B Camshaft Profile Actuator A Control Circuit/Open Bank 1
Open circuit at the cam profile actuator on the exhaust cam (profile A, bank 1). Same diagnosis as P001A but for the exhaust profile actuator.
Affected components
- Cam profile actuator exhaust
- Actuator wiring
Common causes
- High likelihood: Wiring break
- Medium likelihood: Actuator coil open
- Low likelihood: Pin pushed back out of connector body
Possible symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.