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.