Forum Discussion
MyGMC app not updating mileage, fuel etc
I’ve got a green Onstar light, checked truck for updates, says it’s up to date, and have rebooted iPhone and deleted/reinstalled app. No change. 2025 Sierra 1500 SLT diesel
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The app isn’t updating can be days or weeks, it tells me to drive at least 2 min I’ve drove for 1 hr and still no refresh update.