B1634 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B1634 – Mirror Driver Left Circuit Short To Ground
B1634 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B1634 Possible Causes
Faulty Mirror Driver Motor,Mirror Driver Motor harness is open or shorted,Mirror Driver Motor circuit poor electrical connection,Faulty Body Control Module (BCM)
The Body Control Module (BCM) monitors the Mirror Driver Motor. The BCM sets the OBDII code when the Mirror Driver Motor is not to factory specifications.