B1774 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1774 – Mirror Driver Up Circuit Open

 

B1774 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1774 Possible Causes

 

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

 

B1774 Description

 

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