Powertrain
generic / SAE
P2653
B Rocker Arm Actuator Control Circuit Low Bank 1
Voltage on the rocker arm actuator B control line on bank 1 is below the expected window. Usually a short to ground or a shorted solenoid coil.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 53
Possible causes
- Control wire shorted to ground high
- Internal short in solenoid coil medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 150–1200 €
- Estimated time: 1–4 h
- Component: rocker arm actuator b b1
- Component: oil control valve
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012