B1336 Door Ajar Right Rear Circuit Open

OBD2 Code: B1336

Description: Door Ajar Right Rear Circuit Open

Definition: This code indicates that there is an open circuit in the door ajar switch for the right rear door. The vehicle’s control module has detected a fault in the electrical circuit responsible for monitoring whether the right rear door is closed or ajar.

B1336 – Door Ajar Right Rear Circuit Open: Minor

Common Causes

B1336 – Door Ajar Right Rear Circuit Open

Common Causes:

• Faulty right rear door ajar switch
• Broken or shorted wiring in the right rear door circuit
• Corrosion or poor connection at the right rear door ajar switch connector
• Faulty body control module (BCM)

Common Misdiagnosis

OBD2 Code: B1336

Description: Door Ajar Right Rear Circuit Open

Common Misdiagnosis: Faulty door latch or switch is often misdiagnosed as a wiring issue.

Common Diagnostic Steps

OBD2 Code: B1336
Description: Door Ajar Right Rear Circuit Open

• Inspect the right rear door latch assembly for damage or wear.
• Check the wiring harness and connectors for any signs of corrosion, damage, or disconnection.
• Test the door ajar switch using a multimeter to ensure it is functioning correctly.
• Verify that the door is closing properly and aligning with the latch mechanism.
• Examine the Body Control Module (BCM) for any related fault codes or issues.
• If necessary, replace faulty components such as the door ajar switch or wiring harness.