Consumer Safety Complaints

Incident date: Sep 5, 2025

I purchased my 2024 GMC Sierra 1500 on July 4, 2024. Shortly after purchase, the vehicle began experiencing recurring electrical and electronic malfunctions affecting multiple safety and driver-assistance systems. These issues include power mirrors not consistently folding when the vehicle is locked, the digital speed (MPH) intermittently not displaying on the dashboard, driver seat memory not al... Read more

Incident date: Sep 5, 2025

I purchased my 2024 GMC Sierra 1500 on July 4, 2024. Shortly after purchase, the vehicle began experiencing recurring electrical and electronic malfunctions affecting multiple safety and driver-assistance systems. These issues include power mirrors not consistently folding when the vehicle is locked, the digital speed (MPH) intermittently not displaying on the dashboard, driver seat memory not al... Read more

Incident date: Sep 5, 2025

I purchased my 2024 GMC Sierra 1500 on July 4, 2024. Shortly after purchase, the vehicle began experiencing recurring electrical and electronic malfunctions affecting multiple safety and driver-assistance systems. These issues include power mirrors not consistently folding when the vehicle is locked, the digital speed (MPH) intermittently not displaying on the dashboard, driver seat memory not al... Read more

Incident date: Dec 23, 2025

I was driving up the road truck cranked up fine started a morning commute, on cruise control the truck instantly out of nowhere lost power completely with no signs of anything and engine won’t attempt to turn over now. I fear the worst has happened which would be catastrophic internal failure for to a faulty engine & its internals.

Incident date: Dec 23, 2025

I was driving up the road truck cranked up fine started a morning commute, on cruise control the truck instantly out of nowhere lost power completely with no signs of anything and engine won’t attempt to turn over now. I fear the worst has happened which would be catastrophic internal failure for to a faulty engine & its internals.

Incident date: Dec 23, 2025

I was driving up the road truck cranked up fine started a morning commute, on cruise control the truck instantly out of nowhere lost power completely with no signs of anything and engine won’t attempt to turn over now. I fear the worst has happened which would be catastrophic internal failure for to a faulty engine & its internals.

Incident date: Sep 4, 2025

The contact owns a 2018 GMC Yukon. The contact stated after the vehicle was serviced, while driving 30 MPH and depressing accelerator pedal, the vehicle failed to respond. The contact stated that the vehicle hesitated, and the contact shifted to a lower gear to drive to the residence safely. A dealer was contacted. The vehicle was towed to the dealer where it was diagnosed and determined that the ... Read more

Incident date: Sep 4, 2025

The contact owns a 2018 GMC Yukon. The contact stated after the vehicle was serviced, while driving 30 MPH and depressing accelerator pedal, the vehicle failed to respond. The contact stated that the vehicle hesitated, and the contact shifted to a lower gear to drive to the residence safely. A dealer was contacted. The vehicle was towed to the dealer where it was diagnosed and determined that the ... Read more

Incident date: Dec 20, 2025

The grille deflector suddenly detached from the truck and flew off into traffic. It narrowly missed the vehicle behind me and could have caused a serious accident or injury. There was no prior warning or impact that would explain the failure.

Incident date: Dec 20, 2025

The grille deflector suddenly detached from the truck and flew off into traffic. It narrowly missed the vehicle behind me and could have caused a serious accident or injury. There was no prior warning or impact that would explain the failure.

Incident date: Dec 23, 2025

I am submitting a complaint regarding premature front brake wear on my 2024 GMC Acadia. At approximately 16,000 miles, Sewell Buick GMC of Midland inspected my vehicle and measured the front brake pads at 5 mm. Despite the pads not being at the replacement threshold and the vehicle being safe to drive, the dealer is already recommending brake replacement. The dealer also advised that the brake p... Read more

Incident date: Nov 21, 2025

275 55r20 Sidewalls are separating like dryrotted. Bad and severe problems and have been reported to Bridgestone warranty and recall department with no actio taken at this time.

Incident date: Nov 21, 2025

275 55r20 Sidewalls are separating like dryrotted. Bad and severe problems and have been reported to Bridgestone warranty and recall department with no actio taken at this time.

