Ford IDS licence is a twelve month licence paid upfront allowing access to Ford diagnostic network. This give the ability to update software, add keys, adaptation like EGR or injector when parts are replaced. This will not allow full security related re-programming without a product key/token ...
You are probably right, but since they have made three releases of this specific uC, they had plenty of time to update the description/datasheet. At this point, it is not a bug, it is a feature mr green: Anyway, lesson learned -check the errata before starting the schematics and don...