Fuel 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 check fuel fill inlet message to warn the driver there is a problem with the fuel fill inlet pipe resulting from a significant evaporative emission leak following vehicle refueling.
The IPC receives the check fuel fill inlet message request from the GWM over the HS-CAN3. The GWM receives the check fuel fill inlet message request from the PCM over the HS-CAN1.