Steering System
WARNING: This page is about a different car, the 2019 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 HS-CAN3.
The GWM receives the EPAS failure message from the PSCM over the HS-CAN2.
The GWM receives the steering wheel lock message request from the BCM over the HS-CAN1.