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HOMESERVICE MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISTRANSMISSIONTRANSMISSION CONTROL SYSTEMS3.2L - GENERIC SCAN TOOL - ENGINE CODE: BKHST GENERIC SCAN TOOLDIAGNOSIS AND TESTINGENGINE DTC TABLESENGINE CONTROL MODULE
2009 Audi A6 Base

Engine Control Module

2009 Audi A6 BaseSECTION Engine Control Module
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illumination
P0010 "A" Camshaft Position Actuator Circuit Bank 1 Malfunction -- Check Camshaft Adjustment Valve 1 -N205- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING Signal current->0.8 mA Camshaft valve- commanded on 0.5 second
  • Continuous
  • 2 DCY
P0011 "A" Camshaft Position (Bank 1) Timing Over-Advanced or System Performance -- Check Camshaft Adjustment Valve 1 -N205- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING
  • Adjustment angle difference- > 9° CA for more than 2 Sec
  • Number of checks- 3 times
  • Engine speed->800 rpm
  • Modeled oil temperature - 15 - 130 °C
  • Delta set point - <1 degree CA
  • Than wait- 3 - 6 Sec
 3 Sec
  • Continuous
  • 2 DCY
P0013 "B" Camshaft Position Actuator Circuit (Bank 1) Malfunction -- Check Camshaft Adjustment Valve 1 -N208- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING Signal current - > 0.8 mA Camshaft valve- commanded on 2 Sec
  • Continuous
  • 2 DCY
P0014 "B" Camshaft Position (Bank 1) Timing Over-Advanced or System Performance -- Check Camshaft Adjustment Valve 1 -N208- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING
  • Adjustment angle difference- > 9° CA for more than 2 Sec
  • Number of checks- 3 times
  • Engine speed->800 rpm
  • Modeled oil temperature - 15 - 130 °C
  • Delta set point - <1 degree CA
  • Than wait- 3 - 6 Sec.
 0.25 Sec.
  • Continuous
  • 2 DCY
P0020 "A" Camshaft Position Actuator Circuit / Open (Bank 2) -- Check Camshaft Adjustment Valve 1 (exhaust) -N318- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING Signal current- > 0.8 mA Camshaft valve- commanded on 0.5 Sec.
  • Continuous
  • 2 DCY
P0021 "A" Camshaft Position - Timing Over-Advanced or System Performance -- Check Camshaft Adjustment Valve 1 (exhaust) -N318- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING
  • Adjustment angle difference- > 9° CA for more than 2 Sec.
  • Number of checks- 3 times
  • Engine speed->800 rpm
  • Modeled oil temperature - 15 - 130 °C
  • Delta set point - <1 degree CA
  • Than wait- 3 - 6 Sec
 3 Sec.
  • Continuous
  • 2 DCY
P0023 "B" Camshaft Position - Actuator Circuit / Open -- Check the Camshaft Adjustment Valve 1 (exhaust) -N319-. Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING . Signal current- > 0.8 mA Camshaft valve- commanded on 2 Sec.
  • Continuous
  • 2 DCY
P0024 "B" Camshaft Position - Timing Over-Advanced or System Performance -- Check the Camshaft Adjustment Valve 1 (exhaust) -N319-. Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING .
  • Adjustment angle difference- > 9° CA for more than 2 Sec.
  • Number of checks- 3 times
  • Engine speed->800 rpm
  • Modeled oil temperature - 15 - 130 °C
  • Delta set point - <1° CA
  • Than wait- 3 - 6 Sec.
 0.25 Sec.
  • Continuous
  • 2 DCY
P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1) -- Check Oxygen Sensor (O2S) Heater -Z19- Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING Heater current- < 8 - 40 mA
  • Heater- commanded on
  • Duty cycle- 0.4 - 99.6%
 5.2 Sec.
  • Continuous
  • 5 Sec.
P0031 HO2S Heater Control Circuit (Bank 1 Sensor 1) Low -- Check Oxygen Sensor (O2S) Heater -Z19- Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING Heater voltage- < 1.9 - 2.22 V
  • Heater- commanded off
  • Duty cycle- < 99.6%
 5.2 Sec.
  • Continuous
  • 5 Sec.
P0032 HO2S Heater Control Circuit (Bank 1 Sensor 1) High -- Check Oxygen Sensor (O2S) Heater -Z19- Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING Heater current- > 8 - 11 A
  • Heater- commanded off
  • Duty cycle-> 0.4 V
 5.2 Sec.
  • Continuous
  • 5 Sec.
P0036 HO2S Heater Control Circuit (Bank 1 Sensor 2) -- Check Oxygen Sensor (O2S) Heater -Z29- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER, CHECKING Heater current- < 8 - 40 mA
  • Heater- commanded on
  • Duty cycle- 0.4 - 99.6%
 5.2 Sec.
  • Continuous
  • 2 DCY
P0037 HO2S Heater Control Circuit (Bank 1 Sensor 2) Low -- Check Oxygen Sensor (O2S) Heater -Z29- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER, CHECKING Heater voltage- < 1.9 - 2.22 V
  • Heater- commanded off
  • Duty cycle- < 99.6%
 5.2 Sec.
  • Continuous
  • 2 DCY
P0038 HO2S Heater Control Circuit (Bank 1 Sensor 2) High -- Check Oxygen Sensor (O2S) Heater -Z29- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER, CHECKING Heater current Bank 1 > 8 - 11 A
  • Heater- commanded off
  • Duty cycle- < 99.6%
 5.2 Sec.
  • Continuous
  • 2 DCY
P0040 O2 Sensor Circuit, Bank 1- Sensor 1 / Bank 2 - Sensor 1 Swapped -- Check oxygen sensors for swapping.-- Check harness connector with correct coding and color for affiliation to the correct primary catalytic converter according to the wiring diagram. Refer to appropriate SYSTEM WIRING DIAGRAM. Deviation lambda control-sensor 1 - > 24% and sensor 2 - < -24% or sensor 1- <-24% and sensor 2- > 24% Lambda control-active 50 Sec.
  • Continuous
  • 2 DCY
P0041 O2 Sensor Circuit, Bank 1 - Sensor 2/ Bank 2 - Sensor 2 Swapped -- Check oxygen sensors for swapping.-- Check harness connector with correct coding and color for affiliation to the correct primary catalytic converter according to the wiring diagram. Refer to appropriate SYSTEM WIRING DIAGRAM. Sensor 1 - > 0.830 V and Sensor 2 - < 0.156 V or Sensor 1 - < 0.156 V and Sensor 2 - < 0.830 V
  • Mass air flow integrated->400g
  • O2S rear - no other faults
  • O2S rear-closed loop
 50 Sec.
  • Continuous
  • 2 DCY
P0050 O2 Sensor Heater Circuit Bank 2 - Sensor 1 Electrical Fault -- Check Oxygen Sensor (O2S) Heater -Z28- Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING Heater current - < 8 - 40 mA
  • Heater- commanded on
  • Duty cycle- 0.4 - 99.6%
 5.2 Sec.
  • Continuous
  • 5 Sec.
P0051 HO2S Heater Control Circuit (Bank 2 Sensor 1) Low -- Check Oxygen Sensor (O2S) Heater -Z28- Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING Heater voltage - < 1.9 - 2.22 V
  • Heater- commanded off
  • Duty cycle- < 99.6%
 5.2 Sec.
  • Continuous
  • 5 Sec.
P0052 HO2S Heater Control Circuit (Bank 2 Sensor 1) High -- Check Oxygen Sensor (O2S) Heater -Z28- Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING Heater current - > 8 - 11 A
  • Heater- commanded off
  • Duty cycle-> 0.4 V
 5.2 Sec.
  • Continuous
  • 5 Sec.
P0056 HO2S Heater Control Circuit (Bank 2 Sensor 2) -- Check Oxygen Sensor (O2S) Heater -Z30- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER, CHECKING Heater current - < 8 - 40 mA
  • Heater- commanded on
  • Duty cycle- 0.4 - 99.6%
 5.2 Sec.
  • Continuous
  • 2 DCY
P0057 HO2S Heater Control Circuit (Bank 2 Sensor 2) Low -- Check Oxygen Sensor (O2S) Heater -Z30- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER, CHECKING Heater voltage - < 1.9 - 2.22 V
  • Heater- commanded off
  • Duty cycle- < 99.6%
 5.2 Sec.
  • Continuous
  • 2 DCY
P0058 HO2S Heater Control Circuit (Bank 2 Sensor 2) High -- Check Oxygen Sensor (O2S) Heater -Z30- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER, CHECKING Heater current Bank 2 - > 3 - 5 A
  • Heater- commanded off
  • Duty cycle-> 0.4 V
 5.2 Sec.
  • Continuous
  • 2 DCY
P0068 MAP Sensor Circuit Rationality Check -- Check Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71- Refer to INTAKE AIR TEMPERATURE / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING
  • deviation throttle controller < 43 or > 43%
  • pressure quotient < 0.53
  • engine speed 512...3600 RPM
  • time after engine start > 70 Sec
  • fuel cut-off not active
  • throttle position >4.5%
  • fuel trim activity -15...15%
 5 Sec
  • Continuous
  • 2 DCY
P0069 Intake manifold <-> air pressure incorrect allocation -- Check Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71- Refer to INTAKE AIR TEMPERATURE / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING -- Check intake system for leaks (false air). Component Locations Overview Altitude sensor signal vs IM pressure->27 kPa
  • Modeled pressure ratio @ throttle -< 0.05 or Throttle position - 28° - 81°
  • Engine speed - 600 - 4, 000 rpm
 3 Sec.
  • Continuous
  • 2 DCY
P0090 Fuel Metering Valve Electrical Malfunction -- Check Fuel pressure regulator and residual pressure -- Refer to Component Locations Overview -- Check Fuel Pressure Sensor -G247- FUEL PRESSURE SENSOR, CHECKING Signal voltage - < 3 V Camshaft valve commanded off 2 Sec.
