P054C

Symptoms

• Unstable idling
• Reduced engine power
• Increased fuel consumption
• Difficult cold start
• May be accompanied by detonation

Causes

• VVT solenoid malfunction
• Contamination of the phase change system
• VVT mechanism wear
• Low oil pressure
• Camshaft position sensor malfunction
• Wiring Harness Problems
• Mechanical problems in the timing drive

How to Fix

1. Check the level and condition of the engine oil
2. Diagnose VVT solenoid operation
3. Check camshaft position sensors
4. Inspect the wiring harness and connections
5. Check the phase change mechanism for wear
6. If necessary, replace the solenoid or VVT mechanism
7. Reset the error and check the system operation

Related codes

Error P054C by Vehicle Brand