general problems of the 2024 GMC Sierra 1500 - part 2

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.

While traveling down the highway at approximately 60-65mph I pressed the accelerator to change lanes and pass a tractor trailer when it felt like my transmission slipped very abruptly. There was a very noticeable power loss and the truck would not accelerate. Then I noticed a loud knocking noise coming from the engine. No check engine light or any other indications on the dash to let me know there was a problem. I began to try and merge to the right of the highway to get off which was not easy do to the power loss and heavy traffic on the highway at the time. I made it to the right lane to exit the highway and when I slowed down the engine died and I had to coast to a stop luckily on an exit ramp. The truck was towed to a dealership and they state that I will need a new engine. I know this issue is already well documented with the gm 6. 2l engines but I is very unsettling that the engine just died on the highway at highway speeds and no indications.

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 No warning, engine has been replaced by gm.

I passed the recall inspection on 12/17/2025 and the higher viscosity oil was put into my vehicle. On 12/25/2025 my vehicle's engine shut off while I was traveling on the highway (I-25). The vehicle went into to neutral and I had to pull over to the side of the highway without power. The vehicle started again and as I was merging onto the highway it shut down again. The truck started again and I was able to drive it home. There were no codes found when I took it in for service on 12/26/2025. On 01/24/2026 I was driving on the highway (us-40) and I had complete engine failure. I had to get my vehicle towed to the service center and a new motor was installed. On March 27th the vehicle's engine shut off again while driving on the highway (us-191). There were no codes or check engine lights on this time either. The service records state that the starter mount stud was loose.

2024 GMC engine 6. 2 that failed had the recall test done and a couple of mounts later engine started making loud knocking sound its at the shop now getting a new engine in been at the shop for about 3 weeks now.

My truck has not been added to the 6. 2 engine recall. I have several cases of friends and acquaintances who have had multiple engine failures (including replacements)with this same engine where their trucks shut down in the middle of the highway. I’ve tried speaking with Gmcs customer warranty department to get details on why my engine has not been recalled and no one including them, my selling dealer or my service dealer can explain why it has not been recalled. I do not feel safe driving this truck and I’ve come to the point where I do not feel GMC has been honest with me about this engine. I’m actively reading dozens and dozens of cases each week where some GMC trucks are on their 3 or more engine. (engines produced in 2025 and late 2024). Facebook page called gm 6. 2l engine and bearing failure 2019-2024 discussion group has nearly 5,000 active members on it. I’m even getting conflicting information form GMC and dealers on what oil the truck should have.

12/7/2025 8:48 am engine lost propulsion while driving 35mph enroute to residence. The engine cut off and at the same time we saw a cloud of blue smoke trailing the vehicle. The engine refired and propulsion resumed. I immediately looked at the dash display for an indicator light resulting from the lack of propulsion. There were no unusual indicator lights or messages but the tachometer needle dropped about an inch and went back up again rapidly. The engine had resumed running. This loss of propulsion and resumption occurred two more times while my foot was off the accelerator. After the third incident the vehicle seemed to be running normally. I stated we had only about two miles to get home and I hope we make it. The next day I called deluz service department to notify them of the incident. I left a message but my call was not returned. I updated service staff of the new incident when I dropped the vehicle off for a previously scheduled appointment on 12/11/25.

On Dec 4, 2025, my wife was driving at night on a texas road going 75mph. Her truck died while driving and the truck shifted into neutral and computer said to restart. When she did, all electrical power was lost including headlights while traveling at 75mph at night. Vehicle eventually was started after she got to the side of the road. A check engine light was present. She made it to her destination with no further problems. Vehicle was taken to the dealership the next day. They said that she may have catastrophic engine failure that is common on the 6. 2 liter gm motors.

Https://static. Nhtsa. Gov/odi/rcl/2025/rcrit-25v274-6343. Pdf safety recall n252494001 l87 engine loss of propulsion I am currently writing due to my vehicle falling under the guidelines of this recall but it is not listed in the recalls. I have been in contacts with gm directly as they say because it is not listed on NHTSA as a saftey recall they will not cover the cost. I am writing to try to get this listed as I currently can not get an oil change at any location but a gm dealer because it is listed in the systems.

