B1779 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1779 – Mirror Driver Down Circuit Open


B1779 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1779 Possible Causes


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


B1779 Description


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