Powertrain
generic / SAE
P264C
A Rocker Arm Actuator Position Sensor Circuit Low Bank 1
The position sensor signal is below the lower diagnostic threshold. Usually a shorted sensor or short to ground in the harness.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 4C
Possible causes
- Internal short in sensor element high
- Signal wire shorted to ground medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–800 €
- Estimated time: 0.8–3 h
- Component: rocker arm position sensor a b1
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012