OBD Guide
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B1323

Door Ajar Lamp Circuit Failure

B1323 is an OBD-II diagnostic trouble code meaning: Door Ajar Lamp Circuit Failure. Common causes: open or short circuit in wiring harness, door sensor malfunction. Estimated repair cost: $11–56.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • The door open lamp does not light up when the door is opened
  • The door open lamp is constantly on
  • Door ajar alarm does not work

Causes

  • Open or short circuit in wiring harness
  • Door sensor malfunction
  • Problems with the body module
  • Oxidation of contacts

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the operation of the door sensor
  3. Scan the body module for errors
  4. Clean sensor contacts and connectors

Related codes

B1324B1325

FAQ

What does the B1323 code mean?

B1323 is an OBD-II diagnostic trouble code that indicates: Door Ajar Lamp Circuit Failure

What causes a B1323 error code?

The most common causes of B1323 include: Open or short circuit in wiring harness; Door sensor malfunction; Problems with the body module; Oxidation of contacts.

How do I fix a B1323 diagnostic trouble code?

To fix B1323: Check the integrity of the wiring harness. Check the operation of the door sensor. Scan the body module for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1323?

Yes, but get it checked soon

How much does it cost to fix B1323?

The estimated repair cost for B1323 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat