B112D Code: Meaning, Causes, and Symptoms | OBD2 Codes

B112D – Rear Window Defrost LED Circuit


B112D Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B112D Possible Causes


Faulty Rear Window Defrost LED,Rear Window Defrost LED harness is open or shorted,Rear Window Defrost LED circuit poor electrical connection,Faulty Body Control Module (BCM)


B112D Description


The Body Control Module (BCM) monitors the Rear Window Defrost LED. The BCM sets the OBDII code when the Rear Window Defrost LED is not to factory specifications.