  • Continuous
  • 2 DCY
P0091 Fuel Pressure Regulator 1 Control Circuit Low -- Check Fuel pressure regulator and residual pressure -- Refer to Component Locations Overview -- Check Fuel Pressure Sensor -G247- FUEL PRESSURE SENSOR, CHECKING Signal current - > 1 Amp Camshaft valve - commanded on 2 Sec.
  • Continuous
  • 2 DCY
P0094 Fuel System Leak Detected - Small Leak -- Check Fuel pressure regulator and residual pressure -- Refer to Component Locations Overview -- Check Fuel Pressure Sensor -G247- FUEL PRESSURE SENSOR, CHECKING Signal voltage -< 3 V Camshaft valve - commanded off 2 Sec.
  • Continuous
  • 2 DCY
P0095 Manifold Absolute Pressure / Barometric Pressure Circuit Range / Performance -- Check Intake Air Temperature (IAT) Sensor -G42- Refer to INTAKE AIR TEMPERATURE / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING -- Check intake system for leaks (false air). Component Locations Overview Signal current - > 1 Amp Camshaft valve - commanded on 2 Sec.
  • Continuous
  • 2 DCY
P0106 Manifold Absolute Pressure / Barometric Pressure Circuit Range/Performance -- Check Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71- Refer to INTAKE AIR TEMPERATURE / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING -- Check intake system for leaks (false air). Component Locations Overview
  • Altitude sensor signal vs IM pressure- > 20 kPa
  • Altitude sensor signal vs IM pressure- > 20 kPa
  • Altitude sensor signal vs IM pressure- > 27 kPa
  • Engine speed- 0 rpm
  • Time after engine start- 0 Sec..
  • Engine speed- 0 rpm
  • Time after engine start- 0 Sec..
  • Modeled pressure ratio @ throttle-< 0.05 or Throttle position- 28° - 81°
  • Engine speed- 600 - 4, 000 rpm
 3 Sec.
  • Continuous
  • 2 DCY
P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low -- Check Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71- Refer to INTAKE AIR TEMPERATURE / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING -- Check intake system for leaks (false air). Component Locations Overview Signal voltage- < 0.2 V --- 2 Sec.
  • Continuous
  • 2 DCY
P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High -- Check Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71- Refer to INTAKE AIR TEMPERATURE / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING -- Check intake system for leaks (false air). Component Locations Overview Signal voltage- > 4.8 V --- 2 Sec.
  • Continuous
  • 2 DCY
P0112 Intake Air Temperature Sensor 1 Circuit Low -- Check Intake Air Temperature (IAT) Sensor -G42- Refer to INTAKE AIR TEMPERATURE / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING -- Check intake system for leaks (false air). Component Locations Overview IAT > 141.0 °C --- 2 Sec.
  • Continuous
  • 2 DCY
P0113 Intake Air Temperature Sensor 1 Circuit High -- Check Intake Air Temperature (IAT) Sensor -G42- Refer to INTAKE AIR TEMPERATURE / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING -- Check intake system for leaks (false air). Component Locations Overview IAT- < 1.992 V --- 2 Sec.
  • Continuous
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance -- Check Engine Coolant Temperature (ECT) Sensor -G62- Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING
  • Delta ECT-< 3 K
  • Delta ECT- 11 - 2 K
  • ECT @ start- 75° - 87 °C or 110° - 141° C
  • Driving condition 1 > 22 Sec.
  • Vehicle speed->12.5 mph
  • Engine speed- > 2, 500 rpm
  • and
  • Driving condition 2 > 22 Sec.
  • Fuel cut off-active or Vehicle speed- > 65 mph
  • Engine speed - idle
  • ECT @ start-<75 °C
  • Delta modeled ECT- 22.5 - 4.5 K
 155 Sec. 30 Sec.
  • Once per DCY
  • 2 DCY
P0117 Engine Coolant Temperature Sensor 1 Circuit Low -- Check Engine Coolant Temperature (ECT) Sensor -G62- Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING ECT- > 14 1 °C --- 2 Sec.
  • Continuous
  • 2 DCY
P0118 Engine Coolant Temperature Sensor 1 Circuit High -- Check Engine Coolant Temperature (ECT) Sensor -G62- Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING ECT-<-45.75 °C --- 2 Sec.
  • Continuous
  • 2 DCY
P0121 Throttle / Pedal Position Sensor A Circuit Range / Performance -- Check Throttle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING TPS 1 - TPS 2-> 5.79° and Relative mass air integral->100 @ 0.45 Sec.
  • Engine start - completed
  • TPS - no fault
 0.2 Sec.
  • Continuous
  • 2 DCY
P0122 Throttle / Pedal Position Sensor A Circuit Low Input. -- Check Throttle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING Signal voltage- < 0.117 V TPS 1 - TPS 2- > 5.79° and Relative mass air integral- > 100 @ 0.45 Sec.
  • ---
  • Engine start - completed
  • TPS - no fault
 0.2 Sec.
  • Continuous
  • 2 DCY
P0123 Throttle / Pedal Position Sensor A Circuit High Input -- Check Throttle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING Signal voltage- > 4.888 V --- 0.2 Sec.
  • Continuous
  • 2 DCY
P0131 O2 Sensor Circuit, Bank 1- Sensor 1 Low Voltage -- Check Heated Oxygen Sensor (HO2S) -G39- Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
  • Short to ground- < 0.13 V.
  • O2S not ready after dew-point exceeded-> 40 Sec.
  • UEGO ceramic temperature- < 730 or 830° C
  • Lambda deflection cumulated- < 0.5 after 30 cycles
  • O2S signal front- < 2.1 V
  • O2S signal front-<0.2 V for 5 Sec.
  • Engine speed- > 416 rpm
  • O2S front dew-point exceeded
  • LSU heater control - active.
  • O2S front dew-point - exceeded
  • LSU heater control - active
  • Lambda control - active
  • O2S signal front -1.982 - 2.1 V
  • Engine speed- > 992 rpm
  • Engine load->20 kg/h
  • Lambda modulation->1% and >1.4 Sec.
  • Fuel cut off->2 Sec.
  • Modeled exhaust gas temperature->380 °C
  • Heater-failed
  • 3 Sec.
  • 40 Sec.
  • 120 Sec.
  • 42 Sec.
  • 4.5 Sec.
  • 10 Sec.
  • Continuous
  • 2 DCY
  • Once per DCY
  • 2 DCY
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
  • Once per DCY
  • 2 DCY
P0132 O2 Sensor Circuit High Voltage -- Check Heated Oxygen Sensor (HO2S) -G39- Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Short to battery positive- > 5.5 V Engine speed- > 416 rpm 3 Sec.
  • Continuous
  • 5 Sec.
P0133 O2 Sensor Circuit Slow Response -- Check Heated Oxygen Sensor (HO2S) -G39- Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Lambda value vs. modeled lambda value->0.7998
  • Modeled temperature- 500 - 950 °C
  • ECT->60 °C
  • Engine speed- 700 - 3, 000 rpm
  • Engine speed deviation - 518 rpm
  • Mass air flow - 0.426 - 1.2 g/rev
  • Delta mass air flow -< 0.264 g/rev
  • Evap canister load- < 40%
 65 Sec.
  • Once per DCY
  • 2 DCY
P0135 O2 Sensor Heater Circuit, Bank 1- Sensor 1 Electrical Fault -- Check Oxygen Sensor (O2S) Heater -Z19- Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING
  • O2S not ready after dew-point exceeded -.40 Sec.
  • UEGO ceramic temperature - < 730° or > 830° C
  • O2S front dew-point - exceeded
  • Heater control - active
  • O2S front - no other faults
  • O2S front dew-point - exceeded
  • Heater control - active
  • Lambda control - active
  • O2S front- no other faults
  • 240 Sec.
  • 120 Sec.
  • Once per DCY
  • 2 DCY
  • Continuous
  • 2 DCY
P0136 O2 Sensor Circuit, Bank 1 - Sensor 2 Malfunction -- Check Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- Refer to HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING Signal voltage- > 0.3 V
  • Integrated mass air flow- 20 - 150g
  • Fuel cut off-active
 5 Sec.
  • Continuous
  • 2 DCY
P0137 O2 Sensor Circuit, Bank 1- Sensor 2 Low Voltage -- Check Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- Refer to HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING Signal voltage- < 20 mV and Internal resistance- < 10 Ω
  • O2S rear dew-point - exceeded
  • O2S rear-fully heated up
  • Mass air flow- > 12 kg/h
 5 Sec.
  • Continuous
  • 2 DCY
P0138 O2 Sensor Circuit High Voltage -- Check Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- Refer to HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING Signal voltage-> 1.5 V --- 5 Sec.
  • Continuous
  • 2 DCY
P0140 O2 Sensor Circuit No Activity Detected -- Check Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- Refer to HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING Internal resistance-> 60 kΩ and Signal voltage - 0.376 - 0.474 V Modeled exhaust temperature-> 555 °C or Signal voltage - 0.21 - 0.76 V 5 Sec.
  • Continuous
  • 2 DCY
P0141 O2 Sensor Heater Circuit, Bank 1 - Sensor 2 Electrical Fault -- Check Oxygen Sensor (O2S) Heater -Z29- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER, CHECKING Internal resistance- > 65535 Ω
  • Modeled exhaust gas temperature- xxx - 400 °C
  • Heater duty cycle- 0.8 - 99.2%
 60 Sec.
  • Once per driving cycle
  • 2 DCY
P0151 Bank 2- sensor 1 Voltage too low -- Check Heated Oxygen Sensor (HO2S) 2 -G108- Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
  • Short to ground -< 0.13 V
  • O2S not ready after dew-point exceeded- > 40 Sec.
  • UEGO ceramic temperature- < 730° or 830° C
  • Lambda deflection cumulated- < 0.5 after 30 cycles
  • O2S signal front-< 2.1 V
  • O2S signal front-< 0.2 V for 5 Sec.
