Consumer Safety Complaints
Search 2,192,899 safety complaints filed by vehicle owners with NHTSA — including 137,559 crashes, 55,854 fires, and 8,555 deaths.
Showing 62,410 complaints for GMC
GMC
SIERRA 1500
(2024) — POWER TRAIN
Jan 14, 2026
Incident date: Dec 20, 2025
Had a recall for the engine , went in for the pick scope test and it passed they switched the oil from 0w-20 to 0w-40 and not even 500 miles and the engine failed lucky I wasted driving it when it did
GMC
SIERRA 1500
(2022) — ENGINE
Jan 13, 2026
Incident date: Nov 21, 2025
Complete engine failure, at 57,000 miles, was driving approximately 75 mph on the I-15 in Utah outside of St. George, and the left lane, engine turned off, was able to pull safely in a shoulder in a canyon with my family, my wife, my kids [XXX] and [XXX] old. Vehicle was towed that evening at 7 PM to the dealership, where it was diagnosed with completed engine failure. INFORMATION REDACTED PURSU... Read more
Incident date: Jan 5, 2026
Vehicle was started for the second time that day on 1/5/26 and the engine light was on. I drove the vehicle to an auto parts store to have them check it with an OBD-II scanner. It had code P050F. I had no idea how serious this issue could be at the time. I made an appt with the GMC dealership and dropped it off the evening of 1/6/26. They said there was a software anomaly in the engine control mod... Read more
Incident date: Jan 5, 2026
Vehicle was started for the second time that day on 1/5/26 and the engine light was on. I drove the vehicle to an auto parts store to have them check it with an OBD-II scanner. It had code P050F. I had no idea how serious this issue could be at the time. I made an appt with the GMC dealership and dropped it off the evening of 1/6/26. They said there was a software anomaly in the engine control mod... Read more
Incident date: Jan 5, 2026
Vehicle was started for the second time that day on 1/5/26 and the engine light was on. I drove the vehicle to an auto parts store to have them check it with an OBD-II scanner. It had code P050F. I had no idea how serious this issue could be at the time. I made an appt with the GMC dealership and dropped it off the evening of 1/6/26. They said there was a software anomaly in the engine control mod... Read more
GMC
SIERRA 1500
(2022) — POWER TRAIN
Jan 13, 2026
Incident date: Jan 25, 2025
2022 GMC AT4 w/ 6.2L V8 was my retirement gift to myself at a cost of $70k. I have had 2(two) engine failures! Of course they failed in the middle of rush hour traffic when no one wants to be kind. Since the wheels will NOT rotate once the failure has occurred, I was stuck in middle of traffic for 2 hours awaiting a tow truck. Not even 3k miles after the 2nd engine failure I was told by the dealer... Read more
GMC
SIERRA 1500
(2022) — ENGINE
Jan 13, 2026
Incident date: Jan 25, 2025
2022 GMC AT4 w/ 6.2L V8 was my retirement gift to myself at a cost of $70k. I have had 2(two) engine failures! Of course they failed in the middle of rush hour traffic when no one wants to be kind. Since the wheels will NOT rotate once the failure has occurred, I was stuck in middle of traffic for 2 hours awaiting a tow truck. Not even 3k miles after the 2nd engine failure I was told by the dealer... Read more
Incident date: Jan 9, 2026
I have a 2021 GMC Yukon with 74,000 miles I was recently told I need a new transmission.I am am trying to understand why a car that is 5 years with all the services done by Lehman GMC in North Miami would need a new transmission they have been servicing this car and no one mention anything breaking down of need of repair until now. I spoke with the service manager Franklin and he stated to me anot... Read more
Incident date: Jan 9, 2026
I have a 2021 GMC Yukon with 74,000 miles I was recently told I need a new transmission.I am am trying to understand why a car that is 5 years with all the services done by Lehman GMC in North Miami would need a new transmission they have been servicing this car and no one mention anything breaking down of need of repair until now. I spoke with the service manager Franklin and he stated to me anot... Read more
Incident date: Jan 9, 2026
