Check-engine codes
What does my check-engine code mean?
Plain-English explanations for OBD-II trouble codes: what the code means, the most likely causes, symptoms, and how much labour a repair usually takes.
P0 codes · Powertrain (generic)
- P01F5O2 Sensor Circuit No Activity Detected Bank 1 Sensor 4
- P01F6O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 4
- P01F7O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 4
- P01F8Engine Coolant Heater A Control Circuit Driver Current/Temperature Too High
- P01F9Engine Coolant Heater B Control Circuit Driver Current/Temperature Too High
- P01FATurbocharger Outlet Pressure Sensor B Circuit
- P01FBTurbocharger Outlet Pressure Sensor B Range/Performance
- P01FCTurbocharger Outlet Pressure Sensor B Circuit Low
- P01FDTurbocharger Outlet Pressure Sensor B Circuit High
- P01FETurbocharger Outlet Pressure Sensor B Intermittent/Erratic
- P01FFTurbocharger Outlet Pressure Sensor A/B Correlation
- P0200Injector Circuit/Open
- P0201Injector Circuit Malfunction — Cylinder 1
- P0202Injector Circuit Malfunction — Cylinder 2
- P0203Injector Circuit Malfunction — Cylinder 3
- P0204Injector Circuit Malfunction — Cylinder 4
- P0205Injector Circuit Malfunction — Cylinder 5
- P0206Injector Circuit Malfunction — Cylinder 6
- P0207Injector Circuit Malfunction — Cylinder 7
- P0208Injector Circuit Malfunction — Cylinder 8
- P0209Injector Circuit Malfunction — Cylinder 9
- P020ACylinder 1 Injection Timing
- P020BCylinder 2 Injection Timing
- P020CCylinder 3 Injection Timing
- P020DCylinder 4 Injection Timing
- P020ECylinder 5 Injection Timing
- P020FCylinder 6 Injection Timing
- P0210Injector Circuit Malfunction — Cylinder 10
- P0211Injector Circuit Malfunction — Cylinder 11
- P0212Injector Circuit Malfunction — Cylinder 12
- P0213Cold Start Injector 1
- P0214Cold Start Injector 2
- P0215Engine Shutoff Solenoid
- P0216Injector/Injection Timing Control Circuit
- P0217Engine Coolant Over Temperature Condition
- P0218Transmission Fluid Over Temperature
- P0219Engine Overspeed Condition
- P021ACylinder 7 Injection Timing
- P021BCylinder 8 Injection Timing
- P021CCylinder 9 Injection Timing
- P021DCylinder 10 Injection Timing
- P021ECylinder 11 Injection Timing
- P021FCylinder 12 Injection Timing
- P0220Throttle/Pedal Position Sensor/Switch "B" Circuit
- P0221Throttle/Pedal Position Sensor/Switch "B" Range/Performance
- P0222Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input
- P0223Throttle/Pedal Position Sensor/Switch "B" Circuit High Input
- P0224Throttle/Pedal Position Sensor/Switch B Circuit Intermittent
- P0225Throttle/Pedal Position Sensor/Switch C Circuit
- P0226Throttle/Pedal Position Sensor C Circuit Range/Performance
- P0227Throttle/Pedal Position Sensor/Switch C Circuit Low
- P0228Throttle/Pedal Position Sensor/Switch C Circuit High
- P0229Throttle/Pedal Position Sensor/Switch C Circuit Intermittent
- P022ACharge Air Cooler Bypass Control A Circuit/Open
- P022BCharge Air Cooler Bypass Control A Circuit Low
- P022CCharge Air Cooler Bypass Control A Circuit High
- P022DCharge Air Cooler Bypass Control B Circuit/Open
- P022ECharge Air Cooler Bypass Control B Circuit Low
- P022FCharge Air Cooler Bypass Control B Circuit High
- P0230Fuel Pump Primary Circuit Malfunction
- P0231Fuel Pump Secondary Circuit Low
- P0232Fuel Pump Secondary Circuit High
- P0233Fuel Pump Secondary Circuit Intermittent
- P0234Turbocharger/Supercharger "A" Overboost Condition
- P0235Turbocharger/Supercharger Boost Sensor "A" Circuit
- P0236Turbocharger/Supercharger Boost Sensor "A" Circuit Range/Performance
- P0237Turbocharger/Supercharger Boost Sensor "A" Circuit Low
- P0238Turbocharger/Supercharger Boost Sensor "A" Circuit High
- P0239Turbocharger/Supercharger Boost Sensor B Circuit
- P023ACharge Air Cooler Coolant Pump A Control Circuit/Open
- P023BCharge Air Cooler Coolant Pump A Control Circuit Low
- P023CCharge Air Cooler Coolant Pump A Control Circuit High
- P023DManifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor A Correlation
- P023EManifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor B Correlation
- P023FFuel Pump Secondary Circuit/Open
- P0240Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance
- P0241Turbocharger/Supercharger Boost Sensor B Circuit Low
- P0242Turbocharger/Supercharger Boost Sensor B Circuit High
- P0243Turbocharger/Supercharger Wastegate Actuator A
- P0244Turbocharger/Supercharger Wastegate Actuator A Range/Performance
- P0245Turbocharger/Supercharger Wastegate Solenoid "A" Low
- P0246Turbocharger/Supercharger Wastegate Solenoid "A" High
- P0247Turbocharger Wastegate Solenoid B Low
- P0248Turbocharger Wastegate Solenoid B High
- P0249Turbocharger/Supercharger Wastegate Actuator B Low
- P024ACharge Air Cooler Bypass Control A Range/Performance
- P024BCharge Air Cooler Bypass Control A Stuck
- P024CCharge Air Cooler Bypass Position Sensor A Circuit
- P024DCharge Air Cooler Bypass Position Sensor A Circuit Range/Performance
- P024ECharge Air Cooler Bypass Position Sensor A Circuit Low
- P024FCharge Air Cooler Bypass Position Sensor A Circuit High
- P0250Turbocharger/Supercharger Wastegate Actuator B High
- P0251Injection Pump Fuel Metering Control A (Cam/Rotor/Injector)
- P0252Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector)
- P0253Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector)
- P0254Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector)
- P0255Injection Pump Fuel Metering Control A Intermittent (Cam/Rotor/Injector)
- P0256Injection Pump Fuel Metering Control B (Cam/Rotor/Injector)
- P0257Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector)
- P0258Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector)
Code data: OBDex open dataset (CC0), reviewed and rewritten for drivers. Always confirm a diagnosis before replacing parts.