OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

P25CF

Intake Camshaft Actuator Park Lock Control Circuit High Bank 2

The intake 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.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / CF

Possible causes

  • Control wire shorted to a B+ supply high
  • ECU output driver stuck on 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: intake cam phaser b2
  • Component: park lock solenoid
  • Component: wiring harness
  • MIL / check engine light

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication