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

P2C50

Clutch Pedal Position Sensor A/Clutch Actuator Position Sensor Correlation

The pedal position signal of clutch sensor A does not correlate with the actuator position signal within the calibrated tolerance. Plausibility check fails.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / 50

Possible causes

  • One sensor offset drifted high
  • Mechanical linkage worn medium

Symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Inspection / repair

  • Difficulty: medium
  • DIY: shop recommended
  • Estimated cost: 200–800 €
  • Estimated time: 1–3 h
  • Component: clutch pedal position sensor a
  • Component: clutch actuator position sensor
  • Component: tcm
  • MIL / check engine light
  • limp mode possible

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