B1644 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1644 – Mirror Passenger Right Circuit Open

 

B1644 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1644 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)

 

B1644 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.