Possible Causes of P11AC
- Faulty camshaft adjustment actuator
- Camshaft adjustment actuator harness is open or shorted
- Poor electrical connection in camshaft adjustment actuator circuit
How to Fix Code P11AC?
Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or engine service soon warning light)
P11AC Meaning
The Engine Control Module (ECM) monitors the camshaft adjustment actuator. The ECM sets the OBDII code when the camshaft adjustment actuator does not meet factory specifications.