I have a 2021 GMC Yukon with 74,000 miles I was recently told I need a new transmission.I am am trying to understand why a car that is 5 years with all the services done by Lehman GMC in North Miami would need a new transmission they have been servicing this car and no one mention anything breaking down of need of repair until now. I spoke with the service manager Franklin and he stated to me anot... Read more
Incident date: Dec 4, 2025
The system that failed was the brakes, The car is availble for inspection. My saftey and others was put at risk due to not having brakes to stop. The problem has been confirmed by a dealer as a master brake cylinder failer The vehicle has been inspected by the dealer. There were warning lamps, message and other symptoms of the problem prior to the failure. They first appearead on December 4 2... Read more
Incident date: Dec 4, 2025
The system that failed was the brakes, The car is availble for inspection. My saftey and others was put at risk due to not having brakes to stop. The problem has been confirmed by a dealer as a master brake cylinder failer The vehicle has been inspected by the dealer. There were warning lamps, message and other symptoms of the problem prior to the failure. They first appearead on December 4 2... Read more
GMC
SIERRA 3500
(2023) — LANE DEPARTURE: ASSIST
Jan 13, 2026
Incident date: Dec 25, 2025
On Christmas Day 2025 my Tailgate flies open on its own and I see my cargo flying out and a piece of it bounced off my taillight passenger side braking the taillight and then when attempting to pull over my lane departing feature try’s to correct its self and I hit the median luckily at slower than I was going but enough to make a decent dent on front bumper
Crash
GMC
SIERRA 3500
(2023) — BACK OVER PREVENTION: WARNINGS
Jan 13, 2026
Incident date: Dec 25, 2025
On Christmas Day 2025 my Tailgate flies open on its own and I see my cargo flying out and a piece of it bounced off my taillight passenger side braking the taillight and then when attempting to pull over my lane departing feature try’s to correct its self and I hit the median luckily at slower than I was going but enough to make a decent dent on front bumper
Crash
GMC
SIERRA 3500
(2023) — FORWARD COLLISION AVOIDANCE: WARNINGS
Jan 13, 2026
Incident date: Dec 25, 2025
On Christmas Day 2025 my Tailgate flies open on its own and I see my cargo flying out and a piece of it bounced off my taillight passenger side braking the taillight and then when attempting to pull over my lane departing feature try’s to correct its self and I hit the median luckily at slower than I was going but enough to make a decent dent on front bumper
Crash
Incident date: Dec 22, 2025
I experienced the brakes squeaking on and off for a few weeks this past summer. When at the dealership for an oil change, I was told the brakes pads were still good and the squeaking is common, especially during hot humid weather. Since then, I have lost the brakes twice. Both times, the pedal went all the way to the floor without resistance and after a few seconds, they came back like nothing hap... Read more
Incident date: Dec 22, 2025
I experienced the brakes squeaking on and off for a few weeks this past summer. When at the dealership for an oil change, I was told the brakes pads were still good and the squeaking is common, especially during hot humid weather. Since then, I have lost the brakes twice. Both times, the pedal went all the way to the floor without resistance and after a few seconds, they came back like nothing hap... Read more
Incident date: Dec 22, 2025
I experienced the brakes squeaking on and off for a few weeks this past summer. When at the dealership for an oil change, I was told the brakes pads were still good and the squeaking is common, especially during hot humid weather. Since then, I have lost the brakes twice. Both times, the pedal went all the way to the floor without resistance and after a few seconds, they came back like nothing hap... Read more
Incident date: Jan 12, 2026
Car will not shift into park therefore I cannot turn the car off without disconnecting the battery. Dangerous bc you don’t know if the car is in park or not when you have to get out and stand in front of car to life hood and disconnect battery.
Incident date: Jan 10, 2026
The engine experienced a catastrophic mechanical failure after the vehicle had been inspected by the manufacturer and certified as compliant with an engine recall. The failure occurred after the recall remedy/inspection was completed. The engine lost functionality while the vehicle was in use, resulting in loss of propulsion and the vehicle becoming disabled, requiring towing. The engine is curre... Read more
GMC
SIERRA 2500
(2023) — POWER TRAIN
Jan 12, 2026
Incident date: Jul 21, 2025
Summary of Issue On [XXX], my family and I departed Kansas City, Missouri, for a camping trip to Great Smoky Mountains National Park (Cades Cove), Tennessee, approximately 800 miles away. We were towing a 2020 Forest River Salem FSX/RTX travel trailer, estimated at approximately 6,000 pounds loaded, using a Reese weight distribution hitch with integrated sway control. This load was well below the ... Read more
Incident date: Dec 27, 2025
I live in Alaska. It was -13f. We were out and about and when I tried to leave and back up, the vehicle would not go into reverse. If it hadn’t been for a passing motorist my daughter and I would have been stuck there overnight, in negative temps. I was able to drive it home, in limp mode. Come to find out, it is the valve body on the transmission. That in cold temps the valve body can fail. Aft... Read more
Incident date: Jan 8, 2026
Vehicle Status: Brand New Current Mileage: Approximately 10,000 miles Incident Description On 1/8/26, while operating the vehicle on the interstate at highway speeds with cruise control engaged, the Check Engine light began to flash. Simultaneously, the vehicle’s warning system issued an alert stating that the engine oil was excessively hot. Immediately after these warnings, the engine began ... Read more
Incident date: Jan 8, 2026
Vehicle Status: Brand New Current Mileage: Approximately 10,000 miles Incident Description On 1/8/26, while operating the vehicle on the interstate at highway speeds with cruise control engaged, the Check Engine light began to flash. Simultaneously, the vehicle’s warning system issued an alert stating that the engine oil was excessively hot. Immediately after these warnings, the engine began ... Read more
Incident date: Jan 8, 2026
Vehicle Status: Brand New Current Mileage: Approximately 10,000 miles Incident Description On 1/8/26, while operating the vehicle on the interstate at highway speeds with cruise control engaged, the Check Engine light began to flash. Simultaneously, the vehicle’s warning system issued an alert stating that the engine oil was excessively hot. Immediately after these warnings, the engine began ... Read more
GMC
SIERRA 1500
(2016) — SERVICE BRAKES
Jan 12, 2026
Incident date: Jan 11, 2026
While traveling at low speeds in parking lots and in the operation of parking, my 2016 GMC Sierra 1500 gets a hard brake pedal that goes to the floor but I have no brakes. I almost hit a person in a local grocery store parking lot, at the bank driving up to the ATM, and I almost lost my truck over a bank because the brakes failed. This has happened multiple times at low speeds but it is getting m... Read more
GMC
SIERRA 1500
(2025) — ENGINE
Jan 12, 2026
Incident date: Jan 8, 2026
With approximately 5,200 miles on my new vehicle, received an error message on the dash while driving on 1/8/2026 that read “Reduced acceleration; Drive with care”. I immediately took the vehicle to a local GM dealership and was informed on 1/9/2026 that due to a faulty thrust bearing (covered under the non-mandatory technical service bulletin 25-NA-307), the entire engine sustained a catastro... Read more
Incident date: Dec 31, 1969
My park to shift to park warning keeps coming on. It was replaced under warranty once and came on again comes and goes and dealership is not replace it again saying it isn’t tripping a code so it won’t get covered under the parts warranty.
Incident date: Dec 31, 1969
My park to shift to park warning keeps coming on. It was replaced under warranty once and came on again comes and goes and dealership is not replace it again saying it isn’t tripping a code so it won’t get covered under the parts warranty.
