OBD
P0704
Clutch Switch Input Circuit
What it means
P0704 means Clutch Switch Input Circuit.
Where it lives
For P0704, the switch sits on the circuit this code reports. The description of P0704 reports a fault at the switch.
Check these first
- A failed clutch switch
- A misadjusted clutch pedal
- Corroded clutch switch wiring
- Water in the clutch switch connector
- A faulty TCM
What to do next
- Read the clutch switch state on a scan tool
- Check the clutch pedal adjustment
- Test the switch for continuity
- Inspect the switch wiring and connector
- Replace the clutch switch
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.