Engine-Codes - Generic - B1321

B1321 - Driver Door Ajar Circuit Short To Battery

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?

B1321 Possible Causes

  • Faulty Driver Door Ajar Switch
  • Driver Door Ajar Switch harness is open or shorted
  • Driver Door Ajar Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B1321

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the B1321 code

Labor: 1.0

The cost of diagnosing the B1321 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1321 Meaning

The Body Control Module (BCM) monitors the Driver Door Ajar Switch. The BCM sets the OBDII code when the Driver Door Ajar Switch is not to factory specifications.

B1321 More Information

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