C1109 INFINITI – Power And Ground System

C1109 INFINITI Possible Symptoms

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

C1109 INFINITI Possible Causes

Faulty Anti-Lock Brake System (ABS) Module Actuator (Electrical / Control Unit),ABS Module harness is open or shorted,ABS Module circuit poor electrical connection,Blown ABS Module fuse,Low battery voltage

C1109 INFINITI Description

The Anti-Lock Brake System (ABS) Module Actuator (Electrical / Control Unit) monitors the power supplies. The C1109 OBDII code is set when the ABS Module power supply voltage is lower than normal.