B1443 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1443 – Door Handle Switch Circuit Open


B1443 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1443 Possible Causes


Faulty Door Handle Switch,Door Handle Switch harness is open or shorted,Door Handle Switch circuit poor electrical connection,Faulty Body Control Module (BCM)


B1443 Description


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