OBD Guide
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B1704

Seat Driver Recline Forward Switch Circuit Short To Ground

B1704 is an OBD-II diagnostic trouble code meaning: Seat Driver Recline Forward Switch Circuit Short To Ground. Common causes: wiring harness damage, seat tilt switch malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inability to adjust the driver's seat forward
  • Spontaneous seat movement
  • Seat system fault indicator flashing

Causes

  • Wiring harness damage
  • Seat tilt switch malfunction
  • Short circuit to ground
  • Problems with the seat control unit

How to Fix

  1. Check wiring harness for damage
  2. Check seat recline switch
  3. Check the continuity of the circuit and the absence of a short circuit
  4. Replace switch or wiring harness if necessary
  5. Check seat control unit

Related codes

B1705B1706B1707

FAQ

What does the B1704 code mean?

B1704 is an OBD-II diagnostic trouble code that indicates: Seat Driver Recline Forward Switch Circuit Short To Ground

What causes a B1704 error code?

The most common causes of B1704 include: Wiring harness damage; Seat tilt switch malfunction; Short circuit to ground; Problems with the seat control unit.

How do I fix a B1704 diagnostic trouble code?

To fix B1704: Check wiring harness for damage. Check seat recline switch. Check the continuity of the circuit and the absence of a short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1704?

Limited driving only, diagnose soon

How much does it cost to fix B1704?

The estimated repair cost for B1704 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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