Camshaft Position A Actuator Control Circuit High (Bank 1)
Drive voltage to the intake VVT oil control valve on bank 1 is above the upper limit — short to supply or open ground side. The solenoid is energised constantly or the driver protection trips.
Affected components
- Vvt solenoid
- Vvt wiring
Common causes
- High likelihood: Drive line shorted to supply
- Low likelihood: ECU driver stage failed
- 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
- This code can affect emissions
- A drive cycle may be required after repair
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.