Fault codes P00xx: air, fuel and emissions (basic codes)
Engine and transmission codes common to all makes (SAE J2012 standard).
Official codes: 255, from smallest to largest. Tap a code to get a direct link to share.
| Code | Meaning |
|---|---|
| P0001 | Fuel Volume Regulator A Control Circuit/Open |
| P0002 | Fuel Volume Regulator A Control Circuit Range/Performance |
| P0003 | Fuel Volume Regulator A Control Circuit Low |
| P0004 | Fuel Volume Regulator A 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 Position 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 (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 Actuator A Control Circuit/Open Bank 1 |
| P001B | A Camshaft Profile Actuator A Control Circuit Low Bank 1 |
| P001C | A Camshaft Profile Actuator A Control Circuit High Bank 1 |
| P001D | A Camshaft Profile Actuator A Control Circuit/Open Bank 2 |
| P001E | A Camshaft Profile Actuator A Control Circuit Low Bank 2 |
| P001F | A Camshaft Profile Actuator A Control Circuit High Bank 2 |
| P0020 | '"A" Camshaft Position Actuator Circuit (Bank 2)' |
| P0021 | '"A" Camshaft Position - Timing Over-Advanced (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 (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 Actuator A Control Circuit/Open Bank 1 |
| P002B | B Camshaft Profile Actuator A Control Circuit Low Bank 1 |
| P002C | B Camshaft Profile Actuator A Control Circuit High Bank 1 |
| P002D | B Camshaft Profile Actuator A Control Circuit/Open Bank 2 |
| P002E | B Camshaft Profile Actuator A Control Circuit Low Bank 2 |
| P002F | B Camshaft Profile Actuator A 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 | Turbocharger Bypass Valve Control Circuit |
| P0034 | Turbocharger Bypass Valve Control Circuit Low |
| P0035 | Turbocharger 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 | Turbocharger/Supercharger Bypass Valve A 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 Actuator A Control Performance/Stuck Off Bank 1 |
| P003D | A Camshaft Profile Actuator A Control Stuck On Bank 1 |
| P003E | A Camshaft Profile Actuator A Control Performance/Stuck Off Bank 2 |
| P003F | A Camshaft Profile Actuator A Control Stuck On Bank 2 |
| P0040 | O2 Sensor Signals Swapped Bank 1 Sensor 1/Bank 2 Sensor 1 |
| P0041 | O2 Sensor Signals Swapped Bank 1 Sensor 2/Bank 2 Sensor 2 |
| 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 A 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 Actuator A Control Performance/Stuck Off Bank 1 |
| P005B | B Camshaft Profile Actuator A Control Stuck On Bank 1 |
| P005C | B Camshaft Profile Actuator A Control Performance/Stuck Off Bank 2 |
| P005D | B Camshaft Profile Actuator A 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 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 Bank 1 |
| 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 A |
| P0071 | Ambient Air Temperature Sensor Circuit A Range/Performance |
| P0072 | Ambient Air Temperature Sensor Circuit A Low |
| P0073 | Ambient Air Temperature Sensor Circuit A High |
| P0074 | Ambient Air Temperature Sensor Circuit A Intermittent/Erratic |
| 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 A Control Circuit/Open |
| P0091 | Fuel Pressure Regulator A Control Circuit Low |
| P0092 | Fuel Pressure Regulator A 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 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 |
| P00C0 | Turbocharger/Supercharger Bypass Valve B Control Circuit |
| P00C1 | Turbocharger/Supercharger Bypass Valve B Control Circuit Low |
| P00C2 | Turbocharger/Supercharger Bypass Valve B Control Circuit High |
| P00C3 | Turbocharger/Supercharger Bypass Valve B Control Circuit Range/Performance |
| P00C4 | Turbocharger/Supercharger Bypass Valve B - Mechanical |
| P00C5 | Turbocharger/Supercharger B Turbine Overspeed |
| P00C6 | Fuel Rail Pressure Too Low - Engine Cranking Bank 1 |
| P00C7 | Intake Air Pressure Measurement System - Multiple Sensor Correlation Bank 1 |
| P00C8 | Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit/Open |
