P2B51
B Camshaft Profile Actuator B Control Performance/Stuck Off Bank 1
P2B51 is an OBD-II diagnostic trouble code meaning: B Camshaft Profile Actuator B Control Performance/Stuck Off Bank 1. Common causes: jamming of the variable valve timing mechanism, low or poor quality engine oil. Estimated repair cost: $33–167.
Symptoms
- Unstable engine idling
- Reduced engine power and response
- Increased fuel consumption
- Possible misfires
- Check engine light comes on
Causes
- Jamming of the variable valve timing mechanism
- Low or poor quality engine oil
- VVT solenoid dirty
- Problems with the electrical control circuit (open, short)
- Mechanical damage to VVT gear
How to Fix
- Check the level and condition of the engine oil
- Diagnose VVT solenoid operation
- Check the electrical control circuit of the mechanism
- Clean or replace the phase change mechanism
- If necessary, replace the VVT camshaft gear
Related codes
Error P2B51 by Vehicle Brand
FAQ
What does the P2B51 code mean?
P2B51 is an OBD-II diagnostic trouble code that indicates: B Camshaft Profile Actuator B Control Performance/Stuck Off Bank 1
What causes a P2B51 error code?
The most common causes of P2B51 include: Jamming of the variable valve timing mechanism; Low or poor quality engine oil; VVT solenoid dirty; Problems with the electrical control circuit (open, short).
How do I fix a P2B51 diagnostic trouble code?
To fix P2B51: Check the level and condition of the engine oil. Diagnose VVT solenoid operation. Check the electrical control circuit of the mechanism. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2B51?
Yes, but get it checked soon
How much does it cost to fix P2B51?
The estimated repair cost for P2B51 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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