  • Engine speed->416 rpm
  • O2S front dew-point - exceeded
  • LSU heater control- active
  • O2S front dew-point - exceeded
  • LSU heater control-active
  • Lambda control-active
  • O2S signal front- 1.982 - 2.1 V
  • Engine speed- > 992 rpm
  • Engine load->20 kg/h
  • Lambda modulation- > 1% and >1.4 Sec
  • Fuel cut off->2 Sec.
  • Modeled exhaust gas temperature->380 °C
  • Heater-failed
  • 3 Sec
  • 40 Sec
  • 120 Sec
  • 42 Sec
  • 4.5 Sec
  • 10 Sec
  • Continuous
  • 2 DCY
  • Once per driving cycle
  • 2 DCY
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
  • Once per driving cycle
  • 2 DCY
P0152 O2 Sensor Circuit, Bank 2 - Sensor 1 High Voltage -- Check Heated Oxygen Sensor (HO2S) 2 -G108- Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Short to battery positive- > 5.5 V Engine speed -> 416 rpm 3 Sec
  • Continuous
  • 5 Sec
P0153 O2 Sensor Circuit, Bank 2 - Sensor 1 Slow Response -- Check Heated Oxygen Sensor (HO2S) 2 -G108- Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Lambda value vs. modeled lambda value- > 0.7998
  • Modeled temperature- 500° - 950° C
  • ECT-> 60° C
  • Engine speed- 700 - 3, 000 rpm
  • Engine speed deviation - 518 rpm
  • Mass air flow - 0.426 - 1.2 g/rev
  • Delta mass air flow-< 0.264 g/rev
  • Evap canister load-<40%
 65 Sec
  • Once per driving cycle
  • 2 DCY
P0155 O2 Sensor Heater Circuit, Bank 2 - Sensor 1 Electrical Fault -- Check Oxygen Sensor (O2S) Heater -Z28- Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING
  • O2S not ready after dew-point exceeded -.40 Sec
  • UEGO ceramic temperature- < 730 °C or > 830 °C
  • O2S front dew-point - exceeded
  • Heater control - active
  • O2S front-no other faults
  • O2S front dew-point - exceeded
  • Heater control - active
  • Lambda control - active
  • O2S front-no other faults
  • 240 Sec.
  • 120 Sec
  • Once per DCY
  • 2 DCY
  • Continuous
  • 2 DCY
P0156 O2 Sensor Circuit, Bank 2 - Sensor 2 Malfunction -- Check Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G131- Refer to HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING Signal voltage- > 0.3 V
  • Integrated mass air flow - 20 - 150g
  • Fuel cut off-active
 5 Sec
  • Continuous
  • 2 DCY
P0157 O2 Sensor Circuit, Bank 2 - Sensor 2 Low Voltage -- Check Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G131- Refer to HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING Signal voltage-< 20 mV and Internal resistance-< 10 Ω
  • O2S rear dew-point-exceeded
  • O2S rear-fully heated up Mass air flow- > 12 kg/h
 5 Sec
  • Continuous
  • 2 DCY
P0158 O2 Sensor Circuit, Bank 2 - Sensor 2 High VoltageSignal -- Check Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G131- Refer to HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING voltage- > 1.5 V --- 5 Sec
  • Continuous
  • 2 DCY
P0160 O2 Sensor Circuit No Activity Detected -- Check Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G131- Refer to HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING Internal resistance-> 60kΩ and Signal voltage - 0.376 - 0.474 V Modeled exhaust temperature-> 555 °C or Signal voltage - 0.21 - 0.76 V 5 Sec
  • Continuous
  • 2 DCY
P0161 HO2S Heater Control Circuit (Bank 2 Sensor 2) -- Check Oxygen Sensor (O2S) Heater -Z30- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER, CHECKING Internal resistance-> 65535 Ω
  • Modeled exhaust gas temperature - xxx - 400 °C
  • Heater duty cycle - 0.8 - 99.2%
 60 Sec
  • Once per DCY
  • 2 DCY
P0171 System too Lean, Bank 1 -- Check fuel pump delivery and quantity -- Refer to FUEL DELIVERY, CHECKING -- Check Fuel pressure regulator and residual pressure -- Component Locations Overview -- Check Fuel injectors -- FUEL INJECTORS, CHECKING -- Check intake system for leaks (false air). Component Locations Overview -- Check exhaust system for proper seal. EXHAUST SYSTEM, CHECKING FOR LEAKS -- Check vacuum lines for leaks. Component Locations Overview
  • Additive
  • System too lean
  • Adaptive value - > 6%
  • Multiplicative
  • System too lean
  • Adaptive value- > 25%
  • Lambda control- closed loop
  • Evap purge valve - closed
  • IAT->-10 °C
  • ECT or Sub. ECT- >75 °C
  • Engine speed - 1, 100 rpm
  • Mass air flow-<22 kg/h
  • Fuel adaptation-active & stable
  • Lambda control-closed loop
  • Evap purge valve-closed
  • IAT->-10 °C
  • ECT or Sub. ECT- > 75 °C
  • Engine speed-<4, 800 rpm
  • Mass air flow - 34 - 450 kg/h
  • Fuel adaptation-active & stable
  • Engine load->12 - 60%
 35 Sec
  • Continuous
  • 2 DCY
P0172 System too Rich, Bank 1 -- Check Fuel pressure regulator and residual pressure -- Refer to Component Locations Overview -- Check Fuel injectors -- FUEL INJECTORS, CHECKING -- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- EVAP CANISTER PURGE REGULATOR VALVE, CHECKING -- Check oxygen sensors -- before catalytic converter HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check oxygen sensors -- behind Three Way Catalytic Converter (TWC) HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING
  • Additive
  • System too rich
  • Adaptive value - < -8%
  • Multiplicative
  • System too rich
  • Adaptive value- < -25%
  • Lambda control- closed loop
  • Evap purge valve - closed
  • IAT->-10° C
  • ECT or Sub. ECT- >75 °C
  • Engine speed - 1, 100 rpm
  • Mass air flow-<22 kg/h
  • Fuel adaptation-active & stable
  • Lambda control-closed loop
  • Evap purge valve-closed
  • IAT->-10 °C
  • ECT or Sub. ECT- > 75 °C
  • Engine speed-<4, 800 rpm
  • Mass air flow - 34 - 450 kg/h
  • Fuel adaptation-active & stable
  • Engine load->12 - 60%
 35 Sec
  • Continuous
  • 2 DCY
P0174 System too Lean, Bank 2 -- Check fuel pump delivery and quantity -- Refer to FUEL DELIVERY, CHECKING -- Check Fuel pressure regulator and residual pressure -- Component Locations Overview -- Check Fuel injectors -- FUEL INJECTORS, CHECKING -- Check intake system for leaks (false air). Component Locations Overview -- Check exhaust system for proper seal [For transmission(s) 01J] Removal and Installation -- Check vacuum lines for leaks. Component Locations Overview
  • .Additive
  • System too lean
  • Adaptive value - > 6%
  • Multiplicative
  • System too lean
  • Adaptive value- > 25%
  • Lambda control- closed loop
  • Evap purge valve - closed
  • IAT->-10 °C
  • ECT or Sub. ECT- >75 °C
  • Engine speed - 1, 100 rpm
  • Mass air flow-<22 kg/h
  • Fuel adaptation-active & stable
  • Lambda control-closed loop
  • Evap purge valve-closed
  • IAT->-10 °C
  • ECT or Sub. ECT- > 75 °C
  • Engine speed-<4, 800 rpm
  • Mass air flow - 34 - 450 kg/h
  • Fuel adaptation-active & stable
  • Engine load->12 - 60%
 35 Sec
  • Continuous
  • 2 DCY
P0175 System too Rich, Bank 2 -- Check Fuel pressure regulator and residual pressure -- Refer to Component Locations Overview -- Check Fuel injectors -- FUEL INJECTORS, CHECKING -- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- EVAP CANISTER PURGE REGULATOR VALVE, CHECKING -- Check oxygen sensors -- before catalytic converter HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check oxygen sensors -- behind Three Way Catalytic Converter (TWC) HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING
  • Additive
  • System too rich
  • Adaptive value - <- 8%
  • Multiplicative
  • System too rich
  • Adaptive value- < -25%
  • Lambda control- closed loop
  • Evap purge valve - closed
  • IAT->-10° C
  • ECT or Sub. ECT- >75 °C
  • Engine speed - 1, 100 rpm
  • Mass air flow-<22 kg/h
  • Fuel adaptation-active & stable
  • Lambda control-closed loop
  • Evap purge valve-closed
  • IAT->-10 °C
  • ECT or Sub. ECT- > 75 °C
  • Engine speed-<4, 800 rpm
  • Mass air flow - 34 - 450 kg/h
  • Fuel adaptation-active & stable
  • Engine load->12 - 60%
 35 Sec
  • Continuous
  • 2 DCY
P0190 Fuel Pressure Sensor -G247- Electrical Malfunction -- Check Fuel Pressure Sensor -G247- Refer to FUEL PRESSURE SENSOR, CHECKING Signal voltage- > 4.8 V --- 2 Sec
  • Continuous
  • 2 DCY
P0192 Fuel Rail Pressure Sensor Circuit Low -- Check Fuel Pressure Sensor -G247- Refer to FUEL PRESSURE SENSOR, CHECKING Signal voltage- < 0.2 V --- 2 Sec
  • Continuous
  • 2 DCY
P0201 Injector Circuit/Open Cylinder 1 -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current-<10 A and Signal voltage- > 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0202 Injector Circuit/Open Cylinder 2 -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current-<10 A and Signal voltage- > 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0203 Injector Circuit/Open Cylinder 3 -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current-<10 A and Signal voltage- > 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0204 Injector Circuit/Open Cylinder 4 -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current-<10 A and Signal voltage- > 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0205 Injector Circuit/Open Cylinder 5 -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current-<10 A and Signal voltage- > 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0206 Injector Circuit/Open Cylinder 6 -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current-<10 A and Signal voltage- > 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0222 Throttle/Pedal Position Sensor / Switch -B- Circuit Low -- Check Throttle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING Signal voltage- < 0.117 V --- 0.2 Sec
  • Continuous
  • 2 DCY
P0223 Throttle/Pedal Position Sensor / Switch -B- Circuit High -- Check Throttle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING Signal voltage- > 4.888 V --- 0.2 Sec
  • Continuous
  • 2 DCY
P0261 Cylinder 1 Injector Circuit Low -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current < 10 A and Signal Voltage < 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0262 Cylinder 1 Injector Circuit High -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current-> 16 A Injection valve- commanded on 3 Sec
  • Continuous
  • 2 DCY
P0264 Cylinder 2 Injector Circuit Low -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current < 10 A and Signal Voltage < 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0265 Cylinder 2 Injector Circuit High -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current- > 16 A Injection valve- commanded on 3 Sec
  • Continuous
  • 2 DCY
P0267 Cylinder 3 Injector Circuit Low -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current < 10 A and Signal Voltage < 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0268 Cylinder 3 Injector Circuit High -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current- > 16 A Injection valve- commanded on 3 Sec
  • Continuous
  • 2 DCY
P0270 Cylinder 4 Injector Circuit Low -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current < 10 A and Signal Voltage < 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0271 Cylinder 4 Injector Circuit High -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current- > 16 A Injection valve- commanded on 3 Sec
  • Continuous
  • 2 DCY
P0273 Cylinder 5 Fuel Injector -N83-Short circuit to Ground (GND) -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current < 10 A and Signal Voltage < 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0274 Cylinder 5 Fuel Injector -N83-Short circuit to B+ -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current- > 16 A Injection valve- commanded on 3 Sec
  • Continuous
  • 2 DCY
P0276 Cylinder 6 Fuel Injector -N84-Short circuit to Ground (GND) -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current < 10 A and Signal Voltage < 3.5 V
  • injection valve- commanded on
  • Injection valve- commanded off
 3 Sec
  • Continuous
  • 2 DCY
P0277 Cylinder 6 Fuel Injector -N84-Short circuit to B+ -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current- > 16 A Injection valve- commanded on 3 Sec
  • Continuous
  • 2 DCY
P0300 Random / Multiple Cylinder Misfire Detected -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING -- Check Ignition Coil with Power Output Stage -- IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING
  • Emission Threshold, 1st interval % MR- > 2.0%
  • Emission Threshold, misfire rate MR- > 1.5%
  • Catalyst damage, misfire rate MR- >1.5 - 15%
  • Engine speed range- 150 - 6, 850 rpm
  • Engine torque-> 0 Nm
  • fuel cut off- Not active
  • 1, 000 rev
  • 200 rev
  • Continuous
  • 2 DCY
  • Immed
P0301 Cylinder 1 Misfire Detected -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING -- Check Ignition Coil with Power Output Stage -- IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING
  • Emission Threshold, 1st interval % MR- > 2.0%
  • Emission Threshold, misfire rate MR- > 1.5%
  • Catalyst damage, misfire rate MR- >1.5 - 15%
  • Engine speed range- 150 - 6, 850 rpm
  • Engine torque-> 0 Nm
  • fuel cut off- Not active
  • 1, 000 rev
  • 200 rev
  • Continuous
  • 2 DCY
  • Immed
P0302 Cylinder 2 Misfire Detected -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING -- Check Ignition Coil with Power Output Stage -- IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING
  • Emission Threshold, 1st interval % MR- > 2.0%
  • Emission Threshold, misfire rate MR- > 1.5%
  • Catalyst damage, misfire rate MR- >1.5 - 15%
  • Engine speed range- 150 - 6, 850 rpm
  • Engine torque-> 0 Nm
  • fuel cut off- Not active
  • 1, 000 rev
  • 200 rev
  • Continuous
  • 2 DCY
  • Immed
P0303 Cylinder 3 Misfire Detected -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING -- Check Ignition Coil with Power Output Stage -- IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING
  • Emission Threshold, 1st interval % MR- > 2.0%
  • Emission Threshold, misfire rate MR- > 1.5%
  • Catalyst damage, misfire rate MR- >1.5 - 15%
  • Engine speed range- 150 - 6, 850 rpm
  • Engine torque-> 0 Nm
  • fuel cut off- Not active
  • 1, 000 rev
  • 200 rev
  • Continuous
  • 2 DCY
  • Immed
P0304 Cylinder 4 Misfire Detected -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING -- Check Ignition Coil with Power Output Stage -- IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING
  • Emission Threshold, 1st interval % MR- > 2.0%
  • Emission Threshold, misfire rate MR- > 1.5%
  • Catalyst damage, misfire rate MR- >1.5 - 15%
  • Engine speed range- 150 - 6, 850 rpm
  • Engine torque-> 0 Nm
  • fuel cut off- Not active
  • 1, 000 rev
  • 200 rev
  • Continuous
  • 2 DCY
  • Immed
P0305 Cylinder 5 Misfire Detected -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING -- Check Ignition Coil with Power Output Stage -- IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING
  • Emission Threshold, 1st interval % MR- > 2.0%
  • Emission Threshold, misfire rate MR- > 1.5%
  • Catalyst damage, misfire rate MR- >1.5 - 15%
  • Engine speed range- 150 - 6, 850 rpm
  • Engine torque-> 0 Nm
  • fuel cut off- Not active
  • 1, 000 rev
  • 200 rev
  • Continuous
  • 2 DCY
  • Immed
P0306 Cylinder 6 Misfire Detected -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING -- Check Ignition Coil with Power Output Stage -- IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING
  • Emission Threshold, 1st interval % MR- > 2.0%
  • Emission Threshold, misfire rate MR- > 1.5%
  • Catalyst damage, misfire rate MR- >1.5 - 15%
  • Engine speed range- 150 - 6, 850 rpm
  • Engine torque-> 0 Nm
  • fuel cut off- Not active
  • 1, 000 rev
  • 200 rev
  • Continuous
  • 2 DCY
  • Immed
P0326 Knock Sensor 1 Circuit Range/Performance -- Check Knock Sensor (KS) 1 -G61- -- Loosen knock sensor and tighten again to 20 Nm-- Eliminate abnormal engine noise (components loose, brackets/bolts broken)-- Change fuel types Lower threshold- < 0.029 V
  • Engine speed->2, 656 rpm
  • Mass air flow->0.75 g/rev
 40 times
  • Continuous
  • 2 DCY
P0327 Knock Sensor 1 Circuit Low -- Check Knock Sensor (KS) 1 -G61- -- Loosen knock sensor and tighten again to 20 Nm-- Eliminate abnormal engine noise (components loose, brackets/bolts broken)-- Change fuel types Lower threshold- 0.18 V
  • Engine speed->2, 656 rpm
  • Mass air flow->0.75 g/rev
 40 times
  • Continuous
  • 2 DCY
P0328 Knock Sensor 1- G61 Circuit High -- Check Knock Sensor (KS) 1 -G61- -- Loosen knock sensor and tighten again to 20 Nm-- Eliminate abnormal engine noise (components loose, brackets/bolts broken)-- Change fuel types Upper threshold- 4.8 V
  • Engine speed->2, 656 rpm
  • Mass air flow->0.75 g/rev
 40 times
  • Continuous
  • 2 DCY
P0331 Knock Sensor 2- G66 Circuit Range/Performance -- Check Knock Sensor (KS) 2 -G66- Refer to KNOCK SENSOR, CHECKING -- Loosen knock sensor and tighten again to 20 Nm-- Eliminate abnormal engine noise (components loose, brackets/bolts broken)-- Change fuel types Upper threshold- > 1.992 V
  • Engine speed->2, 656 rpm
  • Mass air flow->0.75 g/rev
 40 times
  • Continuous
  • 2 DCY
P0332 Knock Sensor 2 Circuit Low -- Check Knock Sensor (KS) 2 -G66- Refer to KNOCK SENSOR, CHECKING -- Loosen knock sensor and tighten again to 20 Nm-- Eliminate abnormal engine noise (components loose, brackets/bolts broken)-- Change fuel types Lower threshold- 0.18 V
  • Engine speed->2, 656 rpm
  • Mass air flow->0.75 g/rev
 40 times
  • Continuous
  • 2 DCY
P0333 Knock Sensor 2- G66 Circuit High -- Check Knock Sensor (KS) 2 -G66- Refer to KNOCK SENSOR, CHECKING -- Loosen knock sensor and tighten again to 20 Nm-- Eliminate abnormal engine noise (components loose, brackets/bolts broken)-- Change fuel types Upper threshold- 4.8 V
  • Engine speed->2, 656 rpm
  • Mass air flow->0.75 g/rev
 40 times
  • Continuous
  • 2 DCY
P0335 Crankshaft Position Sensor (A) Circuit- G28 Malfunction -- Check Engine Speed (RPM) Sensor -G28- Refer to ENGINE SPEED SENSOR, CHECKING
  • Delta signal voltage- > 1 V
  • Internal signal voltage- < 1.5 V
  • Internal voltage- > 3.5 V
  • RPM signal-no signal
 Engine speed- 32 rpm 0.4 Sec.
  • Continuous
  • 2 DCY
P0336 Crankshaft Position Sensor (A) Circuit- G28 Range / Performance -- Check Engine Speed (RPM) Sensor -G28- Refer to ENGINE SPEED SENSOR, CHECKING
  • RPM signal comparison with phase sensor- not synchronous
  • Counted versus reference teeth- > 1 Counted versus reference teeth- > 1
  • Actual time value vs. modeled time value - >1.375
  • Engine speed- > 32 rpm
  • Engine speed- > 416 rpm
  • Engine speed- > 480 rpm
 0.4 Sec. 0.3 Sec. 25 Sec.
  • Continuous
  • 2 DCY
P0340 Camshaft Position Sensor (A) Circuit Incorrect allocation -- Check Camshaft Position (CMP) Sensor -G40- and Camshaft Position (CMP) Sensor 2 -G163- Refer to CAMSHAFT POSITION SENSORS, CHECKING Signal voltage-no altering @ 4 revs. Engine speed->416 rpm 0.4 Sec.
