B14AA Code: Meaning, Causes, and Symptoms | OBD2 Codes

B14AA – Demand Lamp Output Circuit Short


B14AA Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B14AA Possible Causes


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


B14AA Description


The Body Control Module (BCM) monitors the Demand Lamp. The BCM sets the OBDII code when it detects a short to ground, short to battery or open from the demand lighting output circuit.