OBD Guide

B1728

Seat Driver Rear Up Switch Circuit Short To Ground

B1728 is an OBD-II diagnostic trouble code meaning: Seat Driver Rear Up Switch Circuit Short To Ground. Common causes: damage to the wiring in the switch circuit, seat lift switch malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of the driver's rear seat lift mechanism
  • Complete failure of the seat lift function
  • The malfunction indicator on the instrument panel lights up

Causes

  • Damage to the wiring in the switch circuit
  • Seat lift switch malfunction
  • Short circuit to ground
  • Problems in the control unit

How to Fix

  1. Check the integrity of the wiring in the switch circuit
  2. Check the operation of the seat lift switch
  3. Repair short circuit to ground
  4. If necessary, replace the switch or control unit

Related codes

FAQ

What does the B1728 code mean?

B1728 is an OBD-II diagnostic trouble code that indicates: Seat Driver Rear Up Switch Circuit Short To Ground

What causes a B1728 error code?

The most common causes of B1728 include: Damage to the wiring in the switch circuit; Seat lift switch malfunction; Short circuit to ground; Problems in the control unit.

How do I fix a B1728 diagnostic trouble code?

To fix B1728: Check the integrity of the wiring in the switch circuit. Check the operation of the seat lift switch. Repair short circuit to ground. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1728?

Limited driving only, diagnose soon

How much does it cost to fix B1728?

The estimated repair cost for B1728 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat