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.