B1623 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1623 – Lamp Keypad Output Circuit Failure


B1623 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1623 Possible Causes


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


B1623 Description


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