Clutch Switch Input Circuit Malfunction
Table of contents
- Possible Causes
- How To Fix
- Tech Notes
- Cost To Diagnose
- When is the code detected
- Possible Symptoms
- Description
P0704 Possible Causes
- Faulty Clutch Switch
- Misadjusted Clutch Switch
- Clutch Switch harness is open or shorted
- Clutch Switch circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How do I fix code P0704?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- Check clutch switch adjustment, the switch should open and close when the clutch pedal is depress. If the switch is properly adjusted, replaced the clutch switch to resolve problem.
Cost of diagnosing the P0704 code
The cost of diagnosing the P0704 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
ECM did not detect any movement in the clutch pedal position switch
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0704 Description
When the clutch pedal is depress the voltage signal from the clutch switch to the Engine Control Module (ECM) is low. If the ECM does not see this change from high to low when the vehicle is over 0 mph, the ECM sets code P0704.