On January 24, 2026, my wife was driving the vehicle we purchased in May 2025 from Ziegler GMC in Lincolnwood, Illinois. While traveling on the highway in WI the vehicle suddenly lost power without warning. She was traveling with our [XXX] son at the time and was able to safely maneuver the vehicle off the highway onto an exit …
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On January 24, 2026, my wife was driving the vehicle we purchased in May 2025 from Ziegler GMC in Lincolnwood, Illinois. While traveling on the highway in WI the vehicle suddenly lost power without warning. She was traveling with our [XXX] son at the time and was able to safely maneuver the vehicle off the highway onto an exit ramp. Despite multiple attempts, the vehicle would not restart. She contacted me and arranged for a tow. We waited approximately four hours for roadside assistance before the vehicle was towed to the nearest GMC dealership, located roughly one mile from where the breakdown occurred. Several days later, the dealership completed diagnostics and informed us that the engine required full replacement. At that time, no replacement vehicle was provided. Approximately one week later, we were finally issued a loaner vehicle. As of today, the vehicle has remained in the shop continuously since January 24. On February 23, we were informed that the necessary parts had only just arrived. There is still no estimated completion date for the repair. The vehicle is covered under both the manufacturer’s warranty and an extended warranty. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA ODI #11720338
Mileage unknown · Feb 24, 2026
Engine
Engine Failed after driving 121 miles on Highway from Austin to Sealy. As I exited the Hwy. The motor quit, and would not start. It was stranded in a turn lane at the exit. Tow truck has to remove car from road and tow to dealership where they diagnosed the engine failure
NHTSA ODI #11720160
Mileage unknown · Feb 18, 2026
Engine
Engine failure occurred while transferring passengers in a busy road. The vehicle started making noises at first I thought it was a belt that might have been going bad. I looked at all the gages which did not indicate any issues with the battery or oil pressure or any vital issues that might show and merged to the right lane. Le…
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Engine failure occurred while transferring passengers in a busy road. The vehicle started making noises at first I thought it was a belt that might have been going bad. I looked at all the gages which did not indicate any issues with the battery or oil pressure or any vital issues that might show and merged to the right lane. Less than 2 miles down the road engine shut off and I was able to coast into a parking lot. I took this vehicle as requested for the recall and the only recommendation was to start using OS 0W40 and a new oil cap indicating the required oil type. These vehicles should be pulled off the roads, they create a huge safety hazard on our roads and sooner or later someone is going to get killed.
NHTSA ODI #11718726
Mileage unknown · Feb 12, 2026
Engine
GM released a special warranty for the coolant control valve. My vin number does not qualify but it is currently at the dealership getting replaced because it failed. I don't understand how the same exact vehicle with a different Vin qualifies but mine does not. I am within the time frame and mileage of their warranty for their …
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GM released a special warranty for the coolant control valve. My vin number does not qualify but it is currently at the dealership getting replaced because it failed. I don't understand how the same exact vehicle with a different Vin qualifies but mine does not. I am within the time frame and mileage of their warranty for their special coverage but because my vin isn't on the list I don't get the special coverage/warranty.
NHTSA ODI #11717610
Mileage unknown · Jan 29, 2026
Engine
Traveling at 70MPH the engine failed. There were no warning lights or alerts prior to the engine failing. No power at all after failure. Was able to coast to the shoulder of the busy highway without getting into an accident but was then left stranded as the engine would not restart. Upon inspection at GMC dealer I was inform…
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Traveling at 70MPH the engine failed. There were no warning lights or alerts prior to the engine failing. No power at all after failure. Was able to coast to the shoulder of the busy highway without getting into an accident but was then left stranded as the engine would not restart. Upon inspection at GMC dealer I was informed there was a "catastrophic engine failure" and the entire engine would need to be replaced. Note this vehicle was subject a recall for similar engine failures and deemed not to be at risk after inspection by a GMC dealership.
NHTSA ODI #11714151
Mileage unknown · Jan 29, 2026
Engine
Engine was replaced pursuant to Recall 25V-274. We have driven approximately 4,000 miles since the engine was replaced and all of the oil in the car is “gone”. This match’s with other consumers grouped in investigation RQ26001.
NHTSA ODI #11714099
Mileage unknown · Jan 28, 2026
EngineForward Collision AvoidancePower Train
Two weeks ago I heard a faint ticking sound. I had a professional look at it and they said that I had a cylinder sticking and to add an additive the next oil change. I still had 1,500 miles until then and so I did not do that. That noise stopped a day later. Last Friday, it started to tick again, and then it got very loud. I liv…
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Two weeks ago I heard a faint ticking sound. I had a professional look at it and they said that I had a cylinder sticking and to add an additive the next oil change. I still had 1,500 miles until then and so I did not do that. That noise stopped a day later. Last Friday, it started to tick again, and then it got very loud. I live rurally and was 45 minutes from home. The engine went from ticking to full clunking and very low power in just a moment. I luckily found a small engine shop to check the codes, but as I was parked there, the car would not go in reverse! He had to clear the codes to get it to go into reverse. I had to then slowly drive 45 minutes back to our small town. I drove to and immediately parked it at our local repair shop. It can not be driven now. The lights that came on were the Rear axle system off, forward collision system, service traction control, engine light flashing, and service ESC light. Not to forget that it would not go into reverse. Also the suspension system seemed to malfunction and not lift or lower the car.It seemed to clunk and try, but nothing happened. The whole car basically went down. I see there is a recall for this year or car, but my VIN is not included. I am hoping that it will be included as the repair shop is telling me it will be close to $10,000.
NHTSA ODI #11714036
Mileage unknown · Jan 20, 2026
Electrical SystemEngineFuel/propulsion System
On 8/22/25 was brought to my local GMC dealer for the L87 engine propulsion recall. The dealership tested and said the vehicle passed the test. On 12/3/25 while driving on a multi lane highway the vehicle engine stopped abruptly. The message restart engine appeared on the dashboard. I had to negotiate other vehicle travelling at…
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On 8/22/25 was brought to my local GMC dealer for the L87 engine propulsion recall. The dealership tested and said the vehicle passed the test. On 12/3/25 while driving on a multi lane highway the vehicle engine stopped abruptly. The message restart engine appeared on the dashboard. I had to negotiate other vehicle travelling at highway speeds to get to coast off to a side street. The transmission went into "park" and could not be shifted to neutral with a message on the dashboard "transmission cannot be shifted in this configuration". I was blocking the roadway and responding police asked that I attempt to restart the vehicle. I did this numerous times but would not start and the battery ran down. The vehicle was towed to the GMC dealer who said the battery failed and replaced it at my cost even after I told them it was fine and run down from trying to start numerous times while blocking traffic. On 12/17/25 while trying on the same highway, the engine abruptly shut off again in high speed traffic with the same message. I couldn't get fully in the shoulder dye to residual snow from plowing coasting powerless as the vehicle slowed. The transmission locked into park again and I ended up getting towed back to the GMC dealership. They advised me the engine seized up and would have to be replaced. I am still waiting to get the vehicle back
NHTSA ODI #11712083
Mileage unknown · Jan 20, 2026
Engine
While driving on a major highway at approximately 60 to 65 mph the vehicle shut down loss of power and steering without any warning lights. I was able to safely maneuver the vehicle to the emergency lane and contacted AAA to have it towed to nearest dealership. A fuel pump module was replaced- I have been following gmc recent…
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While driving on a major highway at approximately 60 to 65 mph the vehicle shut down loss of power and steering without any warning lights. I was able to safely maneuver the vehicle to the emergency lane and contacted AAA to have it towed to nearest dealership. A fuel pump module was replaced- I have been following gmc recent recall of 600k which gives same scenario for their larger engine failure not including the 5.3L Ecotec V8 that I own. I experienced the same failure. Although it was fixed as a sensor module fault, I believe it’s a bigger problem that is not being addressed.
NHTSA ODI #11712037
Mileage unknown · Dec 16, 2025
EngineFuel/propulsion SystemUnknown Or Other
I am writing to formally express my dissatisfaction with the vehicle I purchased from your dealership. Despite my expectations at the time of purchase, the vehicle has not met the standards that were represented to me. This letter is intended to address my concerns regarding the vehicle’s features, undisclosed recalls, and signi…
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I am writing to formally express my dissatisfaction with the vehicle I purchased from your dealership. Despite my expectations at the time of purchase, the vehicle has not met the standards that were represented to me. This letter is intended to address my concerns regarding the vehicle’s features, undisclosed recalls, and significant mechanical and safety issues discovered immediately after delivery. I discovered—through the GMC mobile application, not through the dealership—that the vehicle had two to three active recalls at the time I received it, including recalls involving the engine and transmission. I was never informed of these recalls by the dealership prior to or at the time of sale, which is extremely concerning. After discovering the recalls myself, I scheduled a service appointment. I was informed that the recalls were addressed and marked as resolved in GMC Springdale. Despite the recalls being cleared, only two days later, the vehicle began experiencing issues. The screen displayed warning messages, and the vehicle developed a vibration, to the point that it became unsafe to drive. They are changing us $820+tax I was forced to use roadside assistance, it hasn't been a month yet and the dealer are refusing to cover the damage. I have been calling but they said they are busy or they use somebody else to speak.
General Motors, LLC (GM) is recalling certain 2022 Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, GMC Yukon XL, Cadillac Escalade, and Cadillac Escalade ESV vehicles equipped with 10 Speed Transmission with ETRS (Electronic Transmission Range Select). The transmission control valve may fail and lock up the rear wheels.
Consequence & remedy
Consequence: Rear wheels that lock up while driving increase the risk of a crash.
Remedy: Dealers will install new transmission control module (TCM) software, free of charge. Owner notification letters were mailed April 7, 2026. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252536750. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.
Additional source detail variants (2)
Power Train:automatic Transmission:control Module:software
General Motors, LLC (GM) is recalling certain 2022 Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, GMC Yukon XL, Cadillac Escalade, and Cadillac Escalade ESV vehicles equipped with 10 Speed Transmission with ETRS (Electronic Transmission Range Select). The transmission control valve may fail and lock up the rear wheels.
Consequence: Rear wheels that lock up while driving increase the risk of a crash.
Remedy: Dealers will install new transmission control module (TCM) software, free of charge. Owner notification letters were mailed April 7, 2026. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252536750. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.
Power Train:automatic Transmission:fluid/lubricant:valves/valve Body
General Motors, LLC (GM) is recalling certain 2022 Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, GMC Yukon XL, Cadillac Escalade, and Cadillac Escalade ESV vehicles equipped with 10 Speed Transmission with ETRS (Electronic Transmission Range Select). The transmission control valve may fail and lock up the rear wheels.
Consequence: Rear wheels that lock up while driving increase the risk of a crash.
Remedy: Dealers will install new transmission control module (TCM) software, free of charge. Owner notification letters were mailed April 7, 2026. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252536750. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.
General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft engine components may have manufacturing defects that can lead to engine damage and engine failure.
Consequence & remedy
Consequence: Engine failure increases the risk of a crash.
Remedy: Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filter, and update the owner's manual. Repairs will be performed free of charge. Owner notification letters were mailed June 18, 2025. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252494000.
General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The daytime running lights (DRLs) may not deactivate when the headlights are on. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence & remedy
Consequence: DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.
Remedy: The body control module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed January 23, 2023. Owners may contact GMC customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020, or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N222386380. This recall expands previous recall number 22V-827.
General Motors, LLC (M) is recalling certain 2021-2022 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles equipped with third-row seats. The rivet that retains the buckle to the mounting bracket in the left or right side third-row seat belt buckle assembly may have been improperly formed.
Consequence & remedy
Consequence: A seat belt with a deformed rivet may not properly restrain an occupant, increasing the risk of injury during a crash.
