How do I fix code P0704?
What repairs can fix the P0704 code? If a faulty or damaged clutch switch is causing the problem, then the best repair is to replace the switch. However, in many cases, the problem may simply be that the clutch switch is not adjusted properly or that there is damage or corrosion in the circuit.
What is a P0704 code?
OBD-II Code P0704 is defined as a Clutch Switch Input Circuit. The Clutch Position Sensor tells the engine control module (PCM) if the clutch is engaged or not. When the PCM detects an incorrect signal from the Clutch Position Sensor, the PCM will set code P0704.
What is a TCC circuit malfunction?
A torque converter clutch (TCC) circuit malfunction is what triggers trouble code P0740. When disengaged, the TCC locks the converter shell to the turbine shaft – creating a 1 to 1 connection between the transmission and engine to prevent slippage.
When does the clutch switch set code p0704?
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. Need more help?
What does PCM error code p0704 mean?
When Error Code P0704 is stored, this means the PCM (powertrain control module, also known as ECM or engine control module in other vehicle makes) has determined a malfunction in the clutch switch input circuit. This code is only applicable for vehicles with manual transmission.
What does code p0704 mean on OBD-II?
If a code P0704 has been stored in your OBD-II vehicle, it simply means that the powertrain control module (PCM) has detected a malfunction in the clutch switch input circuit.
How long does it take to diagnose p0704 code?
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. The cost to diagnose the P0704 code is 1.0 hour of labor.