Intake Camshaft Actuator Park Lock Control Circuit Low Bank 1
The intake camshaft park-lock control line on bank 1 is below the expected voltage window. Usually a short to ground or a low-side driver shorted internally.
Affected components
- Intake cam phaser b1
- Park lock solenoid
- Wiring harness
Common causes
- High likelihood: Control wire shorted to ground
- Medium likelihood: ECU low-side driver internally shorted
- Low likelihood: Connector pins corroded - high contact resistance
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
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.