Remedy: Dealers will inspect the rivet head formation on both the left and right side third-row seat belt buckle assemblies and replace seat belt buckle assemblies, as necessary, free of charge. Interim owner notification letters informing owners of the safety risk were mailed September 28, 2022. Owner notification letters were mailed on November 1, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; and GMC customer service at 1-800-462-8782. GM's number for this recall is N222372380.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
4
EA26005 · Loss Of Motive Power Due To Engine Failure Post Recall Remedy
Opened Aug 20, 2026 · No close date supplied
Status: open (inferred from source dates) · Engine
On January 16, 2026, the Office of Defects Investigation (ODI) opened Recall Query RQ26001. This investigation was opened to assess the remedy effectiveness of Recall 25V-274. ODI has received complaints alleging engine failure in vehicles after the recall remedy had been completed, whether that remedy involved an oil viscosity change or a complete engine replacement. General Motors (GM) issued Recall 25V-274 to address concerns of engine failure in the L87 engines produced between March 1, 2021 and May 31, 2024. GM cited the root cause as a supplier manufacturing and quality issue. GM’s recall remedy for Recall 25V-274 consisted of two different repairs, either an oil viscosity change or an engine replacement, based on the results of the remedy inspection procedure. ODI continues to receive reports of engine failures after the completion of the recall remedy. To date, ODI has received 499 complaints alleging post-remedy engine failure in vehicles subject to Recall 25V-274, 473 of which involved an oil viscosity change and 26 a complete engine replacement. Additionally, ODI has received 191 reports of L87 engine failures in engines produced after the production period cited in Recall 25V-274. GM reported receiving 6,953 complaints of post-remedy engine failure. ODI is opening this Engineering Analysisto continue investigating complaints of post-remedy engine failure. ODI is expanding the scope of this Investigation to include engines produced after the production period cited in the recall. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
RQ26001 · Loss Of Motive Power Due To Engine Failure Post Recall Remedy
Opened Jan 16, 2026 · Closed Aug 20, 2026
Status: closed (inferred from source dates) · Engine
On January 16, 2026, the Office of Defects Investigation (ODI) opened Recall Query RQ26001. This investigation was opened to assess the remedy effectiveness of Recall 25V-274. ODI has received complaints alleging engine failure in vehicles after the recall remedy had been completed, whether that remedy involved an oil viscosity change or a complete engine replacement. General Motors (GM) issued Recall 25V-274 to address concerns of engine failure in the L87 engines produced between March 1, 2021 and May 31, 2024. GM cited the root cause as a supplier manufacturing and quality issue. GM’s recall remedy for Recall 25V-274 consisted of two different repairs, either an oil viscosity change or an engine replacement, based on the results of the remedy inspection procedure. ODI continues to receive reports of engine failures after the completion of the recall remedy. To date, ODI has received 499 complaints alleging post-remedy engine failure in vehicles subject to Recall 25V-274, 473 of which involved an oil viscosity change and 26 a complete engine replacement. GM reported receiving 6,953 complaints of post-remedy engine failure. ODI will close this RQ and continue to investigate complaints of post-remedy engine failure for Recall 25V-274 as part of an Engineering Analysis (EA26005). To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
EA25007 · Loss Of Motive Power Due To Engine Failure
Opened Oct 23, 2025 · No close date supplied
Status: open (inferred from source dates) · Engine; Engine And Engine Cooling:engine:hard Parts Internal/mechanical
The Office of Defects Investigation (ODI) has received 1,157 reports of engine bearing failure failures in the L87 6.2L engine produced by General Motors (GM). Of the 1,157 reports received, 173 are outside of the scope of recall 25V-274. These engines are installed in Model Years (MY) 2019–2024 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2021-2024MY Chevrolet Suburban and Tahoe, GMC Yukon/Yukon XL, and Cadillac Escalade/Escalade ESV vehicles. The subject engine failures were investigated as part of a Preliminary Evaluation (PE25001). GM determined that these engine failures were due to multiple supplier manufacturing and quality issues. GM issued recall 25V-274 to address the supplier manufacturing and quality issues produced between March 1, 2021, and May 31, 2024. Based on the issuance of recall 25V-274, NHTSA has closed PE25001. ODI continues to receive a significant number of reports of engine failure in vehicles outside the scope of 25V-274. This presents a potential safety risk that warrants further investigation. ODI is opening this Engineering Analysis (EA) to further evaluate the scope and severity of the potential problem and to fully assess the potential safety-related issues of vehicles built outside the recall scope. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
