Normal Operation

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

The wheel speed sensors generate a square wave signal that is sent to the ABS module. The wheel speed sensor circuitry connects to the ABS module through 2 wires and a connector at each wheel speed sensor. When the ignition is turned to the RUN position, the ABS module carries out a self-test to determine if the sensors are functional.

If the ABS module determines that a short or an open exists in the sensor wiring or sensor, DTC C1145, C1155, C1165 or C1175 will be set. The ABS module sends battery voltage to the wheel speed sensors and their circuitry. Wheel speed sensor DTCs will automatically clear when a successful test drive is carried out. A successful test drive should include speeds above 32 km/h (20 mph) and at least one ABS stop.

Possible Causes

Connector water intrusion
Circuit open
Circuit shorted
Wheel speed sensor tone ring
Wheel speed sensors
ABS module