Possible causes

– ABS Wheel Sensor not installed currently
– ABS Wheel Sensor rotor or encoder damaged
– ABS Wheel Sensor rotor loose on axle
– Faulty ABS Wheel Sensor
– ABS Wheel Sensor harness is open or shorted
– ABS Wheel Sensor circuit poor electrical connection
– Faulty ABS Control Unit

Tech notes

There is a factory service bulletin for the all Infiniti models to help diagnose the C1105 code:

2007-2013 All Infiniti Models:
2007-2013 All Infiniti Models Factory Service Bulletin OBDII Code C1105

When is the code detected?

ABS actuator and electric unit (control unit) cannot identify sensor pulses, because of large gap between wheel sensor and sensor rotor.

Symptoms

– ABS Warning Light ON

C1105 INFINITI Description

The Anti-lock Brake System (ABS) control unit continually monitors wheel speed sensors to detect abnormal signals.