On 29 November 2025 at approximately 1700hrs, I was driving my blue 2024 GMC Sierra 1500 at4x outside of pampa, TX. As I was driving to my hunting location, my truck turned itself off and placed itself in neutral. I was driving about 30 mph down a single farm road with another vehicle approaching me from the front. I was unable to pull to the side due to farmland. I was able to flash my lights to get the other vehicle to slow down before having an incident. During this time, I had to let the truck slow down to a stop. My vehicle was already inspected for the engine recall and I was informed I had nothing to worry about. That everything was good. The truck is at greg lair in canyon, TX. It did put me and my passenger as risk. I did not receive any warning before my truck turned off. The dealer confirmed today that the engine had seized. The engine was inspected during the summer before this issue. I had not warning when this happened. Was just driving and lost power. Looked down at the display and it stated to restart engine. I noticed my truck was in neutral when it came to a stop.

While traveling on highway, engine suddenly just stopped. Unable to restart engine and had to coast to side of road with high speed vehicles almost hitting us several times. Towed to dealership and told metal found in oil filter. Told engine had to be replaced. Vehicle was inspected 3 weeks before by dealership and told everything was fine.

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 dealer diagnosed the vehicle and determined that the engine had suffered a catastrophic failure and needed to be replaced. The vehicle was repaired. The contact researched online and related the failure to NHTSA campaign number: 25v274000 (engine and engine cooling). The contact informed the dealer of the issue and was informed that the VIN was not included in the recall. The manufacturer was informed of the failure. The failure mileage was 6,504.

The recall you are showing was completed 300 miles ago. There were no outstanding recalls on my vehicle on November 23, 2025. On this day I was driving home, at night and I heard a loud flapping sound coming from the front of my vehicle. I pulled over and checked the front and wheel wells, nothing was stuck. I got back in and started driving the flapping sound was coming as I pressed the gas, when coasting with no gas, there was no flapping sound. I managed to make it home and gm towed my truck the next day. The shop has informed me that the engine is gone. Even though I did the recall 300 miles ago, it was directly what they were looking for in the recall and did not find it. This clearly put me in danger.

The contact owns a 2024 GMC Sierra 1500. The contact stated that the vehicle was included in NHTSA campaign number: 25v274000 (engine and engine cooling) in October 2025, and the vehicle was taken for inspection. The vehicle passed the inspection, and the recall was closed. The following month, while driving approximately 60 mph, the vehicle started losing motive power and decelerated to approximately 30 mph with an abnormal clanking sound coming from near the engine compartment. The contact was able to pull to the side of the road and waited before driving 30 mph to a nearby dealer. The check engine warning light and an unknown sensor light were illuminated. The vehicle was taken to the dealer, who diagnosed that there was a loss of power due to engine failure and that the engine needed to be repaired. The engine was replaced. The manufacturer was made aware of the failure, and a case was opened. The manufacturer referred the contact to the NHTSA hotline to report the failure. The failure mileage was approximately 67,000.

I brought my 2024 sierra in for its l87 recall. It passed. Two weeks later I had to bring it in for check engine light. They reset the system under a TSB that is known to occur with the l87 recall. Not a total of 300 miles of passing the recall I was driving and the engine started making a horrible noise and I started experiencing loss of power. I managed to get the vehicle safely parked. The dealer pulled the oil filter and said it had 100% metal contamination in the oil. The filter looked like a glitter bomb went off. It took 3 weeks, they replaced the engine with a remanufactured engine even though I told them new only. They also had to replace the radiator as it was polluted with metal.

While driving my 2024 GMC sierra denali ultimate on the highway, the engine suddenly failed without warning. The truck shut off completely while I was traveling at highway speed. I was fortunate to be able to safely maneuver to the shoulder, but the sudden loss of power created a serious risk of a collision with surrounding traffic. The failure appears to involve the engine or engine control system. The vehicle engine is currently available for inspection upon request. Prior to the incident, there were no warning lights, messages, or unusual symptoms. The shutdown occurred abruptly with no prior indication of a problem. This vehicle previously received the ns25249400 safety recall repair on August 12, 2025, and it reportedly passed all required checks at that time.

