OBD Guide
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B1453

Tailgate/Liftgate/Boot/Trunk Latch Position Switch Circuit Short To Battery or Open

B1453 is an OBD-II diagnostic trouble code meaning: Tailgate/Liftgate/Boot/Trunk Latch Position Switch Circuit Short To Battery or Open. Common causes: broken wiring harness, short circuit to +12v. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect display of the rear door status on the dashboard
  • Malfunction of the rear door central locking
  • Error on the dashboard
  • Door warning light illumination

Causes

  • Broken wiring harness
  • Short circuit to +12V
  • Lock position sensor malfunction
  • Oxidation of contacts
  • Damage to connectors

How to Fix

  1. Check the condition of the wiring harness and contacts for damage
  2. Check the sensor circuit for open and short circuit
  3. Check the functionality of the lock position sensor
  4. Replace damaged wires or connectors
  5. Clean oxidized contacts

Related codes

B1440B1441B1450

FAQ

What does the B1453 code mean?

B1453 is an OBD-II diagnostic trouble code that indicates: Tailgate/Liftgate/Boot/Trunk Latch Position Switch Circuit Short To Battery or Open

What causes a B1453 error code?

The most common causes of B1453 include: Broken wiring harness; Short circuit to +12V; Lock position sensor malfunction; Oxidation of contacts.

How do I fix a B1453 diagnostic trouble code?

To fix B1453: Check the condition of the wiring harness and contacts for damage. Check the sensor circuit for open and short circuit. Check the functionality of the lock position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1453?

Limited driving only, diagnose soon

How much does it cost to fix B1453?

The estimated repair cost for B1453 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat