B1639 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1639 – Mirror Passenger Left Circuit Failure


B1639 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1639 Possible Causes


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


B1639 Description


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