B1319 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1319 – Driver Door Ajar Circuit Failure

 

B1319 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1319 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)

 

B1319 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.