Incident date: Nov 2, 2025

While traveling in high-speed traffic, the vehicle experienced a sudden and catastrophic mechanical engine failure without any prior warning lamps, messages, or symptoms. The failure manifest as a loud, rhythmic ticking and knocking noise immediately followed by a sudden loss of propulsion and severe engine shuddering. Safety Risk: The loss of power occurred in active traffic, creating an immedia... Read more

Incident date: Dec 13, 2025

Transmission valvebody failure, causing rapid, repeated rear wheel lock ups. Videos can be provided. These happen almost daily at highway speeds. This will cause a very bad accident

Incident date: Dec 13, 2025

Transmission valvebody failure, causing rapid, repeated rear wheel lock ups. Videos can be provided. These happen almost daily at highway speeds. This will cause a very bad accident

Incident date: Dec 22, 2025

Failure of frame on left side of vehicle between frame rail and fuel tank. For a approx 10 year old vehicle that is garaged and does not drive in inclement weather this SHOULD NOT be happening.

Incident date: Dec 20, 2025

The contact owns a 2022 GMC Sierra 1500. The contact stated that while driving approximately 65 MPH, the check engine and several other warning lights were illuminated. The contact stated that the vehicle almost stalled and then lunged forward. The vehicle was driven back to the residence, and a local dealer was contacted. The contact had taken the vehicle to a local dealer, where it was not yet d... Read more

Incident date: Dec 11, 2025

The upper radiator hose, which is part of the vehicle’s engine cooling system, failed prematurely. The component is available for inspection upon request, and documentation of the repair and replacement can also be provided. Failure of the upper radiator hose caused coolant loss, creating a risk of engine overheating and sudden vehicle disablement. This posed/poses a safety risk, particularly i... Read more

Incident date: Dec 1, 2025

The contact owns a 2010 GMC Terrain. The contact stated that while operating the vehicle, the center console display intermittently malfunctioned and became inoperable. During the failure, the HVAC system was no longer blowing hot air, and the front windshield could not be defrosted, creating a visibility hazard for the driver. Additionally, the radio had become inoperable, and the audible clickin... Read more

Incident date: Dec 1, 2025

The contact owns a 2010 GMC Terrain. The contact stated that while operating the vehicle, the center console display intermittently malfunctioned and became inoperable. During the failure, the HVAC system was no longer blowing hot air, and the front windshield could not be defrosted, creating a visibility hazard for the driver. Additionally, the radio had become inoperable, and the audible clickin... Read more

Incident date: May 22, 2020

The contact owns a 2019 GMC Sierra 1500. The contact stated that in the first month that the vehicle was purchased, the vehicle intermittently hesitated before slamming into gear hard. No warning lights were illuminated. The vehicle was taken to the dealer, and the contact was informed that the manufacturer was aware of the failure and suggested that a triple fluid flush was needed, and the triple... Read more

Incident date: Dec 19, 2025

Odometer Fraud. The contact purchased a 2004 GMC Yukon. The contact stated that while attempting to trade the vehicle in, the dealer discovered that there was a mileage discrepancy, per the Carfax report. The vehicle was a dealer sale. At the time of purchase, the vehicle mileage was 165,563. The actual mileage could not be determined because the Carfax report displayed that the mileage had drasti... Read more

Incident date: Dec 12, 2025

We were driving down a farm to market road at about 50 mph pulling an empty cattle trailer when we had a severe power loss, lots of dash lights and warnings. I noticed white smoke coming from the tail pipe. We limped it back to the house and unhooked the trailer and idled it into the Chevrolet dealership in Portland TX. The dealership just called and they said the #5 cylinder failed, there is meta... Read more

Incident date: Dec 20, 2025

The other night, I was backing into a parking spot at the market. As I slowed I noticed the brake pedal was getting harder to depress and it felt as though I was going to back into the car behind me. It took more effort to stop the truck.

