B Camshaft Profile Actuator C Control Circuit/Open (Bank 1)
The drive circuit for cam profile actuator B in position C on bank 1 is open. Three-stage cam profile systems use a separate control valve per profile position.
Affected components
- Camshaft position actuator
Common causes
- High likelihood: Solenoid winding open
- Low likelihood: Pin pushed back out of connector body
- Low likelihood: Cracked solder joint inside the module or sensor
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.