B1756 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1756 – Hazard Flash Output Circuit Short To Ground

 

B1756 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1756 Possible Causes

 

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

 

B1756 Description

 

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