Powertrain
generic / SAE
P25D0
Exhaust Camshaft Actuator Park Lock Control Circuit / Open Bank 1
The controller cannot drive the park-lock pin that secures the exhaust camshaft phaser on bank 1 in its base position at engine off. Without the lock, the next start can suffer poor combustion or rough idle until the phaser builds oil pressure.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / D0
Possible causes
- Open coil in the park-lock solenoid high
- Broken control wire between ECU and solenoid medium
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1.5–5 h
- Component: exhaust cam phaser b1
- Component: park lock solenoid
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012