OBD Codes List

Diagnostic reference · P0808

P0808

Clutch Position Sensor A Circuit High

System
Transmission (P code)
Lamp
Check Engine Light
Category
Powertrain - Transmission

What it means

P0808 means Clutch Position Sensor A Circuit High.

Where it lives

For P0808, the circuit described runs through the sensor. The description of P0808 reports a fault at the sensor.

Check these first

  • An open in the clutch position sensor A circuit
  • High resistance in the sensor A wiring
  • A faulty clutch position sensor A
  • A clutch pedal switch fault
  • An ECM or TCM software fault

What to do next

  1. Read clutch position sensor A on a scan tool
  2. Test the sensor A circuit for an open
  3. Measure the sensor A circuit resistance
  4. Check the pedal switch and adjustment
  5. Replace the sensor if the circuit is off spec
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.