B1547 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1547 – Power Window Master Circuit Failure

 

B1547 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1547 Possible Causes

 

Faulty Power Window Master Switch,Power Window Master Switch harness is open or shorted,Power Window Master Switch circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1547 Description

 

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