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

P2C1B

B Camshaft Profile Actuator Position Sensor C Range/Performance Bank 1

The position sensor C of camshaft profile actuator on the exhaust side of bank 1 reports a range/performance condition. Cam profile selection feedback cannot be measured reliably.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / 1B

Possible causes

  • Sensor offset drifted high
  • Actuator mechanism worn medium
  • Sensor element aged beyond calibration window low

Symptoms

  • Check engine light on
  • Power loss especially in mid-rpm range
  • Possible rough idle or stalling
  • Increased fuel consumption

Inspection / repair

  • Difficulty: medium
  • DIY: shop recommended

Pro mode: costs, time and components

Free with the newsletter by Fabian Brose: enter your name and email, confirm by mail – Pro mode is then unlocked on this device for 30 days. The newsletter arrives about every two weeks, unsubscribe at any time. Already subscribed? One click is enough – you will be recognised.

Unlock Pro mode for free

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