  • Continuous
  • 2 DCY
P0341 Camshaft Position Sensor (A) Circuit Range / Performance -- Check Camshaft Position (CMP) Sensor -G40- and Camshaft Position (CMP) Sensor 2 -G163- Refer to CAMSHAFT POSITION SENSORS, CHECKING Actual time value- < 1 (-) Engine speed->416 rpm 0.1 Sec.
  • Continuous
  • 2 DCY
P0345 Camshaft Position Sensor (A) Circuit -- Check Camshaft Position (CMP) Sensor -G40- and Camshaft Position (CMP) Sensor 2 -G163- Refer to CAMSHAFT POSITION SENSORS, CHECKING Signal voltage-no altering @ 4 revs. Engine speed->416 rpm 0.4 Sec.
  • Continuous
  • 2 DCY
P0346 Camshaft Position Sensor "A" Circuit Range / Performance -- Check Camshaft Position (CMP) Sensor -G40- and Camshaft Position (CMP) Sensor 2 -G163- Refer to CAMSHAFT POSITION SENSORS, CHECKING Actual time value- < 1 (-) Engine speed->416 rpm 0.1 Sec.
  • Continuous
  • 2 DCY
P0351 Ignition Coil (A) Primary / Secondary Circuit Malfunction -- Check Ignition Coil with Power Output Stage -- Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING Signal current- < 0.05 - 0.2 mA Engine speed- 512 rpm 2 Sec.
  • Continuous
  • 2 DCY
P0352 Ignition Coil (B) Primary / Secondary Circuit Malfunction -- Check Ignition Coil with Power Output Stage -- Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING Signal current- < 0.05 - 0.2 mA Engine speed- 512 rpm 2 Sec.
  • Continuous
  • 2 DCY
P0353 Ignition Coil (C) Primary / Secondary Circuit Malfunction -- Check Ignition Coil with Power Output Stage -- Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING Signal current- < 0.05 - 0.2 mA Engine speed- 512 rpm 2 Sec.
  • Continuous
  • 2 DCY
P0354 Ignition Coil (D) Primary / Secondary Circuit Malfunction -- Check Ignition Coil with Power Output Stage -- Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING Signal current- < 0.05 - 0.2 mA Engine speed- 512 rpm 2 Sec.
  • Continuous
  • 2 DCY
P0355 Ignition Coil (E) Primary / Secondary Circuit Malfunction -- Check Ignition Coil with Power Output Stage -- Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING Signal current- < 0.05 - 0.2 mA Engine speed- 512 rpm 2 Sec.
  • Continuous
  • 2 DCY
P0356 Ignition Coil (F) Primary / Secondary Circuit Malfunction -- Check Ignition Coil with Power Output Stage -- Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING Signal current- < 0.05 - 0.2 mA Engine speed- 512 rpm 2 Sec.
  • Continuous
  • 2 DCY
P0365 Camshaft Position Sensor (B) Circuit (Bank 1) Malfunction -- Check Camshaft Position (CMP) Sensor 3 -G300- and Camshaft Position (CMP) Sensor 4 -G301- Refer to CAMSHAFT POSITION SENSORS, CHECKING Signal voltage-no altering @ 4 revs. Engine speed->416 rpm 0.4 Sec.
  • Continuous
  • 2 DCY
P0366 Camshaft Position Sensor (B) Circuit (Bank 1) Range / Performance -- Check Camshaft Position (CMP) Sensor 3 -G300- and Camshaft Position (CMP) Sensor 4 -G301- Refer to CAMSHAFT POSITION SENSORS, CHECKING Actual time value-<1 (-) Engine speed->416 rpm 0.1 Sec.
  • Continuous
  • 2 DCY
P0390 Camshaft Position Sensor (B) Circuit (Bank 2) Malfunction -- Check Camshaft Position (CMP) Sensor 3 -G300- and Camshaft Position (CMP) Sensor 4 -G301- Refer to CAMSHAFT POSITION SENSORS, CHECKING Signal voltage-no altering @ 4 revs. Engine speed->416 rpm 0.4 Sec.
  • Continuous
  • 2 DCY
P0391 Camshaft Position Sensor (B) Circuit (Bank 2) Range / Performance -- Check Camshaft Position (CMP) Sensor 3 -G300- and Camshaft Position (CMP) Sensor 4 -G301- Refer to CAMSHAFT POSITION SENSORS, CHECKING
  • Adaptive value vs. target value-> 21°
  • Actual time value-vs. modeled time value- 1 - 3.5
  • Engine speed->416 rpm
  • Duty cycle-commanded off ---
  • 2.0 Sec.
  • 3.0 Sec.
  • Continuous
  • 2 DCY
P0421 Warm Up Catalyst, Bank 1 Efficiency Below Threshold -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check oxygen sensors -- behind Three Way Catalytic Converter (TWC) HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING -- Check catalytic converter THREE WAY CATALYTIC CONVERTER, CHECKING Amplitude ratio O2S - >0.6 (-)
  • Modeled exhaust temperature- 500° - 950 °C
  • ECT- > 60° C
  • Engine speed- 700 - 3, 500 rpm
  • Engine speed- deviation- 350 rpm
  • Mass air flow- 0.48 - 1.11 g/rev
  • Evap canister load-low
 70 Sec.
  • Once per driving cycle
  • 2 DCY
P0431 Warm Up Catalyst Efficiency Below Threshold -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check oxygen sensors -- behind Three Way Catalytic Converter (TWC) HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING -- Check catalytic converter THREE WAY CATALYTIC CONVERTER, CHECKING Amplitude ratio O2S - >0.6 (-) Modeled exhaust temperature- 500° - 950 °C ECT- > 60 °C Engine speed- 700 - 3, 500 rpm Engine speed- deviation- 350 rpm Mass air flow- 0.48 - 1.11 g/rev Evap canister load-low 70 Sec.
  • Once per driving cycle
  • 2 DCY
P0441 Evaporative Emission System Incorrect Purge Flow -- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- Refer to EVAP CANISTER PURGE REGULATOR VALVE, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview
  • deviation lambda control < 12% or
deviation idle control- < 8%
  • Engine speed-idle rpm
  • Engine speed deviation- < 80 rpm
  • ECT- > 59.25 °C
  • Sub. ECT- > 59.25 °C
  • IAT @ engine start- > 5 °C
  • Altitude- < 2, 500 m
 25 Sec.
  • Once per driving cycle
  • 2 DCY
P0442 Evaporative Emission System Leak Detected (small leak) -- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- Refer to EVAP CANISTER PURGE REGULATOR VALVE, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Time for pressure drop- 1.0 - 1.3 Sec.
  • Evap purge valve- closed
  • LDP- activated
  • Number of diagnosis attempts- <=2
  • IAT- > 5.25 °C
  • Delta ambient pressure- 0.3 kPa
  • Delta drop after engine start-<9.75 K
  • Time after engine start- > 210 - 1, 200 Sec.
  • ECT @ start- 4.5 - 35 °C
  • Vehicle speed- > 6 mph
 140 Sec.
  • Once per driving cycle
  • 2 DCY
P0444 Evaporative Emission System Pure Control Valve Circuit Open -- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- Refer to EVAP CANISTER PURGE REGULATOR VALVE, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Open circuit->0.8 mA Evap purge valve-commanded off 2.0 Sec.
  • Once per driving cycle
  • 2 DCY
P0455 Evaporative Emission System Leak Detected (large leak) -- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- Refer to EVAP CANISTER PURGE REGULATOR VALVE, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Time for pressure drop- < 0.65 - 0.8 Sec.
  • Evap purge valve-closed
  • LDP- activated
  • Altitude- < 2, 500 m
  • Number of diagnosis attempts- < =2
  • IAT->5.25 °C
  • Delta ambient pressure- 0.3 kPa
  • IAT drop after engine start- < 9.75 K
  • Time after engine start-> 210 - 1, 022 Sec.
  • ECT @ start- 4.5 - 35 °C
  • Vehicle speed->6 mph
 140 Sec.
  • Once per driving cycle
  • 2 DCY
P0456 Evaporative Emission System Leak Detected (very small leak) -- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- Refer to EVAP CANISTER PURGE REGULATOR VALVE, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Time for pressure drop-<4.5 - 6.0 Sec.
  • Evap purge valve- closed
  • LDP- activated
  • Altitude- < 2, 500 m
  • Number of diagnosis attempts-< = 10
  • IAT->5.25° C
  • Delta ambient pressure- 0.2 kPa
  • I AT drop after engine start- < 9.75 K
  • Time after engine start- > 210 - 1, 200 Sec.
  • ECT @ start - 4.5° - 35° C
  • Vehicle speed- 6 - 80.7 mph
  • Vehicle acceleration- < 2.1 m/s
 140 Sec.
  • Once per driving cycle
  • 2 DCY
P0458 Evaporative Emission (EVAP) Canister Purge Regulator Valve- N80- Short circuit to Ground (GND) -- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- Refer to EVAP CANISTER PURGE REGULATOR VALVE, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Short to ground- < 2.0 V
  • Evap purge valve-commanded off
  • Engine start-completed
 2 Sec.
  • Once per driving cycle
  • 2 DCY
P0459 Evaporative Emission (EVAP) Canister Purge Regulator Valve - N80- Short circuit to B+ -- Check Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- Refer to EVAP CANISTER PURGE REGULATOR VALVE, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Short to battery positive- > 1.0 A
  • Evap purge valve-commanded off
  • Engine start-completed
 2 Sec.
  • Once per driving cycle
  • 2 DCY
P0501 Vehicle Speed Sensor "A" Range / Performance -- Check Engine Speed (RPM) Sensor -G28- Refer to ENGINE SPEED SENSOR, CHECKING VSS signal- > 184 mph Time after start- 3 Sec. 5 Sec.
