OBD Guide
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B153A

Liftgate Latch Switches Malfunction

B153A is an OBD-II diagnostic trouble code meaning: Liftgate Latch Switches Malfunction. Common causes: mechanical damage to limit switches, oxidation of contacts. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Incorrect operation of the central locking
  • Faulty interior lighting when opening the door
  • False warnings on the dashboard
  • Alarm problems

Causes

  • Mechanical damage to limit switches
  • Oxidation of contacts
  • Open or shorted wiring harness
  • Body Control Module (BCM) Malfunction

How to Fix

  1. Check the condition of the rear door lock limit switches
  2. Clean contacts from oxidation
  3. Check the integrity of the wiring harness
  4. Replace faulty switches if necessary
  5. Test the operation of the system after repair

Related codes

B153BB153CB153D

FAQ

What does the B153A code mean?

B153A is an OBD-II diagnostic trouble code that indicates: Liftgate Latch Switches Malfunction

What causes a B153A error code?

The most common causes of B153A include: Mechanical damage to limit switches; Oxidation of contacts; Open or shorted wiring harness; Body Control Module (BCM) Malfunction.

How do I fix a B153A diagnostic trouble code?

To fix B153A: Check the condition of the rear door lock limit switches. Clean contacts from oxidation. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B153A?

Limited driving only, diagnose soon

How much does it cost to fix B153A?

The estimated repair cost for B153A is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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