P1111
Intake Valve Timing Control Solenoid Valve Circuit Bank 1
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- The engine goes into emergency mode
Causes
- VVT solenoid valve malfunction
- Open or short circuit in control circuit
- Poor contact in connectors
- Engine control unit malfunction
- VVT System Mechanical Problems
How to Fix
- Check the condition of the VVT solenoid valve
- Check the integrity of the control circuit and connectors
- Check power and ground circuit
- If necessary, replace the solenoid valve
- Reset the error and check the system operation