B1781 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1781 – Mirror Driver Down Short To Ground


B1781 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1781 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)


B1781 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.