Powertrain
generic / SAE
P264A
A Rocker Arm Actuator Position Sensor Circuit Bank 1
The position sensor that confirms the A rocker arm switching state on bank 1 returns no usable signal. Closed-loop control of valve lift cannot verify the state.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 4A
Possible causes
- Open sensor element high
- Corroded sensor connector medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 180–1200 €
- Estimated time: 1–4 h
- Component: rocker arm position sensor a b1
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012