  • Multiple
  • 2 DCY
P0506 Idle Air Control System RPM Lower Than Expected -- Check Throttle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING Engine speed deviation-> -80 rpm
  • Engine speed- idle
  • Vehicle speed- 0 mph
  • Mass air flow-< 0.72 g/rev
  • Evap purge flow-<1 kg/h
  • ECT- 60° - 110 °C
 13 Sec.
  • Multiple
  • 2 DCY
P0507 Idle Air Control System RPM Higher Than Expected -- Check Throttle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING Engine speed deviation-> 80 rpm
  • Engine speed- idle
  • Vehicle speed- 0 mph
  • Mass air flow-< 0.72 g/rev
  • Evap purge flow-<1 kg/h
  • ECT- 60° - 110 °C
 13 Sec.
  • Multiple
  • 2 DCY
P0601 Internal Control Module Memory Check Sum Error -- Replace Engine Control Module (ECM) -J623- Refer to ENGINE CONTROL MODULE, REPLACING Internal check sum-incorrect --- 2 Sec.
  • Once per driving cycle
  • 2 DCY
P0603 Internal Control Module Keep Alive Memory (KAM) Error -- Replace the Transmission Control Module (TCM) -J217- Refer to TRANSMISSION CONTROL MODULE, REPLACING for 09L transmissions or TRANSMISSION CONTROL MODULE, REPLACING for 01J transmissions. SPI communication-lost --- 1.5 Sec.
  • Continuous
  • 2 DCY
P0604 Internal Control Module Random Access Memory (RAM) Error -- Replace Engine Control Module (ECM) -J623- Refer to ENGINE CONTROL MODULE, REPLACING -- Replace the Transmission Control Module (TCM) -J217- Refer to TRANSMISSION CONTROL MODULE, REPLACING for 09L transmissions or TRANSMISSION CONTROL MODULE, REPLACING for 01J transmissions. Write ability check- failed --- 2 Sec.
  • Continuous
  • 2 DCY
P0605 Internal Control Module Read Only Memory (ROM) Error -- Replace Engine Control Module (ECM) -J623- Refer to ENGINE CONTROL MODULE, REPLACING -- Replace the Transmission Control Module (TCM) -J217- Refer to TRANSMISSION CONTROL MODULE, REPLACING for 09L transmissions or TRANSMISSION CONTROL MODULE, REPLACING for 01J transmissions. ROM check-failed --- 2 Sec.
  • Continuous
  • 2 DCY
P0606 Internal Control Module Memory Check Sum Error -- Replace Engine Control Module (ECM) -J623- Refer to ENGINE CONTROL MODULE, REPLACING -- Replace the Transmission Control Module (TCM) -J217- Refer to TRANSMISSION CONTROL MODULE, REPLACING for 09L transmissions or TRANSMISSION CONTROL MODULE, REPLACING for 01J transmissions.
  • SPI communication- lost
  • Signal voltage- < 4.8 V
  • Signal voltage- < 0.2 V
  • Boost voltage-< 30 or 75 V
  • EEPROM check- failed
  • Drive by wire module check- failed
  • Engine torque- out of range
  • Engine operation-out of range
  • CAN bus-no message
  • ---
  • ---
  • ---
  • ---
  • ---
  • ---
  • ---
  • ---
  • ---
  • 10 m Sec.
  • 2 Sec.
  • 2 Sec.
  • 2 Sec.
  • 2 Sec.
  • 2 Sec.
  • 2 Sec.
  • 2 Sec.
  • 0.51 Sec.
  • Continuous
  • 2 DCY
  • Once per driving cycle
  • 2 DCY
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
  • Continuous
  • 2 DCY
P0638 Throttle Actuator Control, Bank 1 Range / Performance -- Check Throttle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING -- Check Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185- THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING
  • Duty cycle->0.4 Sec. @ >98°
  • Open to 15°->1.275 Sec. then close to ref. point->1.28 Sec. Gradient->7°
  • Close to 1.99° ->1.275 Sec. Then open to ref. point->1.28 Sec. Gradient-<7°
  • TPS 1 signal voltage- 0.2.8 - 0.852 V or TPS 2 signal voltage- 4.158 - 4.802 V
  • Engine start- not active
  • ECT- 6 - 105 °C
  • IAT-> 5 °C
  • Engine speed-< 320 rpm
  • Vehicle speed-<1 mph
 0.45 Sec.
  • Continuous
  • 2 DCY
P0657 Supply for engine components Open circuit -- Check Engine Control Module (ECM) Power Supply Relay -J363- Refer to ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING Signal voltage->0.8 mA Engine relay-commanded on 1.5 Sec.
  • Continuous
  • 2 DCY
P0658 Supply for engine components Too low -- Check Engine Control Module (ECM) Power Supply Relay -J363- Refer to ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING Signal voltage->2.0 V Engine relay-commanded off 1.5 Sec.
  • Continuous
  • 2 DCY
P0659 Supply voltage for engine components too large -- Check Engine Control Module (ECM) Power Supply Relay -J363- Refer to ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING Signal current->1 Amp Engine relay-commanded on 1.5 Sec.
  • Continuous
  • 2 DCY
P0686 (ECM/PCM) Power Relay Control Circuit = > - J363- Low -- Check Engine Control Module (ECM) Power Supply Relay -J363- Refer to ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING Sense voltage->4.0 V Main relay-commanded off 0.1 Sec.
  • Once per driving cycle
  • 2 DCY
P0687 (ECM/PCM) Power Relay Control Circuit = > - J363- High -- Check Engine Control Module (ECM) Power Supply Relay -J363- Refer to ENGINE CONTROL MODULE POWER SUPPLY RELAY, CHECKING Sense voltage-< 6.0 V Main relay-commanded on 0.1 Sec.
  • Continuous
  • 2 DCY
P2004 Intake Manifold Runner Control (IMRC), bank 1 Stuck open -- Check Intake Manifold Runner Position Sensor -G336- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 1, CHECKING Signal voltage- < 2.65 V
  • Time after engine start- 15 Sec.
  • Duty cycle-commanded open
 8 Sec.
  • Continuous
  • 2 DCY
P2005 Intake manifold flap for air stream regulation, bank 2 Stuck open -- Check Intake Manifold Runner Position Sensor 2 (P2020) -G512- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 2, CHECKING Signal voltage-< 2.65 V
  • Time after engine start- 15 Sec.
  • Duty cycle-commanded open
 8 Sec.
  • Continuous
  • 2 DCY
P2006 Intake manifold flap for air stream regulation, bank 1 Stuck closed -- Check Intake Manifold Runner Position Sensor -G336- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 1, CHECKING Signal voltage-> 4 V
  • Time after engine start- 15 Sec.
  • Duty cycle-commanded closed
 8 Sec.
  • Continuous
  • 2 DCY
P2007 Intake manifold flap for air stream regulation, bank 2 Stuck closed -- Check Intake Manifold Runner Position Sensor 2 (P2020) -G512- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 2, CHECKING Signal voltage-> 4 V
  • Time after engine start- 15 Sec.
  • Duty cycle-commanded closed
 8 Sec.
  • Continuous
  • 2 DCY
P2008 Intake manifold Runner Control (IMRC) electrical malfunction -- Check Intake Manifold Runner Position Sensor -G336- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 1, CHECKING Signal current->0.8 mA Duty cycle-commanded on 2 Sec.
  • Continuous
  • 2 DCY
P2009 Intake Manifold Runner Bank 1 Short to ground -- Check Intake Manifold Runner Position Sensor -G336- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 1, CHECKING Signal voltage-. 2 V Duty cycle-commanded off 2 Sec.
  • Continuous
  • 2 DCY
P2010 Intake Manifold Runner Bank 1 Short to B+ -- Check Intake Manifold Runner Position Sensor -G336- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 1, CHECKING Signal current->1 A Duty cycle-commanded on 2 Sec.
  • Continuous
  • 2 DCY
P2014 Intake Manifold Runner Position Sensor / Switch Circuit -- Check Intake Manifold Runner Position Sensor -G336- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 1, CHECKING Signal voltage-<0.2 V --- 2 Sec.
  • Continuous
  • 2 DCY
P2015 Intake Manifold Runner Position Sensor/Switch Circuit Range / Performance -- Check Intake Manifold Runner Position Sensor -G336- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 1, CHECKING
  • Signal voltage- 4.5 - 4.8 V
  • 0.5 - 0.2 V
  • ECT- > 6° C
IAT- > 6° C		 0.5 Sec.
  • Continuous
  • 3 DCY
P2017 Intake Manifold Runner Position Sensor Short to B+ -- Check Intake Manifold Runner Position Sensor -G336- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 1, CHECKING Signal voltage-> 4.8 V --- 2 Sec.
  • Continuous
  • 2 DCY
P2019 Sensor for intake manifold flap position 2 Electrical Malfunction -- Check Intake Manifold Runner Position Sensor 2 (P2020) -G512- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 2, CHECKING Signal voltage-< 0.2 V --- 2 Sec.
  • Continuous
  • 2 DCY
P2020 Sensor for intake manifold flap position 2 Range / Performance -- Check Intake Manifold Runner Position Sensor 2 (P2020) -G512- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 2, CHECKING
  • Signal voltage- 4.5 - 4.8 V
  • 0.5 - 0.2 V
  • ECT- > 6° C
IAT- > 6° C		 0.5 Sec.
  • Continuous
  • 2 DCY
P2022 Intake Manifold Runner Position Sensor 2 Short to B+ -- Check Intake Manifold Runner Position Sensor 2 (P2020) -G512- Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR 2, CHECKING Signal voltage->4.8 V --- 2 Sec.
  • Continuous
  • 2 DCY
P2088 'A' Camshaft Position Actuator Circuit Bank 1 Short circuit to Ground (GND) -- Check Camshaft Adjustment Valve 1 (exhaust) -N318- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING Signal voltage-< 3 V Camshaft valve-commanded off 2 Sec.
  • Continuous
  • 2 DCY
P2089 'A' Camshaft Position Actuator Circuit Bank 1Short circuit to B+ -- Check Camshaft Adjustment Valve 1 (exhaust) -N318- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING Signal current-> 1 Amp Camshaft valve-commanded on 2 Sec.
