B1421 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1421 – Passenger Power Window Motor Circuit Short To Ground


B1421 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1421 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)


B1421 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.