complaints.title

The truck side toy down shift and the accelerator was very high…. When I was going to park the reverse was not shifting…

The lifters on my 2023 GMC Sierra failed and damaged my engine. The truck has approx 78,000 miles. I do have an extended warranty to 100,000 miles. I got the truck to my GMC Dealer who confirmed the…

Upon accelerating on the freeway, rear wheels locked up completely almost causing me to hit multiple vehicles. Was repeatable and was able to record the event. Manufacturer claims unable to reproduc…

Driving down the interstate and the front trim bezel on the hood flew off. The plastic clips broke from underneath. GM had a recall on this same issue in 2022 but not 2023 yet. Could of had an accide…

This vehicle has experienced repeated catastrophic engine and drivability failures since purchase and has now undergone four engine replacements under warranty. Despite these major repairs, the vehicl…

The transmission control module failed. The dealer said a I a high voltage alarm signal code. This was the diagnostic inform received from the dealership service department. Primary]: MDIAG : MISC. V…

On May 13. 2026 traveling southbound on I15 Utah at 75 MPH the engine Stop and put the tranmisson in N and I move the truck to a stop. then the Truck shut Down. I had the Truck tow to the nearest GMC…

catastrophic internal engine failure on my 6.2L engine. Several times vehicle was to Gm Gunn Buick GMC regarding power loss knocking noises. Received the run around that vehicle past all their initial…

I have had an incident where my 2023 gmc 3500 hd was had left me stranded earler this week. i towed the new truck to a certified dealer and i haven't heard anything since then. they mentioned my trans…

Driving on the highway and the top section of the grill (approx 4" x 50") broke loose and went over the cab of the truck. The piece didn't hit my truck or any other vehicle, but the driver behind me …

Digital Dash cluster lost all communication and only has backlight, no speed, fuel gauges, anything what so ever. Can become extremely dangerous if driving down the road without the knowing of speed a…

I was driving down the interstate and the hood valance blew off and hit my windshield

The contact owns a 2023 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed on several occasions, the pedestrian warning alert unexpectedly illuminated. The contact stated t…

I was driving at 65mph through a construction zone on my local freeway - through a construction zone. With cruise control on, my upper bezel portion of my grill detached. It slammed into my windshield…

I took my truck in for routine maintenance. When i got it back and turn the truck on, the instrument cluster was completely black. I couldn't get it to turn on. I went back into the dealer and informe…

I brought this truck brand new. Had issues the first couple days of purchase that was a quick fix, but as time went on things got worse. Truck always stalling out, engine has been replaced once alread…

Engine sudden loss of power. Wheels locked up and I skidded off the road.

The grille deflector flew off while driving. The same exact problem the 2022 sierra had as described in N242490120

On March 13, 2026 I purchased a 2023 GMC Sierra AT4 Pickup with 3.0 Diesel Engine. While driving on a state highway in a 35 mph zone I started to accelerate as the speed zone changed. The truck sudden…

Was driving down interstate and the top of my grill came off and smacked my windshield. Also, my tailgate opens on its own but the grill is the main safety issue. I have seen where they already have r…