OBD Guide

P0704

Clutch Switch Input Circuit

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • Problems starting the engine
  • Incorrect operation of the starting system
  • Check Engine Light Is On
  • Unstable engine operation at idle
  • Gear shifting problems (on some models)

Causes

  • Faulty clutch switch
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the condition of the clutch switch
  2. Check the integrity of wiring and connections
  3. Clean connector contacts
  4. Test the operation of the switch
  5. If necessary, replace the clutch switch

Related codes

Error P0704 by Vehicle Brand