B1321 - Driver Door Ajar Circuit Short To Battery

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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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)

Possible symptoms

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

B1321 Description

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.
OBDII Code B1321 - Driver Door Ajar Circuit Short To Battery - AutoCodes.com

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B1321 Comments

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