Cylinder Deactivation System Performance Bank 2
The engine control module has detected that the cylinder deactivation system on bank 2 is not performing as expected. Closed-loop monitoring of pressure response, valve timing or misfire counters during transitions indicates the system fails to deactivate or reactivate cylinders within calibrated limits.
Affected components
- Cylinder deactivation solenoid
- Lifter
- Oil control valve
Common causes
- High likelihood: Switching lifter stuck or worn
- Medium likelihood: Insufficient oil pressure
- Medium likelihood: Solenoid slow or contaminated
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.