The computer sees a fault in the cam sensor circuit. The driver may notice a long crank, hard start or stalling.
Likely causes, most common first
- Faulty camshaft sensor
- Damaged wiring or connector
- Timing belt or chain fault
- Damaged reluctor on the camshaft
Parts usually involved
- Camshaft position sensor
- Sensor connector
- Timing chain or belt
Test before you replace
Test sensor power, ground and signal, and check timing marks if the signal looks correct.
General guidance for generic OBD2 codes. Always follow the maker's procedure for the car in front of you.