OBD Guide

P0704

Clutch Switch Input Circuit

P0704 is an OBD-II diagnostic trouble code meaning: Clutch Switch Input Circuit. Common causes: faulty clutch switch, open or short circuit in the circuit. Estimated repair cost: $6–28.

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

FAQ

What does the P0704 code mean?

P0704 is an OBD-II diagnostic trouble code that indicates: Clutch Switch Input Circuit

What causes a P0704 error code?

The most common causes of P0704 include: Faulty clutch switch; Open or short circuit in the circuit; Poor contact in connectors; Wiring harness damage.

How do I fix a P0704 diagnostic trouble code?

To fix P0704: Check the condition of the clutch switch. Check the integrity of wiring and connections. Clean connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0704?

Yes, but get it checked soon

How much does it cost to fix P0704?

The estimated repair cost for P0704 is $6–28. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat