general problems of the 2024 GMC Sierra 1500 - part 1

The contact owns a 2024 GMC Sierra 1500. The contact stated that while driving at 70 mph, the vehicle unexpectedly started shaking and losing power until it completely stalled. The check engine warning light started flashing, and the warning messages "service esc" and "service traction control" were displayed. The vehicle was towed to the dealer. The contact discovered that the engine had previously been replaced by the dealer at 46,370 miles under NHTSA campaign number: 25v274000 (engine and engine cooling) under the prior owner; however, the failure recurred. The contact associated the failure with the safety recall. The dealer was contacted regarding the issue. The failure mileage was approximately 70,172.

Truck has been making a ticking noise for about the last four months. Yesterday, October 7, 2026 I stepped on the accelerator the engine paused a second and blew out gray smoke through my exhaust I saw in my rearview mirror. There is a delay in power from the time I put my foot on the accelerator when it actually gets moving faster.

The truck has shut off driving 5 times total and 3 different days, I was going down the interstate, and hwy. Speeds were ranging from 45 to 70, this is the 3rd time in the shop. At two different dealers.

I did not have anyone tell me about recalls concerning my GMC slt, when can I have what ever it takes to send me info concerning lifters, these have not had any issues yet. Will I have someone to contact me about possible lifter issue. Current miles are 18129. Thanks for your attention. Mcg.

My 2024 GMC sierra 6. 2 engine had th recall scope work done on the engine. I was told it passed and they changed the oil to the 0-40. Well apparently that was not the case and the bearings in the drive shaft and whatever holds it together broke.

I was driving my truck and I had a sudden loss of power. The engine sounded like a rattle of bolts. It was towed to the dealership and they replaced the engine.

On 9-5-26 while on interstate 75 going about 75 miles per hour truck started losing propulsion and speed started dropping. No warning light or anything. Navigated over to shoulder turn truck off for about 5-10 minutes and started back. On 9-8-26 on the way from dr. Appt. Starting truck up it acted like it didn't want to start but did. Eventually stopped at red light and truck died and wouldn't start. Dash board lighting up and when trying to start the engine would not turn over. No warning light or anything. Truck towed but had to drag on the wrecker due to wheels locked up. On 9-16 GMC advised engine fail and will need replacing at 12,000 miles. Very unacceptable for 2024. Truck was bought new in October 2023 with 4 miles. Found out it is a known issue with the 6. 2 v8. Be careful. We could have been killed in the flow of traffic and truck losing power with no warning. Couldn't even turn hazard lights on or anything. 18 wheelers coming all around and we trying to navigate to safe spot on the shoulder when we was on the interstate. GMC need to get their stuff together, you are putting people lives is danger. GMC is feeling our anger right now. Who wants a new engine in a $90,000 top of the line truck.

Lifters and camshaft failure, loud clanking, & sudden power loss on the 6. 2 motor are the first noticeable signs. Instantly when everything happened check engine light, cruise control, & stabilizer lights flashed. The sudden loss of power forced the vehicle to suddenly slow down forcing my camper into the truck. I was hauling a within weight standerd camper but had difficulty bringing both the truck with the camper to a safe stop. There were no early signs or signal prior to sudden cautostrophic engine failure & all service records have been completed by a gm certified service dealer.

On 8/31/2026 at approximately 2330 hours I was driving my 6. 2l sierra home. I took a left hand turn and the engine stopped. This happened with zero warning. I attempted to restart the engine after coming to a stop and the starter clicked once and nothing happened. Had it towed to my dealership for service. I was told the engine seized and will need to be replaced. I went through the recall process earlier where I was told my engine passed inspection and the oil was replaced with heavier weight oil and I was told it was good to go.

