OBD Guide

B1326

Door Ajar Lamp Circuit Short To Ground

B1326 is an OBD-II diagnostic trouble code meaning: Door Ajar Lamp Circuit Short To Ground. Common causes: damage to the wiring harness in the door area, short circuit in the lamp itself. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • The door open lamp stays on continuously even if all doors are closed.
  • Battery drain due to constant power consumption
  • Alarms may go off for no reason

Causes

  • Damage to the wiring harness in the door area
  • Short circuit in the lamp itself
  • Problems in the control unit
  • Contact corrosion

How to Fix

  1. Check the condition of the wiring harness in the door area
  2. Check the lamp and its contacts for short circuits
  3. Check the control unit for errors
  4. Replace damaged components

Related codes

FAQ

What does the B1326 code mean?

B1326 is an OBD-II diagnostic trouble code that indicates: Door Ajar Lamp Circuit Short To Ground

What causes a B1326 error code?

The most common causes of B1326 include: Damage to the wiring harness in the door area; Short circuit in the lamp itself; Problems in the control unit; Contact corrosion.

How do I fix a B1326 diagnostic trouble code?

To fix B1326: Check the condition of the wiring harness in the door area. Check the lamp and its contacts for short circuits. Check the control unit for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1326?

Limited driving only, diagnose soon

How much does it cost to fix B1326?

The estimated repair cost for B1326 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat