C1101 HYUNDAI - Battery Voltage High
Faulty Generator (Alternator)
Generator (Alternator) harness is open or shorted
Generator (Alternator) circuit poor electrical connection
Anti-Lock Brake System (ABS) Warning Light ON
Engine Light ON (or Service Engine Soon Warning Light)
C1101 Hyundai Description
The Anti-Lock Brake System (ABS) Electronic Control Unit (ECU) checks the battery voltage and generator output voltage to determine, as a safety issue, whether the ABS system can operate normally or not. The normal battery voltage range is essential for controlling the ABS system as intended.