C1864 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1864 – Battery Module Fault


C1864 Possible Symptoms


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


C1864 Possible Causes


Faulty Battery Module,Battery Module harness is open or shorted,Battery Module circuit poor electrical connection


C1864 Description


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