OBD-II code · Powertrain (generic)
P0704 Clutch Switch Input Circuit
A circuit fault on the clutch pedal position switch input - used by the ECU to inhibit cruise control, allow cranking, and time gear-shift events on manual transmissions.
Is it safe to drive with P0704?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen in switch or wiring
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.2 h
- Emissions test
- Usually unaffected
- Parts involved
- Clutch Switch
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.