B1743 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1743 – Mirror Passenger Vertical Switch Circuit Short To Battery

 

B1743 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1743 Possible Causes

 

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

 

B1743 Description

 

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