OBD Guide

B1896

Drivers/Passengers Door Ajar Output Circuit Short to Battery

B1896 is an OBD-II diagnostic trouble code meaning: Drivers/Passengers Door Ajar Output Circuit Short to Battery. Common causes: damage to the wiring in the door (the wiring harness is frayed), short circuit in the door sensor. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–56 (est.)

Symptoms

  • False door open warning on instrument panel
  • Incorrect operation of interior lighting
  • Problems with central locking
  • Warning beeps do not work when the door is open

Causes

  • Damage to the wiring in the door (the wiring harness is frayed)
  • Short circuit in the door sensor
  • Problems with the sensor connector
  • Body Control Module (BCM) Malfunction
  • Contact corrosion

How to Fix

  1. Check the condition of the wiring harness in the area of the door hinges
  2. Check door sensor for short circuit
  3. Inspect connectors and contacts for corrosion
  4. Check the circuit for short circuit using a multimeter
  5. If necessary, replace the sensor or repair the wiring
  6. Check/replace the BCM if it is suspected to be faulty

Related codes

FAQ

What does the B1896 code mean?

B1896 is an OBD-II diagnostic trouble code that indicates: Drivers/Passengers Door Ajar Output Circuit Short to Battery

What causes a B1896 error code?

The most common causes of B1896 include: Damage to the wiring in the door (the wiring harness is frayed); Short circuit in the door sensor; Problems with the sensor connector; Body Control Module (BCM) Malfunction.

How do I fix a B1896 diagnostic trouble code?

To fix B1896: Check the condition of the wiring harness in the area of the door hinges. Check door sensor for short circuit. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1896?

Do not drive — repair immediately

How much does it cost to fix B1896?

The estimated repair cost for B1896 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat