B1311 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1311 – Power Door Unlock Circuit Open

 

B1311 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1311 Possible Causes

 

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

 

B1311 Description

 

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