This section covers OBD-II codes P0001 to P0099, which are primarily related to Fuel and Air Metering and Auxiliary Emission Controls. These codes help identify issues that affect the engine’s air-fuel mixture and the vehicle’s emission control systems.
| DTC Code | Description |
|---|---|
| P0000 | ISO/SAE Reserved |
| P0001 | Fuel Volume Regulator Control Circuit/Open |
| P0002 | Fuel Volume Regulator Control Circuit Range/Performance |
| P0003 | Fuel Volume Regulator Control Circuit Low |
| P0004 | Fuel Volume Regulator Control Circuit High |
| P0005 | Fuel Shutoff Valve “A” Control Circuit/Open |
| P0006 | Fuel Shutoff Valve “A” Control Circuit Low |
| P0007 | Fuel Shutoff Valve “A” Control Circuit High |
| P0008 | Engine Positions System Performance Bank 1 |
| P0009 | Engine Position System Performance Bank 2 |
| P000A | “A” Camshaft Position Slow Response Bank 1 |
| P000B | “B” Camshaft Position Slow Response Bank 1 |
| P000C | “A” Camshaft Position Slow Response Bank 2 |
| P000D | “B” Camshaft Position Slow Response Bank 2 |
| P000E | Fuel Volume Regulator Control Exceeded Learning Limit |
| P000F | Fuel System Over Pressure Relief Valve Activated |
| P0010 | “A” Camshaft Position Actuator Circuit (Bank 1) |
| P0011 | “A” Camshaft Position – Timing Over-Advanced or System Performance (Bank 1) |
| P0012 | “A” Camshaft Position – Timing Over-Retarded (Bank 1) |
| P0013 | “B” Camshaft Position – Actuator Circuit (Bank 1) |
| P0014 | “B” Camshaft Position – Timing Over-Advanced or System Performance (Bank 1) |
| P0015 | “B” Camshaft Position – Timing Over-Retarded (Bank 1) |
| P0016 | Crankshaft Position – Camshaft Position Correlation (Bank 1 Sensor A) |
| P0017 | Crankshaft Position – Camshaft Position Correlation (Bank 1 Sensor B) |
| P0018 | Crankshaft Position – Camshaft Position Correlation (Bank 2 Sensor A) |
| P0019 | Crankshaft Position – Camshaft Position Correlation (Bank 2 Sensor B) |
| P001A | “A” Camshaft Profile Control Circuit/Open Bank 1 |
| P001B | “A” Camshaft Profile Control Circuit Low Bank 1 |
| P001C | “A” Camshaft Profile Control Circuit High Bank 1 |
| P001D | “A” Camshaft Profile Control Circuit/Open Bank 2 |
| P001E | “A” Camshaft Profile Control Circuit Low Bank 2 |
| P001F | “A” Camshaft Profile Control Circuit High Bank 2 |
| P0020 | “A” Camshaft Position Actuator Circuit (Bank 2) |
| P0021 | “A” Camshaft Position – Timing Over-Advanced or System Performance (Bank 2) |
| P0022 | “A” Camshaft Position – Timing Over-Retarded (Bank 2) |
| P0023 | “B” Camshaft Position – Actuator Circuit (Bank 2) |
| P0024 | “B” Camshaft Position – Timing Over-Advanced or System Performance (Bank 2) |
| P0025 | “B” Camshaft Position – Timing Over-Retarded (Bank 2) |
| P0026 | Intake Valve Control Solenoid Circuit Range/Performance Bank 1 |
| P0027 | Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1 |
| P0028 | Intake Valve Control Solenoid Circuit Range/Performance Bank 2 |
| P0029 | Exhaust Valve Control Solenoid Circuit Range/Performance Bank 2 |
| P002A | “B” Camshaft Profile Control Circuit/Open Bank 1 |
| P002B | “B” Camshaft Profile Control Circuit Low Bank 1 |
| P002C | “B” Camshaft Profile Control Circuit High Bank 1 |
