B1637 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B1637 – Mirror Driver Right Circuit Short To Battery
B1637 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B1637 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.