C2101 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C2101 – Battery Voltage High


C2101 Possible Symptoms


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


C2101 Possible Causes


Vehicle battery,Vehicle charging system,Faulty Anti-Lock Brake System (ABS) Module,Faulty Engine Control Module (ECM)


C2101 Description


The Anti-Lock Brake System (ABS) Module monitors the Battery Voltage. The ABS Module sets the OBDII code it detects system voltage is above 17 volts.