Pinpoint Test A : The Powertrain Control Module (Pcm) Does Not Respond To The Diagnostic Scan Tool: Notes
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. 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 - 6.8L for schematic and connector information.
Refer to Electronic Engine Controls - 6.2L for schematic and connector information.
Refer to Electronic Engine Controls - 6.7L Diesel for schematic and connector information.
Normal Operation and Fault Conditions
The PCM communicates with the diagnostic scan tool through the HS-CAN1. An IDS session cannot be established if the PCM communication fails when attempting to identify the vehicle.
Possible Sources
- Fuse
- Wiring, terminals and connectors
- PCM