Incident date: Dec 21, 2025

I am reporting a driver distraction safety issue involving the infotainment system in my 2024 GMC Canyon. The vehicle displays a mandatory “Focus your attention on driving” warning every time the vehicle is started, requiring user acknowledgment. When using the built-in Google Maps navigation without subscribing to GM’s paid Connected Services plan (while tethering to a personal cellphone... Read more

Incident date: Dec 19, 2025

Pulled into a parking space, put the car into park and tried to shut the car off. The warning system said I needed to shift to park. I was in park but could not shut the car off because the car thought I wasnt in park. Took 15 minutes of shifting from park to all gears and shaking the gear shifter before it finally let me shut the vehicle off. This is now the second time this has happened and... Read more

Incident date: Dec 19, 2025

Pulled into a parking space, put the car into park and tried to shut the car off. The warning system said I needed to shift to park. I was in park but could not shut the car off because the car thought I wasnt in park. Took 15 minutes of shifting from park to all gears and shaking the gear shifter before it finally let me shut the vehicle off. This is now the second time this has happened and... Read more

Incident date: Nov 16, 2025

The contact owns a 2021 GMC Sierra 1500. The contact stated that after the vehicle was taken to a local car wash, upon further inspection, the tailgate door had independently unlatched and was open. No warning light was illuminated. In addition, the contact stated that while driving at an undisclosed speed, the local Police Department called about luggage found on the side of the road. Upon furthe... Read more

Incident date: Dec 20, 2025

Oil cooler for truck is defective and thus allowed all oil to be mixed with the coolant. GM is stating they will flush engine and replace with exact same part. Very common issue and sad to have a $100k truck and it is junk.

Incident date: Dec 1, 2025

Vehicle: 2021 GMC Denali Mileage: ~48,000 miles Purchase Price: $62,000 Issue: Airbags & crash sensors failed to deploy Complaint Text: I am filing a safety complaint regarding my 2021 GMC Denali. I was involved in a rear-end collision at approximately 45 mph, where I struck another vehicle straight on from behind. The impact was severe enough to total my vehicle, yet no airbags deployed, and no... Read more

Crash 1 injured

Incident date: Dec 1, 2025

Vehicle: 2021 GMC Denali Mileage: ~48,000 miles Purchase Price: $62,000 Issue: Airbags & crash sensors failed to deploy Complaint Text: I am filing a safety complaint regarding my 2021 GMC Denali. I was involved in a rear-end collision at approximately 45 mph, where I struck another vehicle straight on from behind. The impact was severe enough to total my vehicle, yet no airbags deployed, and no... Read more

Crash 1 injured

Incident date: Dec 1, 2025

Vehicle: 2021 GMC Denali Mileage: ~48,000 miles Purchase Price: $62,000 Issue: Airbags & crash sensors failed to deploy Complaint Text: I am filing a safety complaint regarding my 2021 GMC Denali. I was involved in a rear-end collision at approximately 45 mph, where I struck another vehicle straight on from behind. The impact was severe enough to total my vehicle, yet no airbags deployed, and no... Read more

Crash 1 injured

Incident date: Dec 7, 2025

1.)When driving the vehicle it will randomly shutoff while driving with loss of brakes and steering until it will randomly turn back on.The vehicle experiences intermittent electronic and drivability malfunctions. The issue appears to involve one or more vehicle control modules and/or electronic systems. At times, warning lights and system messages appear, and vehicle performance is affected. The ... Read more

Incident date: Dec 7, 2025

1.)When driving the vehicle it will randomly shutoff while driving with loss of brakes and steering until it will randomly turn back on.The vehicle experiences intermittent electronic and drivability malfunctions. The issue appears to involve one or more vehicle control modules and/or electronic systems. At times, warning lights and system messages appear, and vehicle performance is affected. The ... Read more

Incident date: Dec 7, 2025

1.)When driving the vehicle it will randomly shutoff while driving with loss of brakes and steering until it will randomly turn back on.The vehicle experiences intermittent electronic and drivability malfunctions. The issue appears to involve one or more vehicle control modules and/or electronic systems. At times, warning lights and system messages appear, and vehicle performance is affected. The ... Read more

Incident date: Sep 18, 2025

Approximately 2 months after purchase, the sunroof spontaneously shattered/exploded while driving on the interstate. We had it fixed and about 3 months after that, the same exact thing happened.

