B1321
Driver Door Ajar Circuit Short To Battery
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)
Symptoms
- False messages about the driver's door not being closed
- Alarm going off for no reason
- Incorrect operation of interior lighting
- Problems with central locking
Causes
- Damage to the wiring harness in the doorway
- Short circuit in the door sensor
- Connector pin corrosion
- Body control module (BCM) malfunction
How to Fix
- Check the condition of the wiring harness in the doorway
- Inspect the sensor contacts and connectors for corrosion
- Check the resistance of the door sensor
- Check the continuity of the wire circuit using a multimeter
- If necessary, replace the sensor or repair the wiring harness