B1784 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1784 – Mirror Passenger Up Circuit Short To Battery

 

B1784 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1784 Possible Causes

 

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

 

B1784 Description

 

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