DTC codes
Look up an OBD-II fault code: what it means on every car or on your make, 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.
- P1757Jeep · PowertrainGovernor Pressure Above 3 PSI When Request Is 0 PSI
- P1762Jeep · PowertrainGovernor Pressure Sensor Offset Improper Voltage
- P1763Jeep · PowertrainGovernor Pressure Sensor Voltage Too High
- P1764Jeep · PowertrainGovernor Pressure Sensor Voltage Too Low
- P1765Jeep · PowertrainTrans 12 Volt Supply Relay Control Circuit Open Or Shorted
- P1830Jeep · PowertrainOpen Or Shorted Condition Detected In The Clutch Pedal Switch Over-Ride Relay Control
- P1899Jeep · PowertrainPark Neutral Position Switch Stuck In Park or In Gear