Normal Operation and Fault Conditions
WARNING: This page is about a different car, the 2017 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
With the ignition ON, the AWD module sends messages to the ABS module through the GWM over the HS-CAN 2. If the ABS module does not receive these messages within a certain time frame (usually less than 1 second), the ABS module sets a DTCs. For information on the messages sent to the ABS module by the AWD module, refer to the Description and Operation in ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL (EXCEPT HYBRID) .