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TransmissionSeverity Medium: diagnose soon

P0805Clutch Position Sensor Circuit

What it means

The ECU sees an electrical fault in the clutch pedal position sensor circuit.

Symptoms

  • Cruise control not working
  • Engine may not start (start inhibit)
  • Stop/start not working

Common causes

  • Faulty sensor or switch
  • Wiring fault
  • Misadjusted sensor

What to check first

  1. Watch the clutch position in live data while pressing the pedal
  2. Check sensor supply and wiring
  3. Adjust or replace the sensor
Can I drive with P0805? Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.

Generic OBD-II meaning. Manufacturer-specific meanings and checks can differ; always check the service information for the car.

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P0805: questions and answers

What does P0805 mean?

P0805: Clutch Position Sensor Circuit. The ECU sees an electrical fault in the clutch pedal position sensor circuit.

What are the symptoms of P0805?

Cruise control not working. Engine may not start (start inhibit). Stop/start not working.

What causes P0805?

Faulty sensor or switch. Wiring fault. Misadjusted sensor.

How do you diagnose P0805?

1. Watch the clutch position in live data while pressing the pedal 2. Check sensor supply and wiring 3. Adjust or replace the sensor

Can I drive with P0805?

Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.