First and foremost, a huge public THANK YOU to Jesse for helping behind the scenes all day. He is the man.
As it turns out, I had 3 modules to update, and all 3 showed the same error. All 3 are updated via USB. The other modules I updated were done purely in FDRS.
SO, Jesse provided all 3...
Joined to pile on to this. I'm in a F350, but same error -- a few folks on the tremor forum reporting the same thing.
I successfully updated other modules, but the GWM fails as above. Using FDRS with the Mongoose cable, all the updates are on. Interested to see if any resolution presents, or...