Burnt engine oil, breakdown of viscosity, low oil warning light prior to required change, and oil consumption. Multiple events and oil changes with same results of oil fluid conditions and consumptions with low-mileage engine and overall vehicle.

After pulling my 2024 GMC Sierra 1500 slt into a parking space at a local store, I shut off the engine. I observed the lighted ignition switch and the dash icons were illuminated even though the engine was completely off. Having had my foot on the brake at the time I decided to test the ignition switch to determine why it was lit while the engine was off. When I pressed the start button there was a loud, whining starter like sound, grinding like metal on metal. The noise was so alarming that I immediately took my hand off the ignition. The engine was still off. After waiting a significant amount of time I tried to restart the engine. Exactly the same thing occurred. On the final attempt to start the engine, 15-20 minutes later, it started and ran quietly like nothing had ever happened. On returning to the vehicle my wife asked what all the loud grinding noise was about. She had heard it while she was inside the store. I advised her it was our truck! the incident was shocking to us both and because of its bizarre nature I was afraid to drive the vehicle back home. As I already had an appointment on November 6 at deluz chevy for another incident, I called them on November 3 to add this incident to the existing appointment. This incident was added to the November 6 appointment. Unfortunately the service department did not assess the previous incident and only addressed this incident.

On October 23rd at approximately 0900-0915 hours I arrived at a friends house located at [xxx] . As I normally do, I pulled up into the driveway which has a pretty significant incline. I shifted the column shifter into park, and turned off the vehicle via the push button ignition switch. The parking brake/hill brake system automatically engaged as per normal operation. I exited the vehicle and before I could shut the door, the vehicle began to roll backwards. The driver's side door hit me in the right shoulder which pushed me to my left and caused me to roll my left ankle due to the down slope of the driver way. While I felt immense pain in my right ankle, I was able to jump back into the truck and slam on the brakes, causing both rear wheels to lock up and skid in the driveway. I then turned back on the vehicle, noting that the transmission position was still in park, and the parking brake/hill brake was still engaged. I had to disengage the push button parking brake/hill-brake, shift the vehicle from park into drive to move back up the driveway. This time I ensured that the vehicle did not move after following the exact same steps. My truck under went an approximately 30 minute software "upgrade" approximately 2. 5 weeks ago. I believe there was an issue where the park sensor did not fully engage, leading the vehicle to believe it was still in an operational gear, however it does not explain how it was able to not only over-ride the parking/hill-brake itself, as well as allow me to shut the vehicle off and exit the vehicle. This safety hazard has caused me an injury that has already caused me to miss 48 hours of work (I am a federal firefighter) and will require more missed time should surgery be required. There were no warning lamps, the backup camera was not engaged, the only audible sound was the beep that the vehicle makes when engaging the parking brake automatically. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

I was operating my GMC Sierra 1500 slt in hilo hi. As I was slowly turning left from [xxx] onto [xxx] my vision was drawn to the rear view mirror. My wife and I observed a huge smoke like cloud above the tailgate of my truck and beyond. I immediately reduced my already slow speed. Traffic was heavy and I was unable to safely assess the problem on the spot. When I arrived at my destination a few blocks away I found no physical evidence that it had occurred. It has not happened since. Even so, we were concerned enough to make an appointment with deluz chevy in hilo for assessment. Unfortunately in the interim I experienced another problem with the truck and asked that it also be addressed during the smoke related appointment. Again unfortunately the deluz service department did not assess the smoke incident during the service visit. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

The first time the truck stopped and wouldn’t want to start (engine light came up) after a few minutes and with a push the truck turned on. Next day while driving on freeway the truck shift hard pulling vehicle back as if it was going to stop without braking. Took truck to GMC dealer on 9/26/25 for an inspection with approx 17,000 miles. Oct. 17, 2025 GMC rep said my truck was inspected/ good to go and was ready for pick up. Not sure what part they had replaced. On oct. 18, 2025 picked up truck while leaving dealer I had my family in my truck about 3 miles into my drive we heard a loud clunk and the truck shifted hard slowing the truck down and display reduce acceleration drive with care and check engine light on. Have in mind we were on a busy traffic street driving while other cars had to pass us because we couldn’t speed up. I did not feel safe with my children in the car, left it again for the 2nd time with GMC service dept. Now we are almost reaching to a 30 day grace period without our vehicle.

