Powertrain fault codes
14821 Powertrain OBD-II fault codes: what each one means, and how to track it down.
How to read a code
- P
- SystemPowertrain
- 0
- Defined bySAE, the same on every car
- 4
- AreaAuxiliary emission controls
- 20
- FaultThe specific fault in that area
Read the code
Note every stored and pending code your scanner shows, such as P0420.
Find it
Search by code or by words. For a manufacturer code (P1, B1, C1, U1) pick your make: its meaning differs by make.
Open the code
Its page explains the symptoms, likely causes, the checks to run and the fixes.
- P01D3Generic · PowertrainCylinder 5 Injection Timing Performance - Over Retarded
- P01D4Generic · PowertrainCylinder 5 Injection Timing Performance - Over Advanced
- P01D5Generic · PowertrainCylinder 6 Injection Timing Performance - Over Retarded
- P01D6Generic · PowertrainCylinder 6 Injection Timing Performance - Over Advanced
- P01D7Generic · PowertrainCylinder 7 Injection Timing Performance - Over Retarded
- P01D8Generic · PowertrainCylinder 7 Injection Timing Performance - Over Advanced
- P01D9Generic · PowertrainCylinder 8 Injection Timing Performance - Over Retarded
- P01DAGeneric · PowertrainCylinder 8 Injection Timing Performance - Over Advanced
- P01DBGeneric · PowertrainCylinder 9 Injection Timing Performance - Over Retarded
- P01DCGeneric · PowertrainCylinder 9 Injection Timing Performance - Over Advanced
- P01DDGeneric · PowertrainCylinder 10 Injection Timing Performance - Over Retarded
- P01DEGeneric · PowertrainCylinder 10 Injection Timing Performance - Over Advanced
- P01DFGeneric · PowertrainCylinder 11 Injection Timing Performance - Over Retarded
- P01E0Generic · PowertrainCylinder 11 Injection Timing Performance - Over Advanced
- P01E1Generic · PowertrainCylinder 12 Injection Timing Performance - Over Retarded
- P01E2Generic · PowertrainCylinder 12 Injection Timing Performance - Over Advanced
- P01E3Generic · PowertrainEngine Coolant Temperature Sensor 3 Circuit
- P01E4Generic · PowertrainEngine Coolant Temperature Sensor 3 Circuit Range/Performance
- P01E5Generic · PowertrainEngine Coolant Temperature Sensor 3 Circuit Low
- P01E6Generic · PowertrainEngine Coolant Temperature Sensor 3 Circuit High
- P01E7Generic · PowertrainEngine Coolant Temperature Sensor 3 Circuit Intermittent/Erratic
- P01E8Generic · PowertrainEngine Coolant Heater A Control Circuit/Open
- P01E9Generic · PowertrainEngine Coolant Heater A Control Circuit Low
- P01EAGeneric · PowertrainEngine Coolant Heater A Control Circuit High
- P01EBGeneric · PowertrainEngine Coolant Heater A Control Circuit Performance
- P01ECGeneric · PowertrainEngine Coolant Heater B Control Circuit/Open
- P01EDGeneric · PowertrainEngine Coolant Heater B Control Circuit Low
- P01EEGeneric · PowertrainEngine Coolant Heater B Control Circuit High
- P01EFGeneric · PowertrainEngine Coolant Heater B Control Circuit Performance
- P01F0Generic · PowertrainCoolant Temperature Relapsed Below Diagnostic Monitoring Temperature