Normal Operation and Fault Conditions
WARNING: This page is about a different car, the 2017 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
With the ignition ON, the FCIM 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 module sets DTCs. For information on the messages sent to the ABS module by the FCIM, refer to the DESCRIPTION AND OPERATION .
PPT AS ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0256:00 | Lost Communication With Front Controls Interface Module 'A' | Sets in continuous memory and on-demand when the ABS module is missing any of the FCIM messages. This can be due to a FCIM failure, a circuit failure on the HS-CAN or an excessive load on the network. |