Incident date: Dec 8, 2025

My 2023 GMC Acadia experienced a complete electrical system failure while driving on an interstate highway. During the incident, the vehicle lost all electrical power, including hazard lights and steering assistance, and could not be shifted into neutral. The vehicle became immobile in active traffic and required police-ordered towing due to safety risk. This incident was the second alternator fa... Read more

Incident date: Nov 26, 2025

Onstar telecommunications module failed within 5 months of ownership. GPS and in car navigation goes crazy showing incorrect position which is distracting on the infotainmet screen. Been almost 4 weeks with no estimate of part availability from GM.

Incident date: Nov 26, 2025

Onstar telecommunications module failed within 5 months of ownership. GPS and in car navigation goes crazy showing incorrect position which is distracting on the infotainmet screen. Been almost 4 weeks with no estimate of part availability from GM.

Incident date: Dec 19, 2025

The main tailgate will not go down or function properly and it says online there is a national recall for this, but does not come up when I search my vehicle. When I turn on my left turn signal the brights flash for no reason and this is a known major issue with the vehicles as well. The trucks computer is telling me low on coolant even though it is not that has already been fixed through a 3rd ... Read more

Incident date: Dec 19, 2025

The main tailgate will not go down or function properly and it says online there is a national recall for this, but does not come up when I search my vehicle. When I turn on my left turn signal the brights flash for no reason and this is a known major issue with the vehicles as well. The trucks computer is telling me low on coolant even though it is not that has already been fixed through a 3rd ... Read more

Incident date: Dec 19, 2025

The main tailgate will not go down or function properly and it says online there is a national recall for this, but does not come up when I search my vehicle. When I turn on my left turn signal the brights flash for no reason and this is a known major issue with the vehicles as well. The trucks computer is telling me low on coolant even though it is not that has already been fixed through a 3rd ... Read more

Incident date: Sep 3, 2025

The warning light for a steering assist needs service came on the dash. The dealer had a code (po128) that pertained to a bad thermostat and coolant temp. sensor. The steering assist could have failed, along with possible engine damage. The dealer replaced the thermostat and the coolant temp sensor. Their were no police or insurance reports needed.

Incident date: Sep 3, 2025

The warning light for a steering assist needs service came on the dash. The dealer had a code (po128) that pertained to a bad thermostat and coolant temp. sensor. The steering assist could have failed, along with possible engine damage. The dealer replaced the thermostat and the coolant temp sensor. Their were no police or insurance reports needed.

Incident date: Jan 1, 2025

For a year we have had to check to the oil weekly and add oil due to the vehicle burning oil so quickly. The past month we have had to check it daily and add oil. We do regular routine oil changes and have had to get them before the next one is due. Recently when driving the “oil pressure low stop engine” light has been coming on almost daily. The oil change company has reported to us that it ... Read more

Incident date: Nov 19, 2024

The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving approximately 35 MPH, the vehicle lost automotive power with the check engine warning light illuminated and the message "Vehicle Might Lose Power" displayed. The vehicle remained at the residence, and the contact used a self-diagnostic tool to retrieve a fault code related to the coolant valve D. The contact determined ... Read more

Incident date: Nov 19, 2024

The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving approximately 35 MPH, the vehicle lost automotive power with the check engine warning light illuminated and the message "Vehicle Might Lose Power" displayed. The vehicle remained at the residence, and the contact used a self-diagnostic tool to retrieve a fault code related to the coolant valve D. The contact determined ... Read more

Incident date: Nov 10, 2025

No specific incident. High pitch rattling in ceiling. Does not seem to be coming from the sunroof but the middle light fixture.

Incident date: Nov 27, 2025

The contact owns a 2024 GMC Sierra 1500. The contact stated that while driving approximately 70 MPH, the vehicle stalled. The contact was able to coast to the highway divider and stop the vehicle. The contact stated there was no warning light illuminated. The contact attempted to restart the vehicle, but the vehicle failed to start. The contact stated that the vehicle was towed to a dealer. The de... Read more