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.