Cylinder Deactivation Oil Pressure Switch Bank 2 Circuit
The engine control module has detected an electrical fault in the cylinder deactivation oil pressure switch circuit on bank 2. Without a valid signal the module cannot confirm that hydraulic pressure has reached the level needed to deactivate cylinders on bank 2.
Affected components
- Oil pressure switch
- Engine wiring harness
- Ecm
Common causes
- High likelihood: Oil pressure switch failed
- Medium likelihood: Wiring short or open
- Low likelihood: Connector corrosion
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.