2012 GMC YUKON Complaints

The contact owns a 2012 GMC Yukon. The contact stated that the radiator and the water pump were previously replaced due to an overheating failure. The contact stated that while driving at various speeds, the engine made a knocking sound. No warning light was illuminated. The vehicle was taken to AutoZone, where it was diagnosed with engine lifter failure. The contact replaced the spark plugs on several occasions; however, the failure persisted, and oil contamination was found on the spark plugs. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 175,000.

The contact owns a 2012 GMC Yukon. The contact stated that years ago, the engine was replaced with a rebuilt engine. Recently, after starting the vehicle, there was an abnormal banging sound coming from the engine. The banging sound continued, and the vehicle shut off without warning. Due to the failure, the vehicle was towed to an independent mechanic, and it was discovered that an engine bearing had failed, and the vehicle was diagnosed with engine failure. Neither the dealer nor the manufacturer was notified of the failure. The vehicle was not repaired. The failure mileage was approximately 47,000.

Driving on loop 20 overpass on Hwy 59 in Laredo Texas suddenly the engine lost power and started to skip and miss fire while a loud tapping noise was generated, due to the loss of power and skipping, alarms showed in the main console requiring immediate service to the engine, traction and braking sys, the lack of engine power place me in a very critical and unsafe situation wherein I was about to be rear collision by the vehicle behind me. This event happened on October 17th, 2025 . I brought the vehicle to Powell Watson Motors who is the GMC dealership in Laredo Texas for inspection but they refused to accept the vehicle due to the age of the vehicle. I feel this safety issue must me corrected and resolved in order to avoid accidents and deaths.

Yesterday while unloading the rear of our 2021 GMC Yukon Denali the tailgate came down on me without warning and with force. I googled to see what might have caused this to happen and it stated that the struts might be worn out. (I am having that checked out today) Fortunately, I am a 6 foot 220 pound man and was not hurt but just the day before my 14 year old, 100 pound grand daughter was taking things things out of the rear of the vehicle. If the rear door would have come down on her it would have been a lot worse

Dashboard cracked, afraid that if airbag deploys shards of dashboard will come flying at both driver and passenger. It started as a little crack, than expanded across the entire dashboard

The problem started a couple of years ago as a small crack in the dashboard at the upper left corner of the airbag. The crack widened and lengthened after replacement of the air bag last year. Then the dash cracked earlier this year at the crown above the instrument cluster. It has completely separated and is nearly 12” in length. Not only does it rattle to the point of driver distraction, but I would think there is a high risk of shattering during a collision potentially causing facial lacerations, blindness and the like. I really don’t want to wait to find out. According to [XXX] , this is a well known issue with GM trucks, Suburbans and Yukons from 2007 to 2014 and GM has failed to make good on the problem. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The contact owns a 2012 GMC Yukon XL. The contact stated that while in a parking lot, the contact attempted to shift the vehicle into drive however, the transmission failed to shift into gear. The contact stated that the gear shifter cable had detached. There were no warning lights illuminated. The contact called the dealer and was informed that the vehicle needed to be diagnosed. The vehicle was not diagnosed or repaired. The manufacturer was notified of the issue and referred the contact to the dealer for diagnostic testing. The failure mileage was approximately 248,000.

The contact's son owned a 2012 GMC Yukon. The contact received notification of NHTSA Campaign Number: 21V051000 (Air Bags) and requested to be removed from the recall distribution list as her son no longer owns the vehicle. The local dealer and manufacturer were contacted.

Dash panel cracked via design defect. Damage has spread and poses a safety risk if airbags are deployed.

I HAVE A 2012 GMC YUKON DENALI XL THAT STARTED HAVING TRANSMISSION "6L80" ISSUES AT 120,000 MILES.(03/20/2019) BEAMAN GMC STATED THE TRANSMISSION WAS OUT AND NEEDED TO BE REPLACED. OF COURSE JUST OUT OF WARRANTY. SO ON I SPENT $6031.19 TO HAVE IT REPLACED/REBUILT, NOW 80,000 MILES LATER ON 3/24/2023 I JUST HAD TO HAVE IT REPLACED/REBUILT AGAIN FOR THE SAME PROBLEM, THIS TIME TO THE TUNE OF $9454.00. I DECIDED TO DO SOME INVESTIGATIVE WORK AND FOUND THAT THERE IS A SERVICE BULLETIN ABOUT THIS TRANSMISSION THAT WAS DATED NOVEMBER OF 2022. BULLETIN # 16-NA-338 FOR A TRANSMISSION ASSEMBLY REPLACEMENT. ALSO ANOTHER BULLETIN (PL0773)DATED JULY 2012 AND ONE DATED FEBRUARY 2012 BULLETIN PI0488A. I CAN EMAIL YOU COPIES OF THESE IF YOU WOULD LIKE. THERE WAS ALSO A PRELIMINARY REPORT/BULLETIN PUT OUT JUNE 6TH, 2020 BULLETIN # PIP5175D WITH ALL OF THESE BULLETINS THERE SHOULD HAVE BEEN A RECALL. REBUILDING WHAT THEY ARE ALREADY ARE HAVING ISSUES WITH IS INSANE. PLEASE CONSIDER HELPING ME WITH THIS. I FEEL LIKE THERE ARE ALOT OF OTHER PEOPLE DEALING WITH THE SAME THING AND JUST HAVEN'T DONE THEIR RESEARCH.