Yes, happened to me a couple of months ago. I got a recall notice in the mail but it didn't say what for. I tried on mygmlink and it wouldn't work. I finally called the dealership to find out it was a PCM upgrade for E-85 fuel tables. I don't run E-85 so I don't care...
"I'm proud of what I have, I'm proud of America, we're the greatest country on earth and we need to stop blaming America for all the world's problems..." - Joe the Plumber