P0704: Clutch Switch Input Circuit Malfunction

HighPowertrainTransmission

What does P0704 mean?

P0704 is a diagnostic trouble code indicating "Clutch Switch Input Circuit Malfunction". A component in the transmission has been flagged as malfunctioning by the vehicle's ECU. This requires diagnosis to determine whether the part itself has failed or if there is a related wiring or control issue.

Common causes

  • Faulty transmission component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

This is a significant issue that should be diagnosed and repaired soon. Avoid long trips or heavy driving until the problem is resolved. Continued driving may cause additional damage.

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Code P0704 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

P0703Torque Converter/Brake Switch B Circuit Malfunction
P0705Transmission Range Sensor Circuit Malfunction (PRNDL Input)
P0702Transmission Control System Electrical
P0706Transmission Range Sensor Circuit Range/Performance