OBD Guide
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B1319

Driver Door Ajar Circuit Failure

B1319 is an OBD-II diagnostic trouble code meaning: Driver Door Ajar Circuit Failure. Common causes: faulty door sensor, open or short circuit in wiring harness. Estimated repair cost: $11–56.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Uneven operation of interior lighting
  • Alarm problems
  • Incorrect display of door status on the instrument panel

Causes

  • Faulty door sensor
  • Open or short circuit in wiring harness
  • Body Control Module (BCM) Problems
  • Oxidation of contacts

How to Fix

  1. Check the door open sensor for mechanical damage
  2. Check the wiring harness for breaks and short circuits
  3. Check the contacts of the sensor and control unit for oxidation
  4. Replace sensor if necessary
  5. Reset the error and check the system operation

Related codes

B1320B1321

FAQ

What does the B1319 code mean?

B1319 is an OBD-II diagnostic trouble code that indicates: Driver Door Ajar Circuit Failure

What causes a B1319 error code?

The most common causes of B1319 include: Faulty door sensor; Open or short circuit in wiring harness; Body Control Module (BCM) Problems; Oxidation of contacts.

How do I fix a B1319 diagnostic trouble code?

To fix B1319: Check the door open sensor for mechanical damage. Check the wiring harness for breaks and short circuits. Check the contacts of the sensor and control unit for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1319?

Limited driving only, diagnose soon

How much does it cost to fix B1319?

The estimated repair cost for B1319 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat