2023 GMC YUKON Complaints

On Friday 2/21/25, while driving on the Interstate at Highway speeds, the dashboard said to idle the engine. The engine then stalled and thankfully I had enough speed and there was a shoulder available to pull off on. The dashboard then gave many messages including voltage, overheating, high oil temperature, idle engine, etc... I was unable to restart the vehicle on the side of the interstate. I was towed to the dealer who advised the engine would have to be replaced. This vehicle has a 6.2L gas engine with 39,223 (approx) miles.

The engine lost power then suddenly stopped running while driving on an interstate.

I was driving home from work at around 60 mph. Very sunddly their was a rattling metal sounds and then vehicle struggled to maintain speed. Before pulling off the highway at the next exit. On the exit ramp the engine turned off and would not turn back on. The vehicle was also stuck in neutral and not able to shift out of neutral for towing. There was no worning lamps or messages even after the noise and reduced power. Vehicle was towed to local dealership on Tuesday evening, as this was not scheduled it took them to diagnosis the issue as engine failure and recommending to replace the engine. The vehicle is a 6.2L GMC Yukon Denali with 23k miles. All service has been done at the dealer with no outstanding work prior to the engine failure. Where it gets more disappointing is the lack of information for time to fix. The replacement engine was ordered by the dealer on February 14th. As of February 28th they did not have any information....So i called GMC on that 1800 number listed on GM Document DCS6866 referencing customer satisfaction program N232413430. The first agent disconnected without filing a case. The second agent had to restart the process and was told that there was nothing they would do for 14 days after the case was opened before it would be elevated. When talking to the agent they denied any information related to the GM Customer Satisfaction Program or any knowledge of what seems to be a wide spread defect on 6.2L engines. The service and support for a $90k vehicle from, in fairness they have provided access to rental vehicle from a local auto shop. The vehicle is far smaller and different from our vehicle we purchased. The vehicle is still sitting at the dealership service center and is not functional until the engine is repalced.

The contact owns a 2023 GMC Yukon. The contact stated that while driving 70 MPH, the vehicle independently shifted into neutral and stalled in the middle of the highway. An unknown message was displayed. In addition, after restarting the vehicle, the accelerator pedal was depressed but the vehicle failed to accelerate as intended. The contact stated that the transmission then shifted into neutral(N) independently after driving for several miles. The contact stated that the vehicle would not crank and was towed to a local dealer. The contact stated that the vehicle failed to shift into neutral and was towed while in park(P). The vehicle was diagnosed and determined that the engine needed to be replaced. The vehicle was not repaired and remained at the local dealer for further investigation. The contact related the failure to GM investigation: PE25001. The manufacturer was made aware of the failure. The failure mileage was approximately 20,549.

Upon acceleration the engine began to sputter with a clanking noise. After turning around to pull back into my drive way the engine began to work properly. I had the vehicle towed to Master GMC Augusta,GA. After the car was at the dealership for several days, I was told the issues could not be duplicated and there were no error codes. While returning home from the dealership the car began to sputter and decelerate at this time multiple lights flashed on and off on the dash including the check engine light. As I pulled to the side of the interstate the car once again corrected itself and all lights went out. I reached out to the dealership again. The car was returned to Master GMC again. This time I was notified the engine had failed due to metal shards in the engine. Since this vehicle had only 4988 miles at the time, and I had a 2021 Suburban prior with lifter failures, I was hesitate to keep this vehicle. I did trade the 2023 Yukon XL Denali at the time of engine failure.

Vehicle is on its second engine. Shut down unexpectedly in middle of the road, with my three young children inside.

Engine failed during trip on interstate without warning after 23k miles. Car went into neutral and we were without power. We coasted to side of road and had to be towed. Dealership has ordered new engine which will be covered under warranty. There were no warning lights before, during or after the incident — no check engine light. The only indicator is that car started making a rattling noise from the engine a few seconds before we lost power.

While we were driving at a high speed all control of the vehicle shut down. There was absolutely no warning that this was going to happen to that anything in the vehicle was breaking down. We were able to get to the side of the road and the vehicle locked into N. From that point on the car did not work. After being looked at my GMC, they decided that it needs a new engine. It only has under 15K miles. We were told that some somehow pieces of metal were in the engine. Engines are currently on a national backorder and we have been without our vehicle for over 4 weeks. They have no expected date that this will be fixed.

1. My engine failed at 10,000 miles, seized up completely. 2. Safety was a HUGE risk factor as the engine went out while driving 65 mph in a dangerous canyon highway, which made me lose control of being able to drive the vehicle to safety as I was needing to coast to the top of a hill and then coast down to even find a safe spot to pullover. My safety was also at risk because it then left me stranded in a canyon with no cell service where I was (and I couldn't even connect via OnStar because of the area I was stuck in), leaving me stranded for over 3 hours in 100 degree weather with no place to hide from the heat in the middle of summer. I also had my [XXX] with me and thank God we made it out of that situation alive. And thank goodness for bystanders I don't know what I would've done without them. 3. Yes, an engine replacement was made via warranty, but the new engine still make clunky/grindy sounds and even after having that looked at, I was turned away because apparently there were no performance issues but I still feel like I cannot rely on the vehicle especially driving longer distances. 4. Yes. see comment for #3. 5. NO warnings AT ALL were ever on my dash regarding my engine going out. There was never a check engine light prior to the engine seizing, nothing. So how was I supposed to know my engine was going to give out on me at only 10,000 miles? Regular maintenance was kept up to date. It just went out randomly with no warning. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Driving at highway speeds at night when engine sputtered, vehicle shifted itself into neutral and shut engine down. Slight difficulty steering for 1/4 of a mile with traffic continuing to pass at full highway speeds but was able to coast to a side road. No warnings of failure or check engine lights prior to event. Had just stopped for gas continued on trip and cruising about 77mph and hear a few noises as if vehicle ran our of gas and dash lit up letting me know it was shutting down, then shifted to neutral. Now dealing with GM travel interruption team and being told that it is engine failure due to faulty lifter/rod/bearing issue with no timeline as to when an engine replacement will be available. It has been inspected and confirmed by GMC service department in San Angelo TX