B1793 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1793 – Autolamp Sensor Input Circuit Short To Ground

 

B1793 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1793 Possible Causes

 

Faulty Autolamp Sensor,Autolamp Sensor harness is open or shorted,Autolamp Sensor circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1793 Description

 

The Body Control Module (BCM) monitors the Autolamp Sensor. The BCM sets the OBDII code when the Autolamp Sensor is not to factory specifications.