B1420 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1420 – Passenger Power Window Motor Circuit Short To Battery

 

B1420 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1420 Possible Causes

 

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

 

B1420 Description

 

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