  • Continuous
  • 2 DCY
P2092 'A' Camshaft Position Actuator Control Circuit Low -- Check Camshaft Adjustment Valve 1 (exhaust) -N318- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING Signal voltage-< 3 V Camshaft valve-commanded off 2 Sec.
  • Continuous
  • 2 DCY
P2093 'A' Camshaft Position Actuator Control Circuit High -- Check Camshaft Adjustment Valve 1 (exhaust) -N318- Refer to CAMSHAFT ADJUSTMENT VALVE, CHECKING Signal current-> 1 Amp Camshaft valve-commanded on 2 Sec.
  • Continuous
  • 2 DCY
P2096 Bank 1, oxygen sensor correction behind cat Lean control limit exceeded -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check oxygen sensors -- behind Three Way Catalytic Converter (TWC) HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING -- Check intake system for leaks (false air). Component Locations Overview Integral part of lambda control post cat->10%
  • Lambda control-closed loop
  • lambda control post cat-closed loop
  • Engine speed- 1, 200 - 4, 000 rpm
  • Engine load- 14.4 - 5.8%
  • Modeled catalyst temperature->62° C
  • Set value- 0.96 - 1.04
 120 Sec..
  • Continuous
  • 2 DCY
P2097 Bank 1, oxygen sensor correction behind cat Rich control limit exceeded -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check oxygen sensors -- behind Three Way Catalytic Converter (TWC) HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING -- Check Component Locations Overview intake system for leaks (false air). Integral part of lambda control post cat-<-10%
  • Lambda control-closed loop
  • lambda control post cat-closed loop
  • Engine speed- 1, 200 - 4, 000 rpm
  • Engine load- 14.4 - 5.8%
  • Modeled catalyst temperature->62° C
  • Set value- 0.96 - 1.04
 120 Sec..
  • Continuous
  • 2 DCY
P2098 Bank 2, oxygen sensor correction behind cat Lean control limit exceeded -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check oxygen sensors -- behind Three Way Catalytic Converter (TWC) HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING -- Check intake system for leaks (false air). Component Locations Overview Integral part of lambda control post cat->10%
  • Lambda control-closed loop
  • lambda control post cat-closed loop
  • Engine speed- 1, 200 - 4, 000 rpm
  • Engine load- 14.4 - 5.8%
  • Modeled catalyst temperature->62° C
  • Set value- 0.96 - 1.04
 120 Sec..
  • Continuous
  • 2 DCY
P2099 Bank 2, oxygen sensor correction behind cat Rich control limit exceeded -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check oxygen sensors -- behind Three Way Catalytic Converter (TWC) HEATED OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING -- Check intake system for leaks (false air). Component Locations Overview Integral part of lambda control post cat-<-10%
  • Lambda control-closed loop
  • lambda control post cat-closed loop
  • Engine speed- 1, 200 - 4, 000 rpm
  • Engine load- 14.4 - 5.8%
  • Modeled catalyst temperature->62° C
  • Set value- 0.96 - 1.04
 120 Sec..
  • Continuous
  • 2 DCY
P2101 Throttle Actuator Control Motor Circuit Range/Performance -- Check the Throttle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING Duty cycle- > 0.4 Sec. @ >98% and Actual TPS-ref. point->1.5° or Actual TPS-calc. value- > 0.4 @ > 8° Engine start-not active 0.45 Sec.
  • Continuous
  • 2 DCY
P2106 Throttle Actuator Control System - Forced Limited Power -- Check theThrottle Valve Control Module -J338- Refer to THROTTLE VALVE CONTROL MODULE, CHECKING ECM power stage-failure Engine start-completed 0.45 Sec.
  • Continuous
  • 2 DCY
P2122 Throttle/Pedal Position Sensor/Switch -C- Circuit Low -- Check Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185- Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING Signal voltage- < 0.4 V --- 0.2 Sec.
  • Continuous
  • 2 DCY
P2123 Throttle/Pedal Position Sensor/Switch -C- Circuit High -- Check Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185- Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING Signal voltage-> 4.844 V --- 0.2 Sec.
  • Continuous
  • 2 DCY
P2127 Accelerator pedal position sender 2 -G185 signal too low -- Check Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185- Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING Signal voltage-< 0.2 V --- 0.2 Sec.
  • Continuous
  • 2 DCY
P2128 Accelerator pedal position sender 2 - G185 signal too low -- Check Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185- Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING Signal voltage- > 2.8 V --- --- ---
P2138 Throttle/Pedal Position Sensor/Switch -C- Circuit Range / Performance -- Check Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185- Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING Delta signal voltage sensor 1 vs. sensor 2- > 0.244 V --- 0.35 Sec..
  • Continuous
  • 2 DCY
P2147 Fuel Injector Group "A" Supply Voltage Circuit Low -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current->12 A Injection valve-commanded on 3 Sec.
  • Continuous
  • 2 DCY
P2148 Fuel Injector Group "A" Supply Voltage Circuit High -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current->33 A Injection valve-commanded on 3 Sec.
  • Continuous
  • 2 DCY
P2150 Fuel Injector Group "B" Supply Voltage Circuit Low -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current->12 A Injection valve-commanded on 3 Sec.
  • Continuous
  • 2 DCY
P2151 Fuel Injector Group "B" Supply Voltage Circuit High -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current->33 A Injection valve-commanded on 3 Sec.
  • Continuous
  • 2 DCY
P2153 Fuel Injector Group "C" Supply Voltage Circuit Low -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current->12 A Injection valve-commanded on 3 Sec.
  • Continuous
  • 2 DCY
P2154 Fuel Injector Group "C" Supply Voltage Circuit High -- Check Fuel injectors -- Refer to FUEL INJECTORS, CHECKING Signal current->33 A Injection valve-commanded on 3 Sec.
  • Continuous
  • 2 DCY
P2181 Malfunction in cooling system -- Check Engine Coolant Temperature (ECT) Sensor -G62- Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING -- Check Coolant Pump -V50- [For transmission(s) 01J] Removal and Installation -- Check Coolant Thermostat. [For transmission(s) 01J] Diagnosis and Testing ECT-<75 °C @ Mass air integral- 5.0 - 14.0 kg
  • ECT @ start- 5.0 - 57° C
  • Accum. fuel cut off- < 120 Sec.
  • Delta ambient pressure average value:<1.5 kPa
  • Vehicle speed- 19 - 75 mph
  • Mass air flow- 50 - 200 kg/h
 500 Sec.
  • Once per driving cycle
  • 2 DCY
P2195 O2 Sensor Signal Stuck Lean Bank 1 Sensor 1 -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
  • Lambda value- > 0.9941
  • Lambda value->1.1(-)
  • Fault code detected- P2096 or P2097 or P2098 or P2099
  • O2S rear- ready
  • Exhaust mass air integral-> 0.1 kg
  • set-value- 0.85
  • Lambda control-closed loop
  • Lambda control post cat.-closed loop
  • ECT->60° C
  • Engine speed- > 992 rpm
  • Engine speed deviation- < 150 rev.
  • Engine load- 30 - 300 kg/h
  • Delta engine load- < 0.15 g/rev
  • Lambda deviation- < 3%
  • Integrated mass air flow- 150 g
  • Modeled exhaust temperature- 500° - 750° C
  • O2S signal rear-> 0.752 V
  • Deviation lambda control- > 35%
  • 25 Sec..
  • 100 Sec..
  • Once per driving cycle
  • 2 DCY
  • Continuous
  • 2 DCY
P2196 O2 Sensor Signal Stuck Rich Bank 1 Sensor 1 -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
  • Lambda valve-<1.04
  • Lambda value-<0.9
  • Fault code detected- P2096 or P2097 or P2098 or P2099
  • O2S rear- ready
  • Exhaust mass air integral-> 0.1 kg
  • set-value 1.15
  • Lambda control-closed loop
  • Lambda control post cat.-closed loop
  • ECT->60° C
  • Engine speed- > 992 rpm
  • Engine speed deviation- < 150 rev.
  • Engine load- 30 - 300 kg/h
  • Delta engine load- < 0.15 g/rev
  • Lambda deviation- < 3%
  • Integrated mass air flow- 150 g
  • Modeled exhaust temperature- 500° - 750° C
  • O2S signal rear-> 0.151 V
  • deviation lambda control- > -35%
  • 25 Sec..
  • 100 Sec..
  • Once per driving cycle
  • 2 DCY
  • Continuous
  • 2 DCY
P2197 O2 Sensor Signal Stuck Lean Bank 2 Sensor 1 -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
  • Lambda value- > 0.9941
  • Lambda value->1.1(-)
  • Fault code detected- P2096 or P2097 or P2098 or P2099
  • O2S rear- ready
  • Exhaust mass air integral-> 0.1 kg
  • set-value- 0.85
  • Lambda control-closed loop
  • Lambda control post cat.-closed loop
  • ECT->60° C
  • Engine speed- > 992 rpm
  • Engine speed deviation- < 150 rev.
  • Engine load- 30 - 300 kg/h
  • Delta engine load- < 0.15 g/rev
  • Lambda deviation- < 3%
  • Integrated mass air flow- 150 g
  • Modeled exhaust temperature- 500° - 750° C
  • O2S signal rear-> 0.752 V
  • deviation lambda control- > 35%
  • 25 Sec..
  • 100 Sec..
  • Once per driving cycle
  • 2 DCY
  • Continuous
  • 2 DCY
P2198 O2 Sensor Signal Stuck Rich Bank 2 Sensor 1 -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
  • Lambda valve-< 1.04
  • Lambda value-< 0.9
  • Fault code detected- P2096 or P2097 or P2098 or P2099
  • O2S rear- ready
  • Exhaust mass air integral-> 0.1 kg
  • set-value 1.15
  • Lambda control-closed loop
  • Lambda control post cat.-closed loop
  • ECT- > 60° C
  • Engine speed- > 992 rpm
  • Engine speed deviation- < 150 rev.
