OBD Guide

P08AC

Clutch Pedal Position Sensor A Not Learned

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect clutch behavior
  • Difficulty shifting gears
  • Check Engine Light Is On
  • Reduced vehicle dynamics
  • It may be impossible to start the engine

Causes

  • The sensor training procedure has not been completed
  • Malfunction of the clutch pedal position sensor
  • Problems with wiring to the sensor
  • Transmission control unit malfunction
  • Mechanical damage to the pedal assembly

How to Fix

  1. Check the condition of the sensor and its fastening
  2. Check the integrity of wiring and connections
  3. Perform the sensor training procedure according to the service documentation
  4. If necessary, replace the clutch pedal position sensor
  5. Check and reflash the control unit if necessary

Related codes

Error P08AC by Vehicle Brand