Consumer Safety Complaints

Incident date: Dec 27, 2023

Visibility / Defogging / Defrosting issues are main safety concerns. Every winter for the last 3 years, the heater fails and blows only cold air. This is intermittent throughout the year, but recurring. With cold-weather driving conditions, it creates an unsafe driving experience when windshield and windows can't defog or defrost properly. The problem has been reported several times to the dea... Read more

Incident date: Dec 27, 2023

Visibility / Defogging / Defrosting issues are main safety concerns. Every winter for the last 3 years, the heater fails and blows only cold air. This is intermittent throughout the year, but recurring. With cold-weather driving conditions, it creates an unsafe driving experience when windshield and windows can't defog or defrost properly. The problem has been reported several times to the dea... Read more

Incident date: Dec 1, 2024

I purchased my 2020 Yukon Denali on July 8, 2024 from Classic Buick GMC in Painesville, Ohio. The check engine light started going on and off a few months after purchasing the vehicle. When I called a mechanic he stated that I should wait until the light is on and then bring in the vehicle. In early May 2025, I took my vehicle to Mike’s Automotive in Middlefield, Ohio after the check engin... Read more

Incident date: Jan 27, 2026

The engine has started using large quantities of oil. Not dripping oil, burning oil. I have been doing oil consumption studies with GMC for months now. It burned 7 quarts in 5,000 miles. The dealership tells me it is not part of the current recall on others with the same engine, make and model. It is doing the same thing as what the recall is for and my VIN number should be added to GMC’s recall... Read more

Incident date: Sep 17, 2025

Seat is squeaking loudly like if its loose or something is loose with it dealership and gm dont want to fix it they expect me to pay to fix something that ahouldnt even be happening on a 2 year old vehicle specially when you pay more than 70,000 dollars for a vehicle to be having this issue

Incident date: Jan 26, 2026

Front grill cap blew off while driving.

Incident date: Jan 11, 2026

The contact owns a 2022 GMC Yukon XL. The contact received notification of NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling). The contact stated that while driving approximately 75 MPH, the oil warning light illuminated, and after 15 seconds, the vehicle lost motive power and stalled. There was smoke coming from the engine compartment. The contact pulled over to the side of the road; ho... Read more

Incident date: Jan 23, 2026

2023 GMC SIERRA DENALI ULTIMATE 1500 WITH 6.2 V8 AT HIGHWAY SPEEDS 65 MPH THE CAR LOST PROPULSION AND SAID IT WAS IN NEUTRAL. CAR WOULDN'T SHIFT BACK INTO DRIVE. BARELY MADE IT OFF THE HIGHWAY WITHOUT AN ACCIDENT. CAR WOULDN'T RESTART. CAR BROUGHT TO DEALERSHIP AND WAS TOLD IT NEEDS A NEW ENGINE AND I WOULD BE WITHOUT MY TRUCK FOR A MONTH. CAR CURRENTLY HAS 20,200 MILES ON IT. PLUS NO LOA... Read more

Incident date: Jan 15, 2026

On January 15, 2026, my wife was driving our 2019 GMC 1500 Sierra Denali and the lights on the dash came on with the truck losing power. I made to my wife later in the day and was able to drive the truck to the dealership only achieving 15mph for about 5 miles. The Mike Bell Chevrolet Dealership in Carrolton GA stated that my engine was knocking and needed to be replaced. I took my truck the John ... Read more

Incident date: Nov 16, 2025

On November 16, while driving on the highway, my GMC vehicle suddenly lost engine power without warning. I was forced to stop in traffic, creating a dangerous situation and putting my life at risk. The vehicle required towing and has remained at the dealership since that date. The dealership determined that the engine requires replacement. Repairs have been significantly delayed, including an inco... Read more

Incident date: Nov 16, 2025

On November 16, while driving on the highway, my GMC vehicle suddenly lost engine power without warning. I was forced to stop in traffic, creating a dangerous situation and putting my life at risk. The vehicle required towing and has remained at the dealership since that date. The dealership determined that the engine requires replacement. Repairs have been significantly delayed, including an inco... Read more

Incident date: Oct 28, 2024

This vehicle shudders and vibrates during shifting and acceleration at different speeds. Transmission shifts out of gear quite often leaving me stranded at times trying to make it safely out of traffic.

