Engine and gearbox (P)
P001C: Camshaft Profile Actuator Circuit High
The engine control module has detected a high voltage condition in the camshaft profile actuator circuit for bank 1. This may indicate a short to power or an open ground.
Checked by a licensed car technician · last reviewed 29 September 2026
Symptoms
- Check engine light is on
- Rough idling
- Reduced engine performance
- Possible stalling
Common causes
- Wiring shorted to battery voltage
- Open ground return path
- Corroded connector pins
How to check it yourself
- Inspect wiring for damage or shorts
- Check ground connections for continuity
- Examine connector pins for corrosion
Can I keep driving?
The car can be driven, but performance may be reduced.
General guidance, not a professional inspection. Confirm faults with measurements before buying parts, and use a qualified mechanic for brakes, steering, fuel leaks, airbags, and other safety-critical work. Terms and disclaimer