Powertrain
generic / SAE
P25D1
Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 1
The exhaust camshaft park-lock control line on bank 1 is below the expected voltage window. Usually a short to ground or a low-side driver shorted internally.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / D1
Possible causes
- Control wire shorted to ground high
- ECU low-side driver internally shorted medium
- Connector pins corroded - high contact resistance low
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: 150–1200 €
- Estimated time: 1–4 h
- Component: exhaust cam phaser b1
- Component: park lock solenoid
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012