Incident date: Nov 24, 2025
purchased the vehicle in good faith, unaware that the check engine light was illuminated at the time of purchase and not informed that this indicated a serious mechanical or emissions-related issue. After purchase, the dealership repaired an emissions-related problem, and the check engine light was no longer present when the vehicle was returned to me. However, within three days of having the vehi... Read more
Incident date: Nov 24, 2025
purchased the vehicle in good faith, unaware that the check engine light was illuminated at the time of purchase and not informed that this indicated a serious mechanical or emissions-related issue. After purchase, the dealership repaired an emissions-related problem, and the check engine light was no longer present when the vehicle was returned to me. However, within three days of having the vehi... Read more
Incident date: Nov 24, 2025
purchased the vehicle in good faith, unaware that the check engine light was illuminated at the time of purchase and not informed that this indicated a serious mechanical or emissions-related issue. After purchase, the dealership repaired an emissions-related problem, and the check engine light was no longer present when the vehicle was returned to me. However, within three days of having the vehi... Read more
Incident date: Dec 2, 2024
I want to report the dealership, Hill GMC, in Newtown Square PA and the salesman, Vince Pace, that special ordered this vehicle for me in December of 2023 knowing full well that these cars had an engine problem. It was deceitful and cunning. I purchased a GMC 2024 Yukon Denali for $102,000 I am a senior citizen and I was taken full advantage of in this fraudulent sale.
GMC
SIERRA 1500
(2019) — ENGINE
Jan 11, 2026
Incident date: Jan 11, 2026
While driving vehicle at highway speeds the vehicle shut down without any warning
GMC
SIERRA 1500
(2026) — FUEL/PROPULSION SYSTEM
Jan 11, 2026
Incident date: Jan 2, 2026
2026 Sierra 1500 AT4 with 3.0L Duramax Diesel. Three major issues. 1. 2960 miles, thrust bearing failure caused low oil pressure and internal damage. Vehicle needs complete engine replacement. The truck is still at the dealer with no ETA on engine arrival and replacement. 2. Vehicle has severe electrical issues. battery replaced on second day of ownership due to over charge and smoking. The t... Read more
GMC
SIERRA 1500
(2026) — ENGINE
Jan 11, 2026
Incident date: Jan 2, 2026
2026 Sierra 1500 AT4 with 3.0L Duramax Diesel. Three major issues. 1. 2960 miles, thrust bearing failure caused low oil pressure and internal damage. Vehicle needs complete engine replacement. The truck is still at the dealer with no ETA on engine arrival and replacement. 2. Vehicle has severe electrical issues. battery replaced on second day of ownership due to over charge and smoking. The t... Read more
GMC
SIERRA 1500
(2026) — ELECTRICAL SYSTEM
Jan 11, 2026
Incident date: Jan 2, 2026
2026 Sierra 1500 AT4 with 3.0L Duramax Diesel. Three major issues. 1. 2960 miles, thrust bearing failure caused low oil pressure and internal damage. Vehicle needs complete engine replacement. The truck is still at the dealer with no ETA on engine arrival and replacement. 2. Vehicle has severe electrical issues. battery replaced on second day of ownership due to over charge and smoking. The t... Read more
GMC
SIERRA 1500
(2021) — POWER TRAIN
Jan 10, 2026
Incident date: Nov 28, 2024
Unexpected rear wheel lock-up at 29000 miles. While engine braking from highway speed onto an off-ramp at approximately 50 mph, the rear wheels unexpectedly locked up. Due to prior rear brake actuator issues, I suspected the emergency brake had activated without my input. It was only momentary, and no fault codes or warnings were displayed. It happened again under the same circumstances two months... Read more
GMC
SIERRA 1500
(2021) — SERVICE BRAKES
Jan 10, 2026
Incident date: Jun 6, 2024
Left rear parking brake actuator malfunction. The truck would brake unexpectedly. The brake would not completely release at times. Took it to the dealer on June 6, 2024 and they replaced the rear rotors and pads. I asked them if the parking brake actuator was faulty and may have caused the premature wear. They laughed and said no, it wasn't possible. On Aug 7, 2024 I returned the truck to the dea... Read more
GMC
SIERRA 1500
(2019) — ENGINE
Jan 10, 2026
Incident date: Dec 14, 2025
The service engine light came on while driving on the highway. We took it to a GMC dealership and they scanned to determine a short in the oil pressure sensor. This was replaced then during the final check they found metal in the oil. The warranty company made them tear the engine apart where they found multiple area where the metal was worn down including the gaskets, rings, and cylinders. The... Read more
GMC
SIERRA 1500
(2021) — FORWARD COLLISION AVOIDANCE: WARNINGS
Jan 10, 2026
Incident date: Jan 21, 2022
The front camera stopped working, causing the safety systems to shut off. Codes U026A & U0078 "no communication failure". The camera was ordered and replaced.