Incident date: Oct 28, 2024

This vehicle shudders and vibrates during shifting and acceleration at different speeds. Transmission shifts out of gear quite often leaving me stranded at times trying to make it safely out of traffic.

Incident date: Oct 28, 2024

This vehicle shudders and vibrates during shifting and acceleration at different speeds. Transmission shifts out of gear quite often leaving me stranded at times trying to make it safely out of traffic.

Incident date: Jan 27, 2026

While driving the vehicle I hit a bump on the road and all 4 windows in the vehicle went down. I did not push any buttons. I tried to close the windows and they would not close. Nothing happened when I attempted to close them. It was 10 degrees out I pulled over, and tried again with out success. I shut the car off, opened the door and closed it and restarted the car after a few minutes. I was ab... Read more

Incident date: Jan 10, 2026

I was driving on the Oklahoma turnpike @ 75mph when the engine locked up in traffic. I coasted to the side of the road and called roadside assistance. The truck is currently at Vance GMC in Miami, OK getting the engine replaced.

Incident date: Dec 22, 2025

Engine Failed 1400 miles from home on 6.2L Engine - Days after getting L87 Engine Loss of Propulsion Recall Service. Recall Service Completed on 12/1/2025 - Cap and Oil Change done - Full Engine Failure on 12/22/2025. 12/1/2025 - L87 Engine Recall Service Done at GMC Dealership - Quincy IL 12/16/2025- Check Engine Light came on - went to same Dealership - Cleared it told me I was fine to drive ... Read more

Incident date: Dec 22, 2025

Engine Failed 1400 miles from home on 6.2L Engine - Days after getting L87 Engine Loss of Propulsion Recall Service. Recall Service Completed on 12/1/2025 - Cap and Oil Change done - Full Engine Failure on 12/22/2025. 12/1/2025 - L87 Engine Recall Service Done at GMC Dealership - Quincy IL 12/16/2025- Check Engine Light came on - went to same Dealership - Cleared it told me I was fine to drive ... Read more

Incident date: Dec 22, 2025

Engine Failed 1400 miles from home on 6.2L Engine - Days after getting L87 Engine Loss of Propulsion Recall Service. Recall Service Completed on 12/1/2025 - Cap and Oil Change done - Full Engine Failure on 12/22/2025. 12/1/2025 - L87 Engine Recall Service Done at GMC Dealership - Quincy IL 12/16/2025- Check Engine Light came on - went to same Dealership - Cleared it told me I was fine to drive ... Read more

Incident date: Jan 22, 2026

Total engine failure at highway speed with loss of propulsion . Catastrophic engine loss with 3,000 miles . GMC never fixed the problem with the 6.2 l87 like they said

Incident date: Jul 14, 2022

I noticed a sticker in driver door stating recall however no evidence. The vehicle will not pull hills, back up on a hill and will not accelerate over 25 miles per minute. Dangerous to drive on roads. Took vehicle to a GMC dealer for diagnostic test, received the report for what the report found. Took the report to auto shop to get repaired however the vehicle still continues with same issue. Took... Read more

Incident date: Jul 14, 2022

I noticed a sticker in driver door stating recall however no evidence. The vehicle will not pull hills, back up on a hill and will not accelerate over 25 miles per minute. Dangerous to drive on roads. Took vehicle to a GMC dealer for diagnostic test, received the report for what the report found. Took the report to auto shop to get repaired however the vehicle still continues with same issue. Took... Read more

Incident date: Jul 14, 2022

I noticed a sticker in driver door stating recall however no evidence. The vehicle will not pull hills, back up on a hill and will not accelerate over 25 miles per minute. Dangerous to drive on roads. Took vehicle to a GMC dealer for diagnostic test, received the report for what the report found. Took the report to auto shop to get repaired however the vehicle still continues with same issue. Took... Read more

