Ford C2101 OBD-II Trouble Code Definition: C2101 Battery Voltage High C2101 Ford OBD-II Trouble CodeDescription: Causes – Faulty Engine Control Module (ECM)– Vehicle battery– Vehicle charging system– Faulty Anti-Lock Brake System (ABS) Module Symptoms – ABS Warning Light ON C2101 CHRYSLER OBD Code Description Anti-Lock Brake (ABS) Module detects system voltage is above 17 volts. […]