Steering System Message Displays
WARNING: This page is about a different car, the 2015 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
The IPC provides a message center message to indicate there is an EPAS system concern. When a fault exists in the EPAS, the PSCM sends a request to the IPC through the GWM. The IPC provides a message center message to indicate a fault in the steering wheel locking system.
The IPC receives the EPAS failure message and the steering wheel lock message request through the GWM over the High Speed Controller Area Network 3 (HS3-CAN).
The GWM receives the EPAS failure message from the PSCM over the High Speed Controller Area Network 2 (HS2-CAN).
The GWM receives the steering wheel lock message request from the BCM over the High Speed Controller Area Network 1 (HS1-CAN).