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.