I purchased a 2024 GMC Sierra 1500 denali ultimate equipped with the 6. 2l v8 engine on xxx. The vehicle currently has approximately 25,000 miles. On xxx, the vehicle underwent the gm recall repair related to the 6. 2l engine at don mealey Chevrolet. On xxx, approximately nine months after the recall repair, my family and I were traveling on the [xxx] with my two children inside the vehicle when the engine suddenly experienced a major failure. The vehicle became inoperable while we were traveling on the highway and had to be stopped and subsequently transported to schumacher Buick GMC in [xxx]. The failure occurred unexpectedly while the vehicle was being operated normally. Having an engine failure while traveling on a major highway with my two children in the vehicle created a significant safety concern because of the potential for loss of power and the danger associated with becoming disabled in active highway traffic. Gm has subsequently authorized replacement of the engine under warranty. The vehicle remains at the dealership awaiting completion of the engine replacement. I am reporting this failure because the vehicle had previously received the gm recall remedy for the 6. 2l engine issue and subsequently experienced a major engine failure at only approximately 25,000 miles. The failure occurred approximately nine months after the recall repair. I am concerned that the previous recall remedy may not have adequately addressed the underlying condition associated with these 6. 2l l87 engines. I am requesting that NHTSA document this failure as part of its investigation into 6. 2l l87 engine failures and evaluate whether the existing recall remedy adequately addresses the safety-related engine failure condition. Vehicle information: * [xxx] GMC [xxx] 1500 denali ultimate * 6. 2l v8 engine information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

2024 vehicle is part of the massive GMC 6. 2l engine recall. The vehicle was called into the dealership on 1/6/2026 (10,437 miles / 320. 9 engine hours) for recall evaluation. Testing indicated vehicle was not a candidate for a new motor so oil and oil filter were changed to 0w-40 and I was sent on my way. Vehicle started a tapping noise at idle. Dealer advised the next week was the soonest I could be seen so I set up an appointment for Monday 8/31/2026 . I used the vehicle on Saturday [xxx] and while returning home it began making a racket emitting all types of terrible noises. I was only a few miles from the dealer so I limped into the dealship and left the vehicle on their lot. I spoke to the dealership on Monday 8/31/26 and was advised the vehicle would be evaluated later that day. I spoke to the dealership on Tuesday 9/1/26 and was advised the 6. 2l engine had failed (13,591 miles) and parts had been ordered. Dealer advised it would probably be 6 - 8 weeks to get the truck returned. I am a trailer boater and also pull a trailer with a side by side. These activities are why I own a truck. Dealer advised I could get a loaner vehicle but that it was illegal to tow a trailer in illinois with dealer plates. I ended up trading the vehicle for a new truck and suffered a large unplanned expense ( $20,537) as a result. Since the vehicle had failed and was not driveable it was impossible for me to go elsewhere to trade in this vehicle to a competitor. As a result of the failure I feel I was held hostage to buy another GMC. The vehicle did not show any abnormal gage readings or dispaly any warnings. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Driving at approximately 45 mph on berthod pass in CO, towing a snowmobile flatbed trailer, when dash display indicated "low oil pressure, turn off engine". By the time I could read that, the engine was already off and I was all over the road trying to find a way to get off the highway. I did not have opportunity to get off highway, and ended up against a barrier, and partially remaining in traffic. Gm towed the car (not the trailer, I had to do that myself) to a dealer quite some distance from my home as opposed to the dealer where I purchased the truck. Then they told me they towed it to a different dealer. After recovering my stuff, I went to the dealer where the truck was, and they said they couldn't look at it for several days. I could not wait several days simply to find out it was going to be a couple of months before id have the truck back. I traded it in on another, larger GMC simply to get out of that engine. What I learned though, is that gm used that exchange to make about $20k. This was more the dealer, but they are part of gm. My original truck was priced below book, and not the book the public can see, but the book they say they go by. They paid me $51k on an $87k truck for trade value. Then they sold the new truck at full price, no break. I was in disaster mode, as I had a large family gathering I was preparing for at our cabin, and did not have time to fight with them. The reason for the low book trade-in value was that the value of these trucks has plummeted because of the very reasons I was replacing it, gm's failure on those engines. My original truck had about 30k miles on it when it blew. The dealer told me that the one I was replacing it with (2026 sierra hd with 6. 6l turbo diesel) would get similar mileage, but that was untrue. I get about half the mileage I got in the first truck, and the price of diesel is about 20% more than gas. So they found a sucker on the first truck, then that same sucker bought the second one.

