OBD-II code · Powertrain (generic, extended)
P25D5 Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 2
The exhaust camshaft park-lock control line on bank 2 is above the expected voltage window. Typical causes are a short to battery or a stuck-on driver in the controller.
Is it safe to drive with P25D5?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyControl wire shorted to a B+ supply
- PossibleECU output driver stuck on
- Less likelyConnector pins corroded - high contact resistance
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Exhaust Cam Phaser B2, Park Lock Solenoid, Wiring Harness
Related codes
- P25D2Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 1
- P25D3Exhaust Camshaft Actuator Park Lock Control Circuit / Open Bank 2
- P25D4Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 2
- P25D6Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Stop Performance
- P25D7Fuel Level Sensor C Circuit
- P25D8Fuel Level Sensor C Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.