B1689 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1689 – Autolamp Delay Circuit Failure


B1689 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1689 Possible Causes


Faulty Autolamp Delay Circuit,Faulty Body Control Module (BCM)


B1689 Description


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