I received a notice months ago for possible engine problems. My dealer checked it out and everything was good except for changing oil from 0w-20 to 0w-40. I was in atlanta, GA on 8/26 and by the time I got home on 8/27, engine was knocking. I barely made it home. The dealer has had the truck since. They said I have to have a new engine. No idea when they will get one inn or when I will get my truck back. I opened a claim with gm (case #108927907). Gm basically offered no assistance, help, etc. I even tried to trade the truck back to my local gm dealership for another truck and they wouldn't offer enough on trade inn (says they wouldn't be able to sell it), gm corporate wouldn't offer buy back, loyalty program money, etc. As they claim it's under a recall. I have never received anything about a recall for the engine. Local Ford or Toyota dealerships will not even consider taking it in on a trade after new engine, says they cannot sell because of engine issue with 6. 2l engine. So I'm stuck with a truck that I cannot sell or trade and is now worthless. I'm sure the new engine will fail as well.

Driving at highway speed vehicle began making odd engine noises and then lost power, pulled over and power continued to diminish until vehicle was no longer operable.

My vehicle has experienced repeated and unresolved electrical system failures and unexpected loss of power steering assist. The problem involves multiple warning lights, module communication faults, drivability issues, and simultaneous malfunctions affecting systems including power steering, traction control, transmission, four-wheel drive, and other electronic controls. Repair records, diagnostic information, and videos documenting the failures are available for inspection upon request. The most serious incident occurred on August 23, 2026, when the power steering failed unexpectedly while I was driving. The sudden loss of steering assist made the vehicle difficult to control and nearly resulted in a collision with an oncoming vehicle. The failure created a significant safety risk because it impaired my ability to safely steer and control the vehicle. The condition has occurred multiple times over several months and has resulted in repeated dealership visits. Repairs have included replacement an hvac controller, but the failures have continued. The vehicle has been inspected multiple times by an authorized dealer, and the manufacturer has been notified through an open support case. As of the most recent repair visit, no confirmed root cause or permanent repair had been identified, and the dealership was still working with engineering support to diagnose the issue. Prior to and during these failures, numerous warning lamps and service messages appeared, including warnings related to power steering, traction control, transmission, four-wheel drive, trailer brake system, steering column lock, and tire monitoring systems. In some incidents, the vehicle entered reduced-performance mode. These warning messages first appeared in November 2025 and have continued intermittently despite multiple repair attempts. The recurring and unresolved loss of power steering assist while driving creates an ongoing risk of crash or injury.

I have a 2024 GMC 6. 2 original motor blew up at 39,000 miles. Got a new motor installed it blew up at 44,000. Now they are about to install the third motor after it’s already had two of the same failure. Second failure broke down on the interstate were three lanes turned into one above a hill. It was very dangerous.

I was driving north/east on [xxx] just outside of [xxx]. After accelerating to give another driver room to move out of his lane that was ending, I lost propulsion/power. The sierra went into neutral and told me something like "press start to resume". I had to immediately get off the interstate as I was rapidly losing speed. I was able to pull over to the shoulder of the interstate on the right, just before exit 2. After getting the vehicle parked, I was never able to restart the vehicle. The motor would not turn over. The display screens kept cycling between a blank display and a display that looked like the vehicle was on but the engine never turned on. When I tried to start the car, I got a message of "conditions not correct for shift". We could not even get the vehicle into neutral. I used onstar to get state patrol to show up and put lights behind us for safety. Onstar should have a recording of this call. This was on Saturday xxx in the ballpark of 2:30 pm central time. I would imagine the officer also filed a report, but I did not get it. The vehicle was towed to billion GMC in iowa city. Billion GMC said their initial suspicion is the 6. 2l motor failed / locked up on us as this is know issue that is subject of a class action lawsuit. These vehicles are not safe to be on the highway, someone is going to get seriously injured, please do everything you can to get these 6. 2l engines off the road before someone dies. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

