C1838 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1838 – Charging System Fault


C1838 Possible Symptoms


Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)


C1838 Possible Causes


Faulty Alternator,Alternator harness is open or shorted,Alternator circuit poor electrical connection


C1838 Description


The Anti-Lock Brake System (ABS) Module monitors the Charging System. The ABS Module sets the OBDII code when the Charging System is not to factory specifications.