Incident date: Jan 7, 2026

Post recall L87 I had a catasrophic engine failure. 70 mph highway engine seized lost propulsion. 38000 miles. No warning, Engine has been replaced by GM

Incident date: Jan 20, 2026

To Whom It May Concern, This letter is submitted to report a safety-related defect involving an airbag sensor failure on a 2022 GMC Canyon. The vehicle experienced a failure of an airbag sensor that is part of the Supplemental Restraint System (SRS). The sensor is required for proper airbag deployment and system readiness. Failure of this component compromises the operation of the airbag system ... Read more

Incident date: Aug 10, 2023

Odometer Fraud. The contact purchased a 2015 GMC Sierra 2500. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 189,458 and the contact stated he discovered on Carfax that mileage was 188,052; however, the contact discovered that the mileage was 11... Read more

Incident date: Jan 26, 2026

The engine light came on while driving, saying “engine power reduced”. It barely accelerates, RPMs go over 5, it chugs when driving. Taken to an independent service center.

Incident date: Jan 26, 2026

The engine light came on while driving, saying “engine power reduced”. It barely accelerates, RPMs go over 5, it chugs when driving. Taken to an independent service center.

Incident date: Jan 26, 2026

The engine light came on while driving, saying “engine power reduced”. It barely accelerates, RPMs go over 5, it chugs when driving. Taken to an independent service center.

Incident date: Nov 23, 2025

The infotainment and instrumentation cluster will reboot while driving. This has happened multiple times while on the express way and while using super cruise. When the event happens the infotainment and instrument cluster will turn black for multiple minutes rebooting. At times they do not successfully reboot and forces the vehicle to pull over stop and force a system reset.

Incident date: Dec 2, 2025

Transmission appears to be lunging and shuttering. Dealer has indicated that the valve body need to be replaced or the vehicle could leave me stranded or without propulsion while driving. From my research this appears to be related to other safety recall and service campaigns for this type of vehicle and the transmission that I have in my vehicle. Also the camera system doesn't work correctly as i... Read more

Incident date: Dec 2, 2025

Transmission appears to be lunging and shuttering. Dealer has indicated that the valve body need to be replaced or the vehicle could leave me stranded or without propulsion while driving. From my research this appears to be related to other safety recall and service campaigns for this type of vehicle and the transmission that I have in my vehicle. Also the camera system doesn't work correctly as i... Read more

Incident date: Sep 26, 2023

The contact owns a 2017 GMC Terrain. The contact stated that the vehicle failed to start. The vehicle was towed to an independent mechanic, where it was diagnosed with engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The vehicle was towed to the dealer, where the engine diagnostic result was confirmed. The vehicle was not repaired due to... Read more

Incident date: Aug 10, 2023

I have went to a dealership to try and trade this vehicle in and they have informed me that this vehicles odometer has been rolled back prior to me purchasing it. It was not disclosed to me from Bob Rorhman Hyandia that this had happened.

Incident date: Dec 30, 2025

NHTSA Team, I am the current owner of a 2021 GMC Yukon Denali (VIN: [XXX] ) with the 6.2L L87 V8. At approximately 148,239 miles, I experienced a catastrophic lifter failure. My mechanic diagnosed a failed AFM lifter and metal contamination, requiring full engine replacement. This is documented under GM Case #XXX. CARFAX revealed that prior to my ownership, lifters were replaced twice (~10,469 m... Read more

Incident date: Jan 3, 2026

Gear slippage, loss of power

Incident date: Jan 19, 2026

Upon starting the vehicle, I got multiple warning lights. The most important was brake failure. I had no brake function. I took it to the dealer and they replaced the brake module after 3 days.

Incident date: Jan 5, 2026

the Engine started running rough and the engine light came on. The dealer told my wife to drive there in limp mode (~15 miles), she did so on back roads. The diagnostics said that cylinder 7 was not firing and teh fuel injector control circuit was bad. they had to replace the Engine Control Unit.

