OBD Guide

B1336

Door Ajar Right Rear Circuit Open

B1336 is an OBD-II diagnostic trouble code meaning: Door Ajar Right Rear Circuit Open. Common causes: broken wires in the sensor circuit, door sensor malfunction. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–111 (est.)

Symptoms

  • Malfunction indicator on the dashboard
  • Incorrect operation of the central locking
  • Faulty interior lighting
  • Sound signal about an open door

Causes

  • Broken wires in the sensor circuit
  • Door sensor malfunction
  • Wiring harness damage
  • Contact corrosion
  • Problems with the body module

How to Fix

  1. Check the integrity of wires and contacts in the sensor circuit
  2. Check the functionality of the door opening sensor
  3. Inspect the wiring harness for damage
  4. Replace damaged components
  5. Reset the fault code and check the system

Related codes

FAQ

What does the B1336 code mean?

B1336 is an OBD-II diagnostic trouble code that indicates: Door Ajar Right Rear Circuit Open

What causes a B1336 error code?

The most common causes of B1336 include: Broken wires in the sensor circuit; Door sensor malfunction; Wiring harness damage; Contact corrosion.

How do I fix a B1336 diagnostic trouble code?

To fix B1336: Check the integrity of wires and contacts in the sensor circuit. Check the functionality of the door opening sensor. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1336?

Do not drive — repair immediately

How much does it cost to fix B1336?

The estimated repair cost for B1336 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat