The truck was a part of the L87 recall inlcuding the 6.2L engines. It passed their pico inspection. They changed the oil. I was driving down the interstate in Memphis rush hour traffic with my daughter in the backseat and suddenly lost all propulsion. The dash said please start truck. I lost all power to the engine. I had to navigate high speed traffic and merge lanes safely. The cars stuck behind me, myself and family, and others nearby could've been in a wreck because of this issue. We were stuck on the side of the interstate waiting for a tow truck. It was towed to the nearby dealer where it sat waiting for the engine to be replaced for a couple of months. We are extremely lucky that the large trucks did not run us over. GM has since replaced the engine with another remanufactured engine that is already making noises similar to the one it had before. What is going to happen when we are in an accident due to GM's negligence and continued issues with this engine?
2022 GMC Sierra 1500 engine complaints
Page 4 of 10: complaints 71 to 100 of 270, newest first, as owners wrote them.
The coolant control valve failed. This is a known failure point of poor design and on every other truck from 2019-2023 with the duramx LM2/LZ0 engine, they are covered by a special service warranty to 150,000 miles. GM knows this items fails and puts consumers lives at risk when the failure throws the truck into limp mode on the freeway. They refuse to do a recall to avoid doing the right thing. This is deceptive and wrong.
My gmc sierra Denali 2022 equipped with the 6.2 motor locked up while I was driving pulling me out of the road.
The contact owns a 2022 GMC Sierra 1500. The contact received notification of the federal safety agency Campaign Number: 25V274000 (ENGINE AND ENGINE COOLING). The contact had parked the vehicle in a parking space when the engine seized. No warning lights illuminated. The vehicle failed to restart and was towed to the dealer, where it was diagnosed and determined that the fuel system control module had failed. The contact was informed that the part to do the recall repair was not yet available. The vehicle remained at the dealer unrepaired. 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 failure mileage was approximately 90,000.
L87 Catastrophic Engine Failure on second engine after 6300 miles. This is the second issue with the 6.2L engine in my Sierra 1500. The first engine passed the L87 Engine Loss of Propulsion field action and then suffered Catastrophic Engine Failure a month later. The replacement engine procedure took over 3 weeks to perform and no rental or loaner vehicle was provided by GM or the servicing dealership. The vehicle is currently in the service department at another dealership awaiting the 2nd engine replacement, but it has been over 2 weeks since the engine failure. This servicing dealer has provided a vehicle to use. This has been a very frustrating ordeal and I feel that resell and value of this vehicle has been compromised and GM has done nothing to offset this with me.
The vehicle is subject to Safety Recall N252494001 (the federal safety agency Campaign 25V‑274) due to manufacturing defects in the engine crankshaft and connecting rod bearings. • Component/System Failed: The 6.2L V8 (L87) engine crankshaft and connecting rod assembly. The engine is available for inspection upon request. • Safety Risk: The defect can cause catastrophic engine damage and sudden loss of propulsion while driving, significantly increasing the risk of a crash. • Dealer/Manufacturer Confirmation: The problem was confirmed via the issuance of Safety Recall N252494001. A dealership inspection was performed previously as part of the recall. • Warning Signs/Symptoms: Common symptoms include engine knocking, check engine lights, and hesitation before sudden failure. The Issue with the Remedy: Federal law (49 U.S.C. § 30120) requires manufacturers to remedy safety defects "without charge". As a permanent safety remedy for this defect, GM has mandated a switch from 0W-20 to 0W-40 (dexosR) oil for the life of the engine to prevent bearing failure. However, the dealership and manufacturer are refusing to provide this mandated safety spec change without an ongoing $85 surcharge per oil change. While they performed the initial "inspection" oil change for free, they are now using the recall-mandated spec change to create a financial burden on the consumer. Because 0W-40 is now the mandatory factory requirement to prevent the safety defect, charging a premium for it constitutes a failure to provide the recall remedy "without charge." General Motors refuses to offset this cost, effectively penalizing the owner for a manufacturer safety defect. The dealership is also failing to honor my Platinum Wrap warranty and GM Prepaid service contract to perform the continued oil changes without additional charges.
See attached document for complaint.
While driving I get a reduced acceleration warning on my dash cluster, drastically reducing horse power. My check engine light came on. This has happened before. I checked the code and it was a P1098 code. After researching I found out it was the Engine coolant control valve. My fan is constantly running. This issue is ongoing. This seems to be a common occurrence with my vehicle year.
My GM Dealership completed the GM 6.2 Engine Inspection and recommended Oil Replacement as part of the 6.2 Engine Recall. Roughly 5,000 miles after this service, the engine failed. I attempted to accelerate from 45-65 miles per hour while getting on the highway, and the engine seized up. I was able to coast/steer the vehicle to the side of the road. The vehicle's starter could not crank the engine. I had the vehicle towed to the shop where the dealership confirmed the engine had seized. The dealership and GM replaced the engine under a warranty repair. I am making you aware of this situation, as the manufacturers suggested solution to the engine issue (The Change in Oil Type, Filter and Cap) did not prevent the engine from failing.
engine recall 6.2 L-87 , after Pico scoop Test, which my truck passed, its using 2 plus quarts of oil per 1000 miles, the dealer has it and is saying they can find nothing wrong per the gm tech that is telling them to check this and that. Ok, oil is going somewhere, I want the motor replaced , they want to continue the oil consumption test, my thing is wasting my time to continue driving and bring back to it back for a low oil reading, Its not gonna fix its self by driving it. I understand gm wants to figure out why, but it should not be at customers time , replace the motor all ready, something is wrong. the first 1000 miles after a oil change and they put die in the oil to check for leaks. When They check the oil level friday 02/06/26 the oil did not read on the dip stick.
54k miles. Crankshaft failure. Truck shut off and put in neutral while driving with no codes on dash. Got a text saying to service engine and transmission immediately. On a side note, it is bullshit that you can't put the truck in neutral to get it off the road. The dealership is also doing a great job covering it and offering a loaner.
To start off my truck has been to the dealership multiple time for the camera. After third time in the shop they fixed that issue. Then the infotainment started acting up after about 4 times in the shop it was fixed. They gave me the prescribed fix for the engine recall in november. Engine passed the test. Then 3 weeks ago the engine siezed up from the crank and bearings on the interstate doing 70 pulling a trailer in traffic. Leaveing me and my dad in the middle of the interstate. I had to have it towed 2 hours to my house. After the prescribed engine fix. They replaced the motor in 3 days. Great right? No they did not test drive long enough. Or they would have felt the shudder that developed after the new engine went in. It is now about to go back to the shop. Because of the shudder at low rpm and im haveing electrical issues again as well . My remote start also stopped working after the engine replacement.
I purchased my vehicle in June 2025. In January of 2026 the vehicle would sometimes shut down at red lights, requiring me to restart. No engine codes would pop up. On Jan. 16th, 2026, I exited my vehicle and heard a “cow bell clunking” coming from the engine area. I scheduled a service, and I was informed that the issue was part of the GM recall for 6.2L engines. This concerned me, because my vehicle had already had the “remedy” for the recall (changing engine oil type) prior to me purchasing it Certified Pre-Owned, and the engine still failed. The dealer I brought the truck to did a full engine (and appropriate parts) replacement as part of the open recall.
after i had the car inspected per thier recall on potential engines issues, the car passed and was told no issues. 6 months later driving on highway with family during rush hour and suffered complete engine failure going 70 mph. Lucky not to have been hit from behind. scary to be on highway like that. It was freezing outside. Dont understand being told car is fine and then this happens.
On November 16, while driving on the highway, my GMC vehicle suddenly lost engine power without warning. I was forced to stop in traffic, creating a dangerous situation and putting my life at risk. The vehicle required towing and has remained at the dealership since that date. The dealership determined that the engine requires replacement. Repairs have been significantly delayed, including an incorrectly ordered replacement engine, and the vehicle remains out of service more than two months later. This defect caused a sudden loss of power while driving and presents a serious safety concern.After the incident, I contacted the dealership immediately. Diagnostic appointments were scheduled and then canceled by the dealership twice, which delayed inspection and repair. I was only able to leave the vehicle at the dealership on December 12 due to these delays.
My vehicle stop running as I approached a traffic signal and failed to restart, it happened at a heavy traffic intersection during morning commute,I had the vehicle towed to Dealership that same day (01-22-2026). Later that evening the dealership called to inform me that the motor was blown and had ordered a new one.the mileage is approximately 39,285.
My TAILGATE kept opening randomly and ENGINE WAS MAKING CLUNKING SOUND initially. Lost many tools on the highway once when it opened. Dealership told me my truck is not covered under a recall for both issues, even though other similar vehicles are. I refused to pay anything to have it fixed. They claimed my truck “wasn’t built in the factory that has recalls”. A month later the STARTER AND BATTERY burned up when I started up the truck, something locked up it sounded like. Eventually it started but didn’t sound right. A few days later the engine finally blew up. I paid out of pocket for everything for that trip. It’s currently back at the dealer being repaired with a new engine for the recall but GMC refuses to pay for the initial clunking/starter/battery and the tailgate issues. I’ve encored so many charges with tows and rentals from all these issues. I would like full reimbursement for everything.
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 PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
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 dealership that I now need a transmission replacement. As a loyal GM customer, GM has to do better.
I had a lifter fail which is a well known problem for these GM engines. The lifter caused the cam shaft to be damaged because of the lobes being shaved off. Now I’m being told that it will be over $10,000 fix a 3 year old truck.