| P002D | “B” Camshaft Profile Control Circuit/Open Bank 2 |
| P002E | “B” Camshaft Profile Control Circuit Low Bank 2 |
| P002F | “B” Camshaft Profile Control Circuit High Bank 2 |
| P0030 | HO2S Heater Control Circuit (Bank 1 Sensor 1) |
| P0031 | HO2S Heater Control Circuit Low (Bank 1 Sensor 1) |
| P0032 | HO2S Heater Control Circuit High (Bank 1 Sensor 1) |
| P0033 | Turbo Charger Bypass Valve Control Circuit |
| P0034 | Turbo Charger Bypass Valve Control Circuit Low |
| P0035 | Turbo Charger Bypass Valve Control Circuit High |
| P0036 | HO2S Heater Control Circuit (Bank 1 Sensor 2) |
| P0037 | HO2S Heater Control Circuit Low (Bank 1 Sensor 2) |
| P0038 | HO2S Heater Control Circuit High (Bank 1 Sensor 2) |
| P0039 | Turbo/Super Charger Bypass Valve Control Circuit Range/Performance |
| P003A | Turbocharger/Supercharger Boost Control “A” Position Exceeded Learning Limit |
| P003B | Turbocharger/Supercharger Boost Control “B” Position Exceeded Learning Limit |
| P003C | “A” Camshaft Profile Control Performance/Stuck Off Bank 1 |
| P003D | “A” Camshaft Profile Control Stuck On Bank 1 |
| P003E | “A” Camshaft Profile Control Performance/Stuck Off Bank 2 |
| P003F | “A” Camshaft Profile Control Stuck On Bank 2 |
| P0040 | Upstream Oxygen Sensors Swapped From Bank To Bank |
| P0041 | Downstream Oxygen Sensors Swapped From Bank To Bank |
| P0042 | HO2S Heater Control Circuit (Bank 1 Sensor 3) |
| P0043 | HO2S Heater Control Circuit Low (Bank 1 Sensor 3) |
| P0044 | HO2S Heater Control Circuit High (Bank 1 Sensor 3) |
| P0045 | Turbocharger/Supercharger Boost Control “A” Circuit/Open |
| P0046 | Turbocharger/Supercharger Boost Control “A” Circuit Range/Performance |
| P0047 | Turbocharger/Supercharger Boost Control “A” Circuit Low |
| P0048 | Turbocharger/Supercharger Boost Control “A” Circuit High |
| P0049 | Turbocharger/Supercharger Turbine Overspeed |
| P004A | Turbocharger/Supercharger Boost Control “B” Circuit/Open |
| P004B | Turbocharger/Supercharger Boost Control “B” Circuit Range/Performance |
| P004C | Turbocharger/Supercharger Boost Control “B” Circuit Low |
| P004D | Turbocharger/Supercharger Boost Control “B” Circuit High |
| P004E | Turbocharger/Supercharger Boost Control “A” Circuit Intermittent/Erratic |
| P004F | Turbocharger/Supercharger Boost Control “B” Circuit Intermittent/Erratic |
| P0050 | HO2S Heater Control Circuit (Bank 2 Sensor 1) |
| P0051 | HO2S Heater Control Circuit Low (Bank 2 Sensor 1) |
| P0052 | HO2S Heater Control Circuit High (Bank 2 Sensor 1) |
| P0053 | HO2S Heater Resistance (Bank 1, Sensor 1) |
| P0054 | HO2S Heater Resistance (Bank 1, Sensor 2) |
| P0055 | HO2S Heater Resistance (Bank 1, Sensor 3) |
| P0056 | HO2S Heater Control Circuit (Bank 2 Sensor 2) |
| P0057 | HO2S Heater Control Circuit Low (Bank 2 Sensor 2) |
| P0058 | HO2S Heater Control Circuit High (Bank 2 Sensor 2) |
| P0059 | HO2S Heater Resistance (Bank 2, Sensor 1) |
| P005A | “B” Camshaft Profile Control Performance/Stuck Off Bank 1 |
| P005B | “B” Camshaft Profile Control Stuck On Bank 1 |
| P005C | “B” Camshaft Profile Control Performance/Stuck Off Bank 2 |
| P005D | “B” Camshaft Profile Control Stuck On Bank 2 |