Incident date: Dec 31, 1969

I am writing to formally file a safety complaint regarding the ongoing recall of the GMC/Chevrolet 6.2-liter V8 engine and what I believe to be an inadequate and insufficient remedy being provided to vehicle owners. I purchased a brand-new 2023 GMC Sierra AT4 equipped with the 6.2-liter engine. I drive approximately 6,000 miles per year and maintain the vehicle carefully. After receiving the reca... Read more

Incident date: Jan 22, 2026

My vehicle stop running as I approached a traffic signal and failed to restart, it happened at a heavy traffic intersection during morning commute,I had the vehicle towed to Dealership that same day (01-22-2026). Later that evening the dealership called to inform me that the motor was blown and had ordered a new one.the mileage is approximately 39,285.

Incident date: Jan 18, 2026

While traveling 60 mph on a divided highway went to pass another vehicle. Had no throttle response the engine had completely turned off, locked up seized up. I’m not sure what caused the engine to just lose all power. Had to go back to the lane and luckily there was a turnoff where I was able to turn off the highway.

Incident date: Jan 18, 2026

While traveling 60 mph on a divided highway went to pass another vehicle. Had no throttle response the engine had completely turned off, locked up seized up. I’m not sure what caused the engine to just lose all power. Had to go back to the lane and luckily there was a turnoff where I was able to turn off the highway.

Incident date: Jan 18, 2026

While traveling 60 mph on a divided highway went to pass another vehicle. Had no throttle response the engine had completely turned off, locked up seized up. I’m not sure what caused the engine to just lose all power. Had to go back to the lane and luckily there was a turnoff where I was able to turn off the highway.

Incident date: Jun 12, 2025

My 6.2 engine locked up and left me stranded. Had it replaced with s new engine on 10/31/2025 and I'm having problems again with it. As well as my 10 speed transmission slipping and hunting for gears

Incident date: Jan 25, 2026

I was driving on the highway (using cruise control) when the front bumper grill started vibrating (so I tried to slow down) but it kept flapping and flew off before I was able to pull over. I then pulled over on the shoulder and had to walk back to retrieve it. My safety was put at risk because it could have hit my windshield and caused me to have an accident, or, it could have hit someone or anot... Read more

Incident date: Jan 2, 2026

Tailgate is randomly dropping while driving without any tailgate drop buttons being pushed. It’s is starting to occur more frequently.

Incident date: Jan 21, 2026

Driving after dark on a main street in St George Utah, the engine suddenly surged and then revved down. It felt like someone jamming it into 4WD. Traffic was tailgating me, and I was nearly hit. I could not pull completely out of the right lane. I put on hazard lights. Check engine light came on, and TCS light came on. I decided to get out of traffic & crawled forward about 30 yards into a S... Read more

Incident date: Jan 25, 2026

I have a 2024 GMC Denali that had an engine service appointment in September 2025 for the engine recall where they did an oil change & put in performance grade oil & scoped my engine. Rochester Serra GMC said they sent all the engine pictures to GM and my engine was okay according to them. After that appointment in November my engine light went on and my Denali was leaking oil in my driveway. W... Read more

Incident date: Jan 25, 2026

I have a 2024 GMC Denali that had an engine service appointment in September 2025 for the engine recall where they did an oil change & put in performance grade oil & scoped my engine. Rochester Serra GMC said they sent all the engine pictures to GM and my engine was okay according to them. After that appointment in November my engine light went on and my Denali was leaking oil in my driveway. W... Read more

Incident date: Sep 12, 2025

This malfunction is ongoing and the dealership cannot fix the problem. The first time it happened in September 2025. I was driving down the road and the gauges started to go crazy. The screen on the dash said reduced acceleration. Then it said Service ESC. Then it said Service Traction Control. It would not let me go over 40 mph. I took it to the dealership and they told me I needed a valve body r... Read more