Just got my 2020 denali duramax a few months ago, 8k miles on it so far. I pay 25 dollars a month for the unlimited data plan, but my data is not working. The truck is broadcasting it's hot spot. and I can connect to it's hot spot from my phone, and it works just fine. But with any data going through the actual dashboard of the truck itself, it doesn't work. Apps won't download, spotify doesn't work, I cant even see the anything in the "manage plans" under the mygmc app. This just started all of a sudden out of nowhere a few nights ago at about midnight.
I've talked to onstar about it and have tried doing factory reset on the dashboard, and a few other things they had me try. The said they will have to escalate it to tier 2 offline software support and I would hear something back within 5 business days. Kind of frustrating because the legit only reason I bought the 25 dollar unlimited data was to listen to spotify through my truck and not use my phone's data. So I'm kind of paying everyday for the unlimited data for nothing.
Has anyone heard of this or have any ideas what's going on? Or ideas of things to try? I can connect to a different wifi hot spot with my truck such as my home wifi and everything works great when I'm on that.