GMC
SIERRA 1500
(2021) — LANE DEPARTURE: ASSIST
Jan 10, 2026
Incident date: Jan 21, 2022
The front camera stopped working, causing the safety systems to shut off. Codes U026A & U0078 "no communication failure". The camera was ordered and replaced.
GMC
SIERRA 1500
(2021) — LANE DEPARTURE: WARNING
Jan 10, 2026
Incident date: Jan 21, 2022
The front camera stopped working, causing the safety systems to shut off. Codes U026A & U0078 "no communication failure". The camera was ordered and replaced.
Incident date: Nov 6, 2025
Engine lifter spring failure followed by bent valve push rod experienced on or about 11/6/2025. Engine repaired/re-built at independent auto mechanic for a total of $6,450. Parts not available but have pictures. Depending on where this incident could have occurred (freeway, long trips, while towing (boat, horses), etc.) safety concerns include being stranded in traffic or remote areas. Engine l... Read more
Incident date: Dec 19, 2025
Drove car approximately 15 miles. Parked car. Car would not turn off. Message- Transmission/Park. Wouldn't Car stayed neutral. Had to call wecker to take dealership. ... Diagnostic Solenoid Valve Body faulty.... 2019 Terrain Miles 91669. Is there recall. Have more reports of issue. Should this happen with a well maintained vehicle All maintenance updated to date.
Incident date: Dec 19, 2025
Drove car approximately 15 miles. Parked car. Car would not turn off. Message- Transmission/Park. Wouldn't Car stayed neutral. Had to call wecker to take dealership. ... Diagnostic Solenoid Valve Body faulty.... 2019 Terrain Miles 91669. Is there recall. Have more reports of issue. Should this happen with a well maintained vehicle All maintenance updated to date.
Incident date: Dec 19, 2025
Drove car approximately 15 miles. Parked car. Car would not turn off. Message- Transmission/Park. Wouldn't Car stayed neutral. Had to call wecker to take dealership. ... Diagnostic Solenoid Valve Body faulty.... 2019 Terrain Miles 91669. Is there recall. Have more reports of issue. Should this happen with a well maintained vehicle All maintenance updated to date.
GMC
SIERRA 2500
(2025) — UNKNOWN OR OTHER
Jan 10, 2026
Incident date: Oct 14, 2025
Had a minor wreck was to be two weeks to then it had to have a new frame they said it coun't be repair if a minor wreck can do this much damage there is a problem with subpar frames that any sudden stops or turns
Crash
GMC
SIERRA 2500
(2025) — SUSPENSION
Jan 10, 2026
Incident date: Oct 14, 2025
Had a minor wreck was to be two weeks to then it had to have a new frame they said it coun't be repair if a minor wreck can do this much damage there is a problem with subpar frames that any sudden stops or turns
Crash
Incident date: Jan 9, 2026
I was driving down the highway at normal speeds under normal conditions and the engine light came on and started flashing. By the time I could find a safe place to pull over I heard the engine knocking. Left my wife, two young kids and myself stuck in the middle of the road with traffic coming. Managed to get it out of the road before going to get my truck and trailer to tow it home. I assume this... Read more