| P005E | Turbocharger/Supercharger Boost Control “B” Supply Voltage Circuit Low |
| P005F | Turbocharger/Supercharger Boost Control “B” Supply Voltage Circuit High |
| P0060 | HO2S Heater Resistance (Bank 2, Sensor 2) |
| P0061 | HO2S Heater Resistance (Bank 2, Sensor 3) |
| P0062 | HO2S Heater Control Circuit (Bank 2 Sensor 3) |
| P0063 | HO2S Heater Control Circuit Low (Bank 2 Sensor 3) |
| P0064 | HO2S Heater Control Circuit High (Bank 2 Sensor 3) |
| P0065 | Air Assisted Injector Control Range/Performance |
| P0066 | Air Assisted Injector Control Circuit or Circuit Low |
| P0067 | Air Assisted Injector Control Circuit High |
| P0068 | MAP/MAF – Throttle Position Correlation |
| P0069 | Manifold Absolute Pressure – Barometric Pressure Correlation |
| P006A | MAP – Mass or Volume Air Flow Correlation Bank 1 |
| P006B | MAP – Exhaust Pressure Correlation |
| P006C | MAP – Turbocharger/Supercharger Inlet Pressure Correlation |
| P006D | Barometric Pressure – Turbocharger/Supercharger Inlet Pressure Correlation |
| P006E | Turbocharger/Supercharger Boost Control “A” Supply Voltage Circuit Low |
| P006F | Turbocharger/Supercharger Boost Control “A” Supply Voltage Circuit High |
| P0070 | Ambient Air Temperature Sensor Circuit |
| P0071 | Ambient Air Temperature Sensor Range/Performance |
| P0072 | Ambient Air Temperature Sensor Circuit Low Input |
| P0073 | Ambient Air Temperature Sensor Circuit High Input |
| P0074 | Ambient Air Temperature Sensor Circuit Intermittent |
| P0075 | Intake Valve Control Solenoid Circuit (Bank 1) |
| P0076 | Intake Valve Control Solenoid Circuit Low (Bank 1) |
| P0077 | Intake Valve Control Solenoid Circuit High (Bank 1) |
| P0078 | Exhaust Valve Control Solenoid Circuit (Bank 1) |
| P0079 | Exhaust Valve Control Solenoid Circuit Low (Bank 1) |
| P007A | Charge Air Cooler Temperature Sensor Circuit Bank 1 |
| P007B | Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 |
| P007C | Charge Air Cooler Temperature Sensor Circuit Low Bank 1 |
| P007D | Charge Air Cooler Temperature Sensor Circuit High Bank 1 |
| P007E | Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic Bank 1 |
| P007F | Charge Air Cooler Temperature Sensor Bank1/Bank2 Correlation |
| P0080 | Exhaust Valve Control Solenoid Circuit High (Bank 1) |
| P0081 | Intake valve Control Solenoid Circuit (Bank 2) |
| P0082 | Intake Valve Control Solenoid Circuit Low (Bank 2) |
| P0083 | Intake Valve Control Solenoid Circuit High (Bank 2) |
| P0084 | Exhaust Valve Control Solenoid Circuit (Bank 2) |
| P0085 | Exhaust Valve Control Solenoid Circuit Low (Bank 2) |
| P0086 | Exhaust Valve Control Solenoid Circuit High (Bank 2) |
| P0087 | Fuel Rail/System Pressure – Too Low |
| P0088 | Fuel Rail/System Pressure – Too High |
| P0089 | Fuel Pressure Regulator 1 Performance |
| P008A | Low Pressure Fuel System Pressure – Too Low |
| P008B | Low Pressure Fuel System Pressure – Too High |
| P008C | Fuel Cooler Pump Control Circuit Open |
| P008D | Fuel Cooler Pump Control Circuit Low |
| P008E | Fuel Cooler Pump Control Circuit High |
| P008F | Engine Coolant Temperature/Fuel Temperature Correlation |
| P0090 | Fuel Pressure Regulator 1 Control Circuit |
