OBD Guide

B1731

Seat Driver Rear Down Switch Circuit Short To Battery

B1731 is an OBD-II diagnostic trouble code meaning: Seat Driver Rear Down Switch Circuit Short To Battery. Common causes: damage to wire insulation, short circuit inside the switch. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Spontaneous movement of the driver's seat
  • Lack of response to regulation control
  • SRS malfunction lamp lights up

Causes

  • Damage to wire insulation
  • Short circuit inside the switch
  • Defective wiring harness
  • Problems with the seat control unit

How to Fix

  1. Check the integrity of the wire insulation
  2. Ring the switch circuit
  3. Check resistance and switch signal
  4. Inspect the seat control unit
  5. Replace damaged components

Related codes

FAQ

What does the B1731 code mean?

B1731 is an OBD-II diagnostic trouble code that indicates: Seat Driver Rear Down Switch Circuit Short To Battery

What causes a B1731 error code?

The most common causes of B1731 include: Damage to wire insulation; Short circuit inside the switch; Defective wiring harness; Problems with the seat control unit.

How do I fix a B1731 diagnostic trouble code?

To fix B1731: Check the integrity of the wire insulation. Ring the switch circuit. Check resistance and switch signal. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1731?

Limited driving only, diagnose soon

How much does it cost to fix B1731?

The estimated repair cost for B1731 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat