B1309 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1309 – Power Door Lock Circuit Short To Ground

 

B1309 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1309 Possible Causes

 

Faulty Power Door Lock,Power Door Lock harness is open or shorted,Power Door Lock circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1309 Description

 

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