B12B6 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B12B6 – Front Lock Motor Common Circuit Circuit Short

 

B12B6 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B12B6 Possible Causes

 

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

 

B12B6 Description

 

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