My 2024 l87 already had the recall done and was changed over to 0w40 oil. Driving down the road at 70 mph the engine just shut off and I had to coast to the side of the road. Checked engine codes and found p0016. Had to have the truck towed to the dealership where they replaced the engine. Clearly the 0w40 did not fix the problem.

19k first engine replacement 25k 2nd engine replacement.

Was traveling home and started losing power going up a hill on xxx. The truck was surging, the check engine light came on and an audible warning of no (low?) oil pressure. The truck shut off on a busy interstate highway and barely got onto the shoulder. The tow truck driver had to lay on the ground with part of his body in the lane of travel to place "skids" under the rear tires because there is no way to place this vehicle in neutral for a tow without a special gm tool. When I contacted harry robinson GMC service center in [xxx], they told me that it was no longer a safety recall because the truck had passed diagnostics and new, high viscosity oil was put in the truck xxx. The GMC app says code p0016 which is the dreaded 6. 2l camshaft to crankshaft alignment that accompanies engine component failure. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Whole engine replacement at 20000 miles.

Lifter failure at 20000 miles.

Ever since I bought this truck new, I noticed a lot of metal shavings and debris in the oil filter every single time I changed the oil. I took it to the dealership multiple times to have this looked into before the engine recall came out. The dealership took pictures of the metal and sent them to a general motors engineer, but the engineer just told them it was "normal. " later on, the truck went in for the official recall inspection, passed the pico test, and nothing was fixed. Then on August 4, 2026, I was driving on a crowded expressway right through a construction zone with absolutely no shoulder to pull over on. Out of nowhere, the truck started hesitating badly, lost power, and the engine started making a really loud knocking noise. It was barely running, and it was incredibly dangerous because there was nowhere to go and traffic was heavy. Luckily, I was able to limp the truck along just far enough to clear the construction zone and pull over safely.

Ever since I bought this truck new, I noticed a lot of metal shavings and debris in the oil filter every single time I changed the oil. I took it to the dealership multiple times to have this looked into before the engine recall came out. The dealership took pictures of the metal and sent them to a general motors engineer, but the engineer just told them it was "normal. " later on, the truck went in for the official recall inspection, passed the pico test, and nothing was fixed. Then on August 4, 2026, I was driving on a crowded expressway right through a construction zone with absolutely no shoulder to pull over on. Out of nowhere, the truck started hesitating badly, lost power, and the engine started making a really loud knocking noise. It barely ran, and it was incredibly dangerous because there was nowhere to go and traffic was heavy. Luckily, I was able to limp the truck along just far enough to clear the construction zone and pull over safely. The truck was towed to the dealer were they confirmed the engine was blown, and needs replaced.

After the initial recall inspection was performed, I was informed that my vehicle was not affected. Subsequently, the vehicle experienced a catastrophic engine failure while traveling westbound on [xxx] near [xxx], approximately one mile from [xxx]. While traveling at highway speed, the vehicle suddenly began losing speed and power. I was positioned between two semi-trucks, creating an extremely dangerous situation. At first, I looked to see if I was traveling uphill because of the unexpected loss of speed. I then pressed the accelerator in an attempt to maintain highway speed. The vehicle abruptly downshifted and the engine rpm increased dramatically. Immediately afterward, warnings appeared on the instrument cluster, including “engine oil temperature high” and instructions to pull over and allow the vehicle to cool down. The vehicle continued to lose power, creating a serious risk of collision due to the surrounding highway traffic. The vehicle was subsequently towed to findlay GMC, where it was inspected and diagnosed with a failed engine. The engine was ultimately replaced. This failure occurred after the vehicle had been inspected under the recall and I had been advised that it was not affected. I am concerned that my vehicle may have been incorrectly excluded from the recall or that the recall does not adequately identify all affected vehicles. The sudden loss of propulsion at highway speed presented a significant safety risk and warrants further investigation. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

I bought my 2024 GMC Sierra 1500 at4x with 15000 miles, they did the recall, pico test, changed oil type and put new oil cap on and at 30000 the engine had to be replaced.

On [xxx] I was driving my 2024 GMC Sierra 1500 VIN # [xxx] on a major highway in houston when without warning the engine shut off, stranding me in the middle of busy traffic. I was able to get to the shoulder and restart the truck, but no warning lights came on so I continued on my drive when approximately 20 minutes later, while still on a busy freeway, the engine shut off again. I was able to restart the truck and within another 15 minutes the check engine light appeared, the engine lost power and started making a loud rattling noise. Roughly 2 minutes later, as I was attempting to pull over to the shoulder and safety, the truck shut off and would not restart. This was the 3rd time for it to stall out on a busy freeway which was very dangerous for myself and the other drivers. I contacted the local chevy dealership and they sent a tow truck out to tow the truck back to their dealership service center. I was later contacted by a service advisor that said they found a code p0016. He informed me that the engine would need to be replaced. As of today 8/11/26, they are still waiting on backordered parts to arrive before they can even start on any repairs. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Unknown. Went in to get inspection for the recall on the motor and it failed the test so motor was replaced. Now the I've hade the motor for 9 moths started hearing knocking in the motor and losing power.

I was driving on the highway when the vehicle started to make clinking noises. The vehicle started to lose power as I accelerated it would feel like something was pulling me in the opposite direction and the knocking noise would get louder. Ultimately, I had the vehicle towed to a dealership. This vehicle passed the l87 recall not too long ago, and the vehicle is barely used.

The engine blew.

Engine stopped working while driving 65 mph on i435 kansas city. Engine failure had to pull over in 3 lane traffic to get off of roadway. Engine just stopped working. Had towed to gm dealer who performed full engine replacement. 6. 2 l . No warning. Just stopped working. Safety traveling on 3 land highway engine stopped with no warning had to work way over the shoulder with no engine.

My vehicle is under the l87 recall from gm for engine failure. In September 2025 it was given the recall “fix”, different thicker oil. But on July 1 2026, my engine seized while I was driving 60 mph on the highway. Gm has since replaced the entire engine and the radiator. But the “fix” obviously did not work.

I was driving at normal highway speed. I exited the highway and started to deceleration for an upcoming traffic light. The engine started making a lot of noise. The 6. 2l engine has 31k miles on it. Oil changes have been completed at the dealership where I purchased the sierra denali. I called the dealership and the service writer could hear the engine noise. He asked if I could get it to the dealership which was about 15 miles away. I tried but the truck stopped about 7 miles from the dealership. They told me to call the onstar service and get a tow. The dealership said it will take about six weeks to get a new engine. In the meantime I'm making payments on an eighty thousand dollar vehicle I can't use. Someone needs to hold gm accountable for the lack of urgency in getting this problem fixed!.

On 06/26/26, I was driving my 2024 GMC Sierra 1500 at4 with 6. 2 engine (Aug. 2024 engine build date) with 27,614 miles down the highway at 60-65mph and my rpms started jumping and I lost engine power and received this p0016 error message. I was able to coast off the highway at the next exit but this put me and my family at risk. Once I was able to coast into a parking lot, my truck wouldn't start anymore. My dealer picked up my truck and the engine was on backorder and then was replaced and I got the truck back on 08/21/26.

The vehicle was part of the gm l87 engine recall. The vehicle was taken to the dealership in late 2025 for recall service. The dealership inspected the vehicle for vibration and determined that it required an oil change and updated service manual to require 0w-40 oil. On June 21, 2026 the vehicle experienced an engine failure.