| P00C9 | Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit Low |
| P00CA | Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit High |
| P00CB | Fuel Volume Regulator Solenoid Supply Voltage Control Circuit/Open |
| P00CC | Fuel Volume Regulator Solenoid Supply Voltage Control Circuit Low |
| P00CD | Fuel Volume Regulator Solenoid Supply Voltage Control Circuit High |
| P00CE | Intake Air Temperature Measurement System - Multiple Sensor Correlation Bank 1 |
| P00CF | Barometric Pressure - Turbocharger/Supercharger Boost Sensor A Correlation |
| P00D0 | Barometric Pressure - Turbocharger/Supercharger Boost Sensor B Correlation |
| P00D1 | HO2S Heater Control Circuit Range/Performance Bank 1 Sensor 1 |
| P00D2 | HO2S Heater Control Circuit Range/Performance Bank 1 Sensor 2 |
| P00D3 | HO2S Heater Control Circuit Range/Performance Bank 2 Sensor 1 |
| P00D4 | HO2S Heater Control Circuit Range/Performance Bank 2 Sensor 2 |
| P00D5 | HO2S Sensor Correlation Bank 1 Sensor 1/Bank 1 Sensor 2 |
| P00D6 | HO2S Sensor Correlation Bank 2 Sensor 1/Bank 2 Sensor 2 |
| P00D7 | Turbocharger/Supercharger Bypass Valve A Temperature Too High |
| P00D8 | Turbocharger/Supercharger Bypass Valve B Temperature Too High |
| P00D9 | Ambient Air Temperature Sensor Circuit B |
| P00DA | Ambient Air Temperature Sensor Circuit B Range/Performance |
| P00DB | Ambient Air Temperature Sensor Circuit B Low |
| P00DC | Ambient Air Temperature Sensor Circuit B High |
| P00DD | Ambient Air Temperature Sensor Circuit B Intermittent/Erratic |
| P00DE | Charge Air Cooler Coolant Temperature Sensor A Circuit |
| P00DF | Charge Air Cooler Coolant Temperature Sensor A Circuit Range/Performance |
| P00E0 | Charge Air Cooler Coolant Temperature Sensor A Circuit Low |
| P00E1 | Charge Air Cooler Coolant Temperature Sensor A Circuit High |
| P00E2 | Charge Air Cooler Coolant Temperature Sensor A Intermittent/Erratic |
| P00E3 | Exhaust Heat Exchanger Exhaust Bypass Valve A Stuck Open |
| P00E4 | Exhaust Heat Exchanger Exhaust Bypass Valve A Stuck Closed |
| P00E5 | Intake Air Temperature/Fuel Temperature Correlation |
| P00E6 | Intake Air Pressure Measurement System - Multiple Sensor Correlation Bank 2 |
| P00E7 | Intake Air Temperature Measurement System - Multiple Sensor Correlation Bank 2 |
| P00E8 | Intake Air Temperature Sensor 3 Circuit Bank 1 |
| P00E9 | Intake Air Temperature Sensor 3 Circuit Range/Performance Bank 1 |
| P00EA | Intake Air Temperature Sensor 3 Circuit Low Bank 1 |
| P00EB | Intake Air Temperature Sensor 3 Circuit High Bank 1 |
| P00EC | Intake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 1 |
| P00ED | Intake Air Temperature Sensor 3 Circuit Bank 2 |
| P00EE | Intake Air Temperature Sensor 3 Circuit Range/Performance Bank 2 |
| P00EF | Intake Air Temperature Sensor 3 Circuit Low Bank 2 |
| P00F0 | Intake Air Temperature Sensor 3 Circuit High Bank 2 |
| P00F1 | Intake Air Temperature Sensor 3 Circuit Intermittent/Erratic Bank 2 |
| P00F2 | Humidity Sensor Circuit/Open |
| P00F3 | Humidity Sensor Circuit Range/Performance |
| P00F4 | Humidity Sensor Circuit Low |
| P00F5 | Humidity Sensor Circuit High |
| P00F6 | Humidity Sensor Circuit Intermittent/Erratic |
| P00F7 | Barometric Pressure - Turbocharger/Supercharger Inlet Pressure Correlation Bank 2 |
| P00F8 | Turbocharger Outlet Pressure Sensor A Circuit |
| P00F9 | Turbocharger Outlet Pressure Sensor A Range/Performance |
| P00FA | Turbocharger Outlet Pressure Sensor A Circuit Low |
| P00FB | Turbocharger Outlet Pressure Sensor A Circuit High |
| P00FC | Turbocharger Outlet Pressure Sensor A Intermittent/Erratic |
| P00FD | Battery B State of Charge Performance |
| P00FE | EVAP System Tank Vapor Line Restricted/Blocked |
| P00FF | Body Control Module Requested MIL Illumination |
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Official meanings: OBDex (public domain, CC0). Manufacturer codes: dtc-database (MIT license), probable meanings not verified by the manufacturers. The same meaning can vary depending on the model: always have a diagnosis confirmed by a professional.