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.
- P2845Generic · PowertrainShift Fork A Position Sensor Incorrect Neutral Position Indicated
- P2846Generic · PowertrainShift Fork B Position Sensor Incorrect Neutral Position Indicated
- P2847Generic · PowertrainShift Fork C Position Sensor Incorrect Neutral Position Indicated
- P2848Generic · PowertrainShift Fork D Position Sensor Incorrect Neutral Position Indicated
- P2849Generic · PowertrainShift Fork A Stuck
- P284AGeneric · PowertrainShift Fork B Stuck
- P284BGeneric · PowertrainShift Fork C Stuck
- P284CGeneric · PowertrainShift Fork D Stuck
- P284DGeneric · PowertrainShift Fork A Unrequested Movement
- P284EGeneric · PowertrainShift Fork B Unrequested Movement
- P284FGeneric · PowertrainShift Fork C Unrequested Movement
- P2850Generic · PowertrainShift Fork D Unrequested Movement
- P2851Generic · PowertrainShift Fork Position Sensor A/B Correlation
- P2852Generic · PowertrainShift Fork Position Sensor C/D Correlation
- P2853Generic · PowertrainClutch A Pressure Discharge Performance
- P2854Generic · PowertrainClutch B Pressure Discharge Performance
- P2855Generic · PowertrainClutch A Pressure Charge Performance
- P2856Generic · PowertrainClutch B Pressure Charge Performance
- P2857Generic · PowertrainClutch A Pressure Engagement Performance/Too Low
- P2858Generic · PowertrainClutch B Pressure Engagement Performance/Too Low
- P2859Generic · PowertrainClutch A Pressure Disengagement Performance/Too Low
- P285AGeneric · PowertrainClutch B Pressure Disengagement Performance/Too Low
- P285BGeneric · PowertrainShift Fork A Actuator Circuit/Open
- P285CGeneric · PowertrainShift Fork A Actuator Performance
- P285DGeneric · PowertrainShift Fork A Actuator Circuit Low
- P285EGeneric · PowertrainShift Fork A Actuator Circuit High
- P285FGeneric · PowertrainShift Fork B Actuator Circuit/Open
- P2860Generic · PowertrainShift Fork B Actuator Performance
- P2861Generic · PowertrainShift Fork B Actuator Circuit Low
- P2862Generic · PowertrainShift Fork B Actuator Circuit High