  • Engine load- 30 - 300 kg/h
  • Delta engine load- < 0.15 g/rev
  • Lambda deviation< 3%
  • Integrated mass air flow- 150 g
  • Modeled exhaust temperature- 500° - 750° C
  • O2S signal rear-> 0.151 V
  • deviation lambda control- > -35%
  • 25 Sec..
  • 100 Sec..
  • Once per driving cycle
  • 2 DCY
  • Continuous
  • 2 DCY
P2237 O2 Sensor Positive Current Control Circuit Bank 1 Sensor 1 Open -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Signal activity check-failed O2S front-no other faults 65 Sec.
  • Continuous
  • 2 DCY
P2240 Linear Lambda probe, exhaust gas bank 2 / pump current open -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Signal activity check-failed O2S front-no other faults 65 Sec.
  • Continuous
  • 2 DCY
P2243 O2 Sensor Reference Voltage Circuit Bank 2 Sensor 1 Open -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Functional check, heater-failed and Intrusive check, heater-failed --- 130 Sec.
  • Continuous
  • 2 DCY
P2247 O2 Sensor Reference Voltage Circuit Bank 2 Sensor 1 Open -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Functional check, heater-failed and Intrusive check, heater-failed --- 130 Sec.
  • Continuous
  • 2 DCY
P2251 O2 Sensor Negative Current Control Circuit Bank 1 Sensor 1 Open -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Functional check, heater-failed and Signal activity check-failed --- 162 Sec.
  • Continuous
  • 2 DCY
P2254 O2 Sensor Negative Current Control Circuit/Open -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Functional check, heater-failed and Signal activity check-failed --- 162 Sec.
  • Continuous
  • 2 DCY
P2270 O2 Sensor Signal Stuck Lean Bank 1 Sensor 2 -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Signal voltage- < 0.718 V While stet-value- 0.85
  • Fault code detected- P2096 or P2097 or P2098 or P2099
  • O2S rear-ready
  • Exhaust mass air integral- > 0.1 kg
 25 Sec.
  • Once per driving cycle
  • 2 DCY
P2271 O2 Sensor Signal Stuck Rich Bank 1 Sensor 2 -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Signal voltage- > 0.298 V While set-value- 1.15
  • Fault code detected- P2096 or P2097 or P2098 or P2099
  • O2S rear-ready
  • Exhaust mass air integral- > 0.1 kg
 25 Sec.
  • Once per driving cycle
  • 2 DCY
P2272 O2 Sensor Signal Stuck Lean Bank 2 Sensor 2 -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Signal voltage- < 0.718 V While stet-value- 0.85
  • Fault code detected- P2096 or P2097 or P2098 or P2099
  • O2S rear-ready
  • Exhaust mass air integral- > 0.1 kg
 25 Sec.
  • Once per driving cycle
  • 2 DCY
P2273 O2 Sensor Signal Stuck Rich Bank 2 Sensor 2 -- Check oxygen sensors -- before catalytic converter - Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING Signal voltage- > 0.298 V While set-value- 1.15
  • Fault code detected- P2096 or P2097 or P2098 or P2099
  • O2S rear-ready
  • Exhaust mass air integral- > 0.1 kg
 25 Sec.
  • Once per driving cycle
  • 2 DCY
P2294 Fuel Pressure Regulator Valve - N276 - Open circuit -- Check Fuel Pressure Sensor -G247- Refer to FUEL PRESSURE SENSOR, CHECKING Signal current- < 0.8 mA Time after engine start- 100 - 400 Sec.. 2 Sec.
  • Continuous
  • 2 DCY
P2295 Fuel Pressure Regulator Valve - N276 - Short circuit to Ground (GND) -- Check Fuel Pressure Sensor -G247- Refer to FUEL PRESSURE SENSOR, CHECKING Signal voltage- < 2 V Time after engine start- 100 - 400 Sec.. 2 Sec.
  • Continuous
  • 2 DCY
P2296 Fuel Pressure Regulator Valve - N276 - Short circuit to B+ -- Check Fuel Pressure Sensor -G247- Refer to FUEL PRESSURE SENSOR, CHECKING Signal current- > 8 A Time after engine start- 100 - 400 Sec.. 2 Sec.
  • Continuous
  • 2 DCY
P2400 Evaporative Emission System Leak Detection Pump Control Circuit/Open -- Check Leak Detection Pump (LDP) -V144- Refer to LEAK DETECTION PUMP, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Open circuit- > 0.5 mA
  • LDP-commanded on
  • Engine speed- > 416 rpm
 2 Sec.
  • Continuous
  • 5 Sec.
P2401 Evaporative Emission System Leak Detection Pump Control Circuit Low -- Check Leak Detection Pump (LDP) -V144- Refer to LEAK DETECTION PUMP, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Short to ground- > 2 V
  • LDP-commanded on
  • Engine speed- > 416 rpm
 2 Sec.
  • Continuous
  • 5 Sec.
P2402 Evaporative Emission System Leak Detection Pump Control Circuit High -- Check Leak Detection Pump (LDP) -V144- Refer to LEAK DETECTION PUMP, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Short to battery positive->1 A
  • LDP-commanded on
  • Engine speed- > 416 rpm
 2 Sec.
  • Continuous
  • 5 Sec.
P2403 Evaporative Emission System Leak Detection Pump Sense Circuit/Open -- Check Leak Detection Pump (LDP) -V144- Refer to LEAK DETECTION PUMP, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview Low signal voltage time- > 1 Sec.
  • LDP-commanded off
  • Altitude- < 2, 500 m
  • Number of diagnosis attempts-<=2
  • IAT- > 5.25 °C
  • Delta ambient pressure- 0.3 kPa
  • Delta drop after engine start-<9.75 K
  • Time after engine start->210 - 1, 200 Sec.
  • ECT @ start- 4.5 - 35 °C
  • Vehicle speed->6 mph
 10 Sec.
  • Continuous
  • 2 DCY
P2404 Evaporative Emission System Leak Detection Pump Sense Circuit Range / Performance -- Check Leak Detection Pump (LDP) -V144- Refer to LEAK DETECTION PUMP, CHECKING -- Check Evaporative Emission (EVAP) Canister System -- for proper seal. Component Locations Overview High signal voltage time- > 0.36 Sec.
  • LDP-commanded off
  • Altitude- < 2, 500 m
  • Number of diagnosis attempts-<=2
  • IAT- > 5.25° C
  • Delta ambient pressure- 0.3 kPa
  • Delta drop after engine start-<9.75 K
  • Time after engine start->210 - 1, 200 Sec.
  • ECT @ start- 4.5 - 35 °C
  • Vehicle speed->6 mph
 10 Sec.
  • Continuous
  • 2 DCY
P2414 Bank 1- probe 1 Voltage too low/leakage air -- Check oxygen sensors -- before catalytic converter. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check exhaust system between catalytic converters and cylinder head for proper seal [For transmission(s) 01J] Removal and Installation O2S signal front -> 3.1 V
  • Lambda control-active
  • Engine torque-positive
  • Engine speed-no idle
 100 Sec.
  • Continuous
  • 2 DCY
P2415 Bank 2- probe 1 Voltage too low/leakage air -- Check oxygen sensors -- before catalytic converter. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check exhaust system between catalytic converters and cylinder head for proper seal[For transmission(s) 01J] Removal and Installation O2S signal front- > 3.1 V
  • Lambda control-active
  • Engine torque-positive
  • Engine speed-no idle
 100 Sec.
  • Continuous
  • 2 DCY
P2539 Low Fuel Pressure Sensor- G410 Open circuit -- Check Fuel Pressure Sensor -G247- Refer to FUEL PRESSURE SENSOR, CHECKING Signal voltage- > 4.8 V --- 2 Sec.
  • Continuous
  • 2 DCY
P2541 Low Fuel Pressure Sensor- G410 Short circuit to Ground (GND) -- Check Fuel Pressure Sensor -G247- Refer to FUEL PRESSURE SENSOR, CHECKING Signal voltage- < 0.2 V --- 2 Sec.
  • Continuous
  • 2 DCY
P2626 Linear oxy. sensor, exh-bank 1 / compensat. wire pump current Open circuit -- Check oxygen sensors -- before catalytic converter. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING O2S signal front- > 4.7 V
  • Fuel cut off- > 2 Sec..
  • Modeled exhaust gas temperature- > 380° C
 4.5 Sec.
  • Continuous
  • 2 DCY
P2629 Linear oxy. sensor, exh- bank 2 / compensat. wire pump current Open circuit -- Check oxygen sensors -- before catalytic converter. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING O2S signal front- > 4.7 V
  • Fuel cut off- > 2 Sec..
  • Modeled exhaust gas temperature- > 380° C
 4.5 Sec.
  • Continuous
  • 2 DCY
P3081 Engine temperature too low -- Allow engine to warm up.
  • Coolant temperature must be at least 50 °C
 ECT-< 35° C ECT- 1 x > 40° C 2 Sec.
  • Continuous
  • 2 DCY
U0001 High Speed CAN Communication Bus -- Check terminal resistance of CAN-Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING CAN bus-no activity ---- 0.51 Sec.
  • Continuous
  • 2 DCY
U0101 Lost Communication with TCM -- Check terminal resistance of CAN-Bus. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING CAN message-no message ---- 0.51 Sec.
  • Continuous
  • 2 DCY
U0302 Software Incompatibility With Transmission Control Module -- Replace the Transmission Control Module (TCM) -J217- Refer to TRANSMISSION CONTROL MODULE, REPLACING for 09L transmissions or TRANSMISSION CONTROL MODULE, REPLACING for 01J transmissions. MT vehicle: ECM coded as-AT vehicle ---- 5 Sec.
  • Continuous
  • 2 DCY
U0402 Invalid Data Received From TCM -- Check wiring connection between Engine Control Module (ECM) -J623- and the Transmission Control Module (TCM) -J217- according to wiring diagrams. Refer to appropriate SYSTEM WIRING DIAGRAM. AT vehicle: ECM coded as-MT vehicle ---- 5 Sec.
  • Continuous
  • 2 DCY
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.