P2657
A Rocker Arm Actuator System Stuck On Bank 2
P2657 is an OBD-II diagnostic trouble code meaning: A Rocker Arm Actuator System Stuck On Bank 2. Common causes: mechanical jamming of the rocker arm drive, low oil pressure or contaminated oil. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine operation at idle
- Unusual noises from the timing belt area
Causes
- Mechanical jamming of the rocker arm drive
- Low oil pressure or contaminated oil
- VVT control solenoid valve malfunction
- Problems with control circuit wiring or connectors
- Engine control unit malfunction
How to Fix
- Check the level and condition of the engine oil
- Diagnose oil pressure in the system
- Check the VVT solenoid valve and its control circuit
- Inspect the rocker arm drive mechanism for damage
- Replace rocker arm drive or related components as necessary.
Related codes
Error P2657 by Vehicle Brand
FAQ
What does the P2657 code mean?
P2657 is an OBD-II diagnostic trouble code that indicates: A Rocker Arm Actuator System Stuck On Bank 2
What causes a P2657 error code?
The most common causes of P2657 include: Mechanical jamming of the rocker arm drive; Low oil pressure or contaminated oil; VVT control solenoid valve malfunction; Problems with control circuit wiring or connectors.
How do I fix a P2657 diagnostic trouble code?
To fix P2657: Check the level and condition of the engine oil. Diagnose oil pressure in the system. Check the VVT solenoid valve and its control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2657?
Limited driving only, diagnose soon
How much does it cost to fix P2657?
The estimated repair cost for P2657 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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