PINPOINT TEST A : The PCM Does Not Respond To The Diagnostic Scan Tool: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Module Communications Network for schematic and connector information.
Refer to Electronic Engine Controls - 3.5L GTDI for schematic and connector information.
Normal Operation
The PCM communicates with the diagnostic scan tool through the HS-CAN. An IDS session cannot be established if the PCM communication fails when attempting to identify the vehicle.