OBD Guide

P08B9

Clutch Pedal Position Sensor A/B Correlation

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

Symptoms

  • Check Engine light comes on
  • Gear shifting problems
  • The car goes into emergency mode
  • Unstable clutch operation
  • Reduced engine power

Causes

  • Malfunction of one of the clutch pedal position sensors
  • Damage to wiring or sensor connectors
  • Mechanical damage to the clutch pedal
  • Problems with the engine control unit
  • Corrosion of sensor contacts

How to Fix

  1. Check the condition of the clutch pedal position sensors
  2. Inspect wiring and connectors for damage
  3. Check the mechanical condition of the clutch pedal
  4. Clean sensor contacts from corrosion
  5. Replace faulty sensors if necessary

Related codes

Error P08B9 by Vehicle Brand