Got truck out of shop at end of November 2024, after getting the 2nd engine put in in a months period. A few days after getting it back it started saying shift to park after truck was already off. It would take a good 5/10 minutes for the truck to fully shut off after I turned it off everything would stay lit up. So last week out of town went to get in truck wouldn’t start, drained battery. Battery was 6 months old. Said it was drained bc it’s not been shutting off compliantly. They need to fix their sh*t!!!

When trying to shut my 2022 GMC Sierra 1500 Limited Denali off, the "Shift to Park" code illuminates on the dash and at times it will go out on its own. Other times I have to restart the truck and shift through all the gears. Other times I have to drive it and then retry. There is no definite fix and when I called the dealership, they wanted well over $1000.00 to fix! The truck currently has only 26,000 mikes but the bumper to bumper warranty expired a few months ago. Of course the issue started after it expired!

Now I either pay for the repair myself, get an extended warranty to get it fixed or wait until a class action lawsuit is issued where then, GMC foots the bill... I had never heard of this issue before but GMC has as it effects numerous other mid sized models and all you have to do is google search "Shift to Park" and there are. numerous complaints! Had I known about this issue, I would never have bought this truck... new... I ordered it new! and now I'm screwed?!!!

Update from Apr 3, 2025 I forgot to mention. when the truck illuminates the Shift to Park message, all electrical components in the truck stay on and will/would drain the battery if not taken care of. One option would be to disconnect the battery ground in the case I can't get it to turn off... Is this why I bought a brand new truck??? I should have kept my Dodge Ram... I never had any issues with it other than the high mileage... which is why I decided to by a "nice new" truck!