That’s MY20 hardware, you can’t reformat MY20 hardware as warned in many places and in Syn3updater as well. You answered “not MY20” to the question about MY20 hardware Syn3updater asks. If you let Syn3updater check the APIM, it would had flagged it as MY20 thus preventing a reformat.
So the USB you created killed the unit, it’s dead, bricked.
You have these options:
- recovering it with GitHub - bigunclemax/sync3flash: Ford Sync 3 reformat flash tool (requires knowledge and specialized hardware)
- paying someone else to recover it
- replacing the APIM. If you go down this road, save your current as-built for later use on the new unit