Steering System Message Displays

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.