Radiator is leaking where plastic meets metal. Leaking coolant at upper corner driver side. This is crazy for a 70k truck. It is a known problem. Dealer refused to submit a claim to GM. I am seeing people get theses replaced. It has been an issue since coolant control Valve was replaced.
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 diagnosed or repaired. The contact stated that the vehicle was repaired under the federal safety agency Campaign Number: 25V274000 (Engine and Engine Cooling) by the same dealer. The contact stated that the dealer had tested the engine and added thicker viscosity oil. The contact related the failure to the recall work. The manufacturer was not informed of the failure. The failure mileage was approximately 25,000.
My 2022 GMC Sierra Denali Limited (6.2L L87) had an engine recall performed by an authorized GMC dealer (Paul Masse Buick GMC) in November 2025. Prior to the recall service, the vehicle had no check-engine lights, no drivability issues, and no knock-related symptoms. Immediately after picking up the vehicle from the recall service, the check-engine light illuminated within seconds of leaving the dealership parking lot. I returned the vehicle immediately. The dealer diagnosed a failed knock sensor and replaced it at my expense. There were no prior warning signs or symptoms before the recall visit. General Motors declined responsibility, classifying the issue as an out-of-warranty repair and confirming only that the recall procedure was followed. GM did not evaluate whether dealer handling, component disturbance, or recall-related activity contributed to the immediate failure. I am submitting this complaint because the failure occurred directly after recall service, suggesting a possible recall-adjacent issue or unintended consequence of recall procedures, and because GM declined to investigate causation beyond procedural compliance.
There was engine failure whereby the pushrods were ticking extremely hard. After towing the vehicle to the repair shop, it was determined that a new engine would be needed. The cost for repair was $11,500.00 dollars. The original engine has approximately 75,000 miles.
My truck went into "limp" mode and had very little power. It was towed to the dealership where they diagnosed the issue as a bad solenoid causing the engine misfires. The solenoid was replaced, but the issue was not fixed. Now the dealership is stating the engine has bent lifters and the repairs will not be covered under the ongoing massive engine recall. The vehicle had the pico test on 9/17 and it "passed", but less than 3k miles later and the engine failed. This is a clear safety issue and well known by the federal safety agency and GM. Now I'm negotiating with the dealership to cover repairs and my truck has been gone nearly a month.
Purchased vehicle in July 2025. Started having the engine failure issues described in recall "L87 Engine Loss of Propulsion (Related field action: See Special Coverage N252494003)". GM says that the recall work was completed in May of 2025, however, the same exact issue as described in the recall exists. Engine fails during vehicle operation, the vehicle will lose propulsion, increasing the risk of a crash. We believe the recall fix was not performed properly as vehicle has same issue. Dealership has not helped us and GM referred us to you.
The CAM Sensor Failed and the reluctor ring was chipped. They could not determine without spending hours taking a part the engine if it was a piece of metal from the current recall that chipped off and broke the reluctor ring. No problems until immediate failure and had to had the car towed to the shop to identify issue.
The engine in my vehicle has failed twice while driving at highway speed. Both times, the engine suddenly stalled without warning, causing an immediate loss of propulsion, lighting, and steering assist. Each failure occurred at night, and I had to coast to the shoulder in the dark with limited control while other vehicles traveled at high speed. During the second incident, two children were in the vehicle. Both events created a serious risk of a collision or injury. The failure involves the primary propulsion system. After the first incident, the dealer replaced the engine and performed recall-related updates. Months later, the replacement engine failed in the same way. The dealer inspected the vehicle after each incident, confirmed the failures, and is replacing the engine again. The issue has therefore been reproduced and verified by the service center. There were no warning lights, messages, noises, or drivability symptoms before either failure. The engine stalled suddenly both times. A separate exterior trim piece, previously repaired under a recall, also detached while driving, adding an additional hazard. Both engine failures and the sudden loss of lighting and power created a clear and immediate safety risk to occupants and surrounding traffic. The repeated nature of the defect after a full engine replacement raises concern that the underlying issue has not been resolved.
The contact owns a 2022 GMC Sierra 1500. The contact stated that on several occasions while driving at speeds over 20 MPH, the vehicle began shaking and the transmission shifted prematurely and hard. The contact stated that the check engine, traction control, ABS, transmission, and other unknown warning lights were intermittently illuminated. The contact stated that on one occasion while driving at an undisclosed speed, the brake was depressed; however, the vehicle failed to slow down as intended. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 46,000.
The contact owns a 2022 GMC Sierra 1500. The contact stated that while operating the vehicle, the check engine warning light illuminated. The vehicle was taken to the local O'Reilly's, who diagnosed that the cylinder #2 glow plug had failed and needed to be replaced. The vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure and informed the contact that the VIN was not included in the Manufacturer's Special Coverage that was related to the failure. The contact stated that the special coverage service was for the previous model years with a 3.0-liter turbo diesel engine that had experienced the same failure. The failure mileage was 38,773.
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