| P0091 | Fuel Pressure Regulator 1 Control Circuit Low |
| P0092 | Fuel Pressure Regulator 1 Control Circuit High |
| P0093 | Fuel System Leak Detected – Large Leak |
| P0094 | Fuel System Leak Detected – Small Leak |
| P0095 | Intake Air Temperature Sensor 2 Circuit Bank 1 |
| P0096 | Intake Air Temperature Sensor 2 Circuit Range/Performance Bank 1 |
| P0097 | Intake Air Temperature Sensor 2 Circuit Low Bank 1 |
| P0098 | Intake Air Temperature Sensor 2 Circuit High Bank 1 |
| P0099 | Intake Air Temperature Sensor 2 Circuit Intermittent/Erratic Bank 1 |
| P009A | Intake Air Temperature/Ambient Air Temperature Correlation |
| P009B | Fuel Pressure Relief Control Circuit/Open |
| P009C | Fuel Pressure Relief Control Circuit Low |
| P009D | Fuel Pressure Relief Control Circuit High |
| P009E | Fuel Pressure Relief Control Performance/Stuck Off |
| P009F | Fuel Pressure Relief Control Stuck On |
| P00A0 | Charge Air Cooler Temperature Sensor Circuit Bank 2 |
| P00A1 | Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 2 |
| P00A2 | Charge Air Cooler Temperature Sensor Circuit Low Bank 2 |
| P00A3 | Charge Air Cooler Temperature Sensor Circuit High Bank 2 |
| P00A4 | Charge Air Cooler Temperature Sensor Circuit Intermittent/Erratic Bank 2 |
| P00A5 | Intake Air Temperature Sensor 2 Circuit Bank 2 |
| P00A6 | Intake Air Temperature Sensor 2 Circuit Range/Performance Bank 2 |
| P00A7 | Intake Air Temperature Sensor 2 Circuit Low Bank 2 |
| P00A8 | Intake Air Temperature Sensor 2 Circuit High Bank 2 |
| P00A9 | Intake Air Temperature Sensor 2 Circuit Intermittent/Erratic Bank 2 |
| P00AA | Intake Air Temperature Sensor 1 Circuit Bank 2 |
| P00AB | Intake Air Temperature Sensor 1 Circuit Range/Performance Bank 2 |
| P00AC | Intake Air Temperature Sensor 1 Circuit Low Bank 2 |
| P00AD | Intake Air Temperature Sensor 1 Circuit High Bank 2 |
| P00AE | Intake Air Temperature Sensor 1 Circuit Intermittent/Erratic Bank 2 |
| P00AF | Turbocharger/Supercharger Boost Control “A” Module Performance |
| P00B0 | Turbocharger/Supercharger Boost Control “B” Module Performance |
| P00B1 | Radiator Coolant Temperature Sensor Circuit |
| P00B2 | Radiator Coolant Temperature Sensor Circuit Range/Performance |
| P00B3 | Radiator Coolant Temperature Sensor Circuit Low |
| P00B4 | Radiator Coolant Temperature Sensor Circuit High |
| P00B5 | Radiator Coolant Temperature Sensor Circuit Intermittent/Erratic |
| P00B6 | Radiator Coolant Temperature/Engine Coolant Temperature Correlation |
| P00B7 | Engine Coolant Flow Low/Performance |
| P00B8 | MAP – Mass or Volume Air Flow Correlation Bank 2 |
| P00B9 | Low Pressure Fuel System Pressure – Too Low, Low Ambient Temperature |
| P00BA | Low Fuel Pressure – Forced Limited Power |
| P00BB | Fuel Injector Insufficient Flow – Forced Limited Power |
| P00BC | Mass or Volume Air Flow “A” Circuit Range/Performance – Air Flow Too Low |
| P00BD | Mass or Volume Air Flow “A” Circuit Range/Performance – Air Flow Too High |
| P00BE | Mass or Volume Air Flow “B” Circuit Range/Performance – Air Flow Too Low |
| P00BF | Mass or Volume Air Flow “B” Circuit Range/Performance – Air Flow Too High |