Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there is a problem with the switch that tells the car when you press the clutch pedal. It's like a light switch that isn't working right.
The P0704 code indicates a malfunction in the circuit that monitors the clutch pedal position switch, which is crucial for starting the engine and shifting gears.
The clutch switch input circuit is responsible for sending a signal to the vehicle's computer indicating the position of the clutch pedal. This is important for functions such as starting the engine (in manual transmissions) and ensuring the correct operation of the cruise control system. A malfunction in this circuit can lead to improper vehicle operation.
• Engine may not start
• Cruise control may not work
• Check Engine Light illuminated
• Faulty clutch pedal position switch
• Damaged or corroded wiring or connectors
• Faulty PCM (Powertrain Control Module)
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Inspect the clutch pedal position switch for damage.
• Check wiring and connectors for corrosion or damage.
• Test the switch with a multimeter for proper operation.
• Replace the faulty clutch pedal position switch.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the PCM if necessary.
• Multimeter
• Screwdriver set
• OBD-II scanner
$100 - $300
Moderate
• Ford Focus
• Honda Civic
• Toyota Corolla
• Regularly inspect clutch switch and wiring.
• Avoid harsh driving conditions that may damage components.
• Ensure proper maintenance of the vehicle's electrical system.
Sensor Issue
• Do not ignore the Check Engine Light.
• Seek professional help if unsure about the repair.
• Avoid using cruise control until the issue is fixed.
Check with the vehicle manufacturer for warranty coverage on electrical components.
The P0704 code has been commonly reported in vehicles with manual transmissions, especially in models from the early 2000s.
Moderate – It may affect the vehicle's starting and cruise control functions.
Driving with a malfunctioning clutch switch can lead to safety issues, especially if the vehicle fails to start or cruise control malfunctions.
• Engine off, ignition on
• Clutch pedal fully depressed
The clutch pedal position switch is typically located near the top of the clutch pedal arm under the dashboard.
Q: Can I drive with a P0704 code?
A: It's not recommended as it may affect starting and cruise control functions.
Q: How do I reset the P0704 code?
A: Fix the underlying issue and use an OBD-II scanner to clear the code.
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