OBD Guide

B0053

Second Row Left Seat Belt Sensor

B0053 is an OBD-II diagnostic trouble code meaning: Second Row Left Seat Belt Sensor. Common causes: seat belt sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • SRS does not recognize seat belt is fastened
  • Possible problems with the operation of the seat belt pretensioner

Causes

  • Seat belt sensor malfunction
  • Open or short circuit in wiring harness
  • Contact corrosion
  • Problems with the SRS module

How to Fix

  1. Check the integrity of the wiring harness
  2. Diagnose the seat belt sensor
  3. Clean or replace contacts
  4. If necessary, replace the SRS sensor or module

Related codes

Error B0053 by Vehicle Brand

FAQ

What does the B0053 code mean?

B0053 is an OBD-II diagnostic trouble code that indicates: Second Row Left Seat Belt Sensor

What causes a B0053 error code?

The most common causes of B0053 include: Seat belt sensor malfunction; Open or short circuit in wiring harness; Contact corrosion; Problems with the SRS module.

How do I fix a B0053 diagnostic trouble code?

To fix B0053: Check the integrity of the wiring harness. Diagnose the seat belt sensor. Clean or replace contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0053?

Do not drive — repair immediately

How much does it cost to fix B0053?

The estimated repair cost for B0053 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat