P1528
Intake Camshaft Control Circuit Bank 1 Open
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable idling
- Difficulty starting the engine
Causes
- Open or short circuit in wiring harness
- VVT solenoid valve malfunction
- Poor contact in control circuit connectors
- Engine control unit malfunction
- Mechanical damage to the timing system
How to Fix
- Check the integrity of the control circuit wiring harness
- Check resistance and operation of VVT solenoid valve
- Inspect and clean electrical connectors
- Check the power and ground of the control circuit
- If necessary, replace faulty components