The contact owns a 2024 GMC Sierra 1500. The contact received notification of NHTSA campaign number: 25v274000 (engine and engine cooling); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure.

The contact owns a . The contact stated that upon restarted the vehcile experienced harsh restarts and lurch forward. The contact indicated that the failure and become more frequent. The vehicle was taken to the local dealer was unable to duplicate the failure and no service was performed. The manufacturer was notified of the failure. . The failure mileage was 33,400.

The contact owns a 2024 GMC Sierra 1500. The contact received notification of NHTSA campaign number: 25v274000 (engine and engine cooling). The vehicle was scheduled for the recall repair; however, the contact was informed that the recall repair could not be completed. The contact was informed that the computer system was not reading the machine. In addition, the contact stated that the appointment was rescheduled by the dealer twice. The manufacturer was made aware of the failure but provided no assistance. The vehicle had not experienced a failure.

The contact owned a 2024 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the low oil warning light illuminated. After a visual inspection, the contact observed that the engine was abnormally low on oil, though the vehicle had recently been serviced. The vehicle was taken to an independent mechanic, who did not provide a specific diagnosis but observed metal shavings inside the oil filter. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA campaign number: 25v274000 (engine and engine cooling); the VIN was included but the vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 16,000.

My engine makes a rattling noise intermittently, misses, and surges. The transmission has shuddered and shifts hard randomly. The transmission has stayed at 2-plus rpm for well over two minutes. All this happens at random times. I have shown videos to my dealership, which did no good because they couldn't replicate it. I have had gm's so-called fix with changing the oil and software updates, which still haven't fixed any of my issues. I've been in contact with the main gm over these issues, and no one has seemed to care. They did scan the vehicle, and the only code it showed was a loss of signal to the transmission control module, which I assume fixed itself, because they did nothing further.

The contact owns a 2024 GMC Sierra 1500. The contact received notification of NHTSA campaign number: 25v274000 (engine and engine cooling); however, the part to do the recall repair was not yet available. The contact was concerned that the failure could occur and that the parts were not yet available. The contact stated there was a lot of pressure and worry about what might happen should the failure occur. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the concerns. The contact had not experienced failure.

As part of the engine recall associated with my vehicle I had a repair scheduled at parks GMC in greenville, SC located on laurens rd. When I arrived at the dealership this morning I was told that they had the parts and protocol but could not repair my recall because general motors was at random selecting VIN numbers to determine which ones they would repair. The service advisor (kevin blackston) told me that gm was fixing new vehicles first and that they could not determine when mine would be available for repair. I dont understand how they can schedule me in to perform the repair and then refuse to make the repair stating that there is no solutions when in fact the service advisor explained in detail what would be performed on my vehicle. How can gm allow people to be on the road in an unsafe vehicle yet have the parts on the shelf to make needed repairs. The other issue I have is that this dealership is using this recall to [xxx] clients. A few months back when I went in for an oil change they sent me a text making an offer if I was interested in selling the vehicle. When I went in to get the vehicle appraised they told me that they couldnt offer me the amount in the text message because the recall hadnt been repaired and at best could give me about 9,000 less. Which sounds like they are getting over on people and making a lot more money off of gms mistake. I have been wanting to sell my vehicle and get another vehicle for a few months and I am stuck with this potentially unsafe and unreliable vehicle while the dealership holds on to parts for other vehicles. I need assistance in pusing parks GMC to make the needed repairs. If the engine were to breakdown before the repair is completed I could be out of a vehicle for months. I have 2 children to get back and forth to school and work that has to continue with our without a good vehicle. Any assistance in this matter would be greatly appreciated!!!! also I have already contact gm customer support information redacted pursuant to the freedom of information a.

