
  • 2 DCY
 -- Check for correct software version and VIN or update software for the ABS Module if available. If OK, replace the ABS Control Module -J104-. Refer to appropriate repair information.
  • Speed sensor signal: initialization error 203.282 mph
  • 1.98 s
  • Continuous
  • Speed sensor signal: low voltage error 203.387 mph
  • Speed sensor signal: sensor error 203.493 mph
  • 0.48 s
  • Continuous
COM: Brake System Control Module (BSCM) Communication With BSCM
  • Received data implausible message
  • 0.4 s
  • Continuous
Vehicle Speed Sensor (VSS) Out Of Range High
  • Vehicle speed > 199 mph
  
  • 2.0 s
  • Continuous
U0423 Invalid Data Received From Instrument Panel Cluster Control Module COM: Instrument Panel Cluster (IPC) Communication With IPC
  • Received data implausible message
  • Time after ignition on > 500.0 ms
  • 3.0 s
  • Continuous
  • 2 DCY
 -- Check for correct software version and VIN or update software for the IPC Module if available. If OK, replace the Instrument Cluster Control Module -J285-. Refer to appropriate repair information.
COM: Ambient Air Temperature (AAT) Sensor Communication With IPC
  • AAT value (initialization) 0.0 h [-]
  • Ignition on
  • Status AAT from instrument cluster no fault
  • Electrical check AAT sensor no fault
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