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.
- P2C15Generic · PowertrainB Camshaft Profile Actuator Position Sensor A Circuit High Bank 1
- P2C16Generic · PowertrainB Camshaft Profile Actuator Position Sensor B Circuit Bank 1
- P2C17Generic · PowertrainB Camshaft Profile Actuator Position Sensor B Range/Performance Bank 1
- P2C18Generic · PowertrainB Camshaft Profile Actuator Position Sensor B Circuit Low Bank 1
- P2C19Generic · PowertrainB Camshaft Profile Actuator Position Sensor B Circuit High Bank 1
- P2C1AGeneric · PowertrainB Camshaft Profile Actuator Position Sensor C Circuit Bank 1
- P2C1BGeneric · PowertrainB Camshaft Profile Actuator Position Sensor C Range/Performance Bank 1
- P2C1CGeneric · PowertrainB Camshaft Profile Actuator Position Sensor C Circuit Low Bank 1
- P2C1DGeneric · PowertrainB Camshaft Profile Actuator Position Sensor C Circuit High Bank 1
- P2C1EGeneric · PowertrainCold Start Fuel Pressure Regulator A Performance
- P2C1FGeneric · PowertrainCold Start Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low
- P2C20Generic · PowertrainCold Start Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too High
- P2C21Generic · PowertrainEngine Oil Temperature Sensor A/B Correlation
- P2C22Generic · PowertrainExhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit
- P2C23Generic · PowertrainExhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Performance
- P2C24Generic · PowertrainExhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit Low
- P2C25Generic · PowertrainExhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit High
- P2C26Generic · PowertrainFuel Injector Group B Supply Sense Circuit
- P2C27Generic · PowertrainFuel Injector Group B Supply Sense Circuit Low
- P2C28Generic · PowertrainFuel Injector Group B Supply Sense Circuit High
- P2C29Generic · PowertrainTurbocharger/Supercharger Bypass Valve B Stuck
- P2C2AGeneric · PowertrainTurbocharger/Supercharger Bypass Valve B Position Sensor Circuit/Open
- P2C2BGeneric · PowertrainTurbocharger/Supercharger Bypass Valve B Position Sensor Circuit Low
- P2C2CGeneric · PowertrainTurbocharger/Supercharger Bypass Valve B Position Sensor Circuit High
- P2C2DGeneric · PowertrainTurbocharger/Supercharger Bypass Valve B Position Exceeded Learning Limit
- P2C2EGeneric · PowertrainTurbocharger/Supercharger Bypass Valve B Supply Voltage Low
- P2C2FGeneric · PowertrainTurbocharger/Supercharger Bypass Valve B Driver Current/Temperature Too High
- P2C30Generic · PowertrainIgnition Coil Primary Circuit Fuse A
- P2C31Generic · PowertrainIgnition Coil Primary Circuit Fuse B
- P2C32Generic · PowertrainCrankcase Pressure Sensor B Circuit