OBD-II Generic Error Code P0704: How to Fix It

Q: Can I drive with error code P0704?

Yes, you can drive, but cruise control may not work, and the check engine light will stay on. It may also affect starting or rev-matching features.

Q: How much does it cost to fix P0704?

If it's just the clutch switch, parts cost $15-$50 and labor $50-$100. If the wiring or ECM is involved, costs can be higher.

Q: What causes P0704?

Common causes: faulty clutch switch, misaligned switch, damaged wiring, or a failed clutch pedal position sensor.

Q: Will P0704 cause the car to not start?

In some vehicles, the clutch switch is required to start the engine. A faulty switch may prevent starting.

Q: How do I clear code P0704?

After repairs, use an OBD2 scanner to clear the code. If the issue is resolved, the code should not return.

Abstract

Error code P0704 indicates a problem with the clutch switch input circuit on vehicles with a manual transmission. This can cause cruise control to disengage, starting issues, or a check engine light. The clutch switch tells the ECU when the clutch pedal is pressed.