B Rocker Arm Actuator Control Circuit High Bank 2
Voltage on the rocker arm actuator B control line on bank 2 is above the expected window. Typical causes are a short to battery or an open solenoid coil.
Affected components
- Rocker arm actuator b b2
- Oil control valve
- Wiring harness
Common causes
- High likelihood: Control wire shorted to B+
- Medium likelihood: Open solenoid coil
- Low likelihood: Connector pins corroded - high contact resistance
Diagnostic notes
- The malfunction indicator lamp may illuminate
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.