On August 3, 2025 I was on the road enroute to my residence. With no warning my 2024 GMC Sierra 1500 slt engine quit. We heard a popping sound and the entire vehicle shuddered. I took safe control of the vehicle. As I intervened I noticed that the dash warning lights were lit. Almost immediately the warning lights went off and the engine restarted on its own. We were startled and extremely concerned about what had just happened. This was the first problem we encountered with the truck. I contacted the deluz chevy garage in hilo for a follow-up appointment.

On July 31, 2025 while traveling on a highway, the vehicle lost drive power—the gear selector would not remain in drive and reverted to neutral for approximately 10 minutes. This created a serious safety hazard due to sudden loss of propulsion in moving traffic. The event was captured by onstar, which emailed an automated incident alert. I later received a gm safety recall notice concerning potential engine loss of propulsion for vehicles with the 6. 2l l87 engine (NHTSA 25v-274 / gm n252494000/001/002). I presented the vehicle to ewing Buick GMC (plano, TX) on July 23, 2025 for recall service and retrieved it on July 28, 2025. Approximately one week later, during an interstate trip to kansas city, the engine catastrophically failed about one hour from my destination, leaving the vehicle disabled on the roadway shoulder. Roadside assistance towed the truck to briggs auto (KS). Briggs auto diagnosed engine failure and ordered a replacement engine. I was informed the engine is on back-order with no estimated arrival, and the shop is under-staffed, prolonging repairs. The vehicle remains out of service. The sequence—pre-recall loss of propulsion, post-recall service, and then engine failure within a week—shows a serious safety defect that can lead to sudden loss of power at highway speeds, risking a crash. Frequency: loss of propulsion occurred at least twice (March highway incident; subsequent engine failure in early August). Warning lights/messages: [gear refuse tom shift to drive mode. ] injuries/crashes: none, but risk was substantial due to sudden power loss. Dealer involvement: ewing Buick GMC (recall visit); briggs auto (diagnosis/engine order). Attachments/supporting docs: onstar email, recall notice, repair orders, tow documentation, photos/video. Please investigate whether 2024 GMC sierra trucks with the 6. 2l l87 engine continue to pose a loss-of-propulsion risk after recall service and whether parts shortages/back-orders are delaying effective remedy.

The contact owns a 2024 GMC sierra. The contact became aware that the VIN was included in NHTSA campaign number: 25v274000 (engine and engine cooling); however, the part to do the recall repair was not yet available. The dealer was contacted and confirmed that parts were not yet available for the recall repair. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

The contact owns a 2024 GMC sierra. The contact received a notification of NHTSA campaign number: 25v274000 (engine and engine cooling); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

I recently purchased a 2024 GMC Sierra 1500. On July 14, 2025, I was informed of a recall involving the l87 engine and a risk of loss of propulsion. This is a major safety concern that can cause the vehicle to suddenly lose power while driving. I was advised not to drive the truck due to safety reasons, but gm has not released a fix or repair solution for this recall. This issue puts my safety and the safety of others at serious risk, as the vehicle could lose power without warning on the road. I contacted the dealership (findlay Chevrolet, las vegas) and gm directly, but no timeline or resolution has been provided. I am now stuck with a vehicle I cannot legally or safely drive and no support from the manufacturer to resolve the issue. There were no warning lamps or prior symptoms before the recall was issued. The problem has been acknowledged by the manufacturer but remains unresolved. The vehicle has been inspected and the recall confirmed by the dealership, but they stated there is no fix currently available. I am requesting that NHTSA take this seriously and put pressure on gm to either provide a safe solution, a loaner vehicle, or a buyback program until the recall can be resolved.

Dealership is unable to remedy issue stated on recall notice in a timely manner, I stopped by today and they told me they can’t do it right now and they have no idea when they will be able to so in the meantime drive it, to which I stated just drive it and if the engine fails on me then OH well? and they said yes there’s nothing we can do right now. Ridiculous putting my family’s safety at risk if the engine fails and they won’t even do the inspections.

The contact owns a 2024 GMC Sierra 1500. The contact received notification of NHTSA campaign number: 25v274000 (engine and engine cooling); however, the part to do the recall repair was unavailable. The dealer was contacted and confirmed that the parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.