Additional source detail variants (2)
Engine And Engine Cooling:engine:hard Parts Internal/mechanical
The Office of Defects Investigation (ODI) has received 1,157 reports of engine bearing failure failures in the L87 6.2L engine produced by General Motors (GM). Of the 1,157 reports received, 173 are outside of the scope of recall 25V-274. These engines are installed in Model Years (MY) 2019–2024 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2021-2024MY Chevrolet Suburban and Tahoe, GMC Yukon/Yukon XL, and Cadillac Escalade/Escalade ESV vehicles. The subject engine failures were investigated as part of a Preliminary Evaluation (PE25001). GM determined that these engine failures were due to multiple supplier manufacturing and quality issues. GM issued recall 25V-274 to address the supplier manufacturing and quality issues produced between March 1, 2021, and May 31, 2024. Based on the issuance of recall 25V-274, NHTSA has closed PE25001. ODI continues to receive a significant number of reports of engine failure in vehicles outside the scope of 25V-274. This presents a potential safety risk that warrants further investigation. ODI is opening this Engineering Analysis (EA) to further evaluate the scope and severity of the potential problem and to fully assess the potential safety-related issues of vehicles built outside the recall scope. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
Engine
The Office of Defects Investigation (ODI) has received 1,157 reports of engine bearing failure failures in the L87 6.2L engine produced by General Motors (GM). Of the 1,157 reports received, 173 are outside of the scope of recall 25V-274. These engines are installed in Model Years (MY) 2019–2024 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2021-2024MY Chevrolet Suburban and Tahoe, GMC Yukon/Yukon XL, and Cadillac Escalade/Escalade ESV vehicles. The subject engine failures were investigated as part of a Preliminary Evaluation (PE25001). GM determined that these engine failures were due to multiple supplier manufacturing and quality issues. GM issued recall 25V-274 to address the supplier manufacturing and quality issues produced between March 1, 2021, and May 31, 2024. Based on the issuance of recall 25V-274, NHTSA has closed PE25001. ODI continues to receive a significant number of reports of engine failure in vehicles outside the scope of 25V-274. This presents a potential safety risk that warrants further investigation. ODI is opening this Engineering Analysis (EA) to further evaluate the scope and severity of the potential problem and to fully assess the potential safety-related issues of vehicles built outside the recall scope. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
PE25001 · Loss Of Motive Power Due To Engine Failure
Opened Jan 16, 2025 · Closed Oct 23, 2025
Status: closed (inferred from source dates) · Engine; Engine And Engine Cooling:engine:hard Parts Internal/mechanical
On January 16, 2025, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE25001 after receiving complaints and field reports concerning engine failures in MY2019-2024 GM’s full-size truck and SUV T1XX platform equipped with the L87 6.2L V8 engine. These complainants alleged engine bearing failures resulting in knocking and growling noises from the engine’s bottom end and in some cases more severe consequences such as broken connecting rods leading to engine damage, or engine failure. If the engine fails during vehicle operation, the vehicle will lose propulsion, increasing the risk of a crash. On April 24, 2025, GM issued recall 25V-274 to address the concern with L87 engines produced between March 1, 2021, and May 31, 2024. GM cited the root cause as a supplier manufacturing and quality issues. GM’s recall remedy will be either an oil change to an oil with a different viscosity or engine replacement depending on the results of the remedy inspection procedure. To date, ODI has received 1,157 allegations of engine bearing failure. GM submitted 55,464 reports in total, with 29,752 unique VINs. ODI continues to receive allegations of L87 engine failures which fall outside of the scope of recall 25V-274. Based on GM’s recall, ODI will close this PE. NHTSA will continue to investigate complaints of engine failure outside the scope of recall 25V-274 as part ofEngineering Analysis (EA25007). To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.
Additional source detail variants (2)
Engine And Engine Cooling:engine:hard Parts Internal/mechanical
On January 16, 2025, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE25001 after receiving complaints and field reports concerning engine failures in MY2019-2024 GM’s full-size truck and SUV T1XX platform equipped with the L87 6.2L V8 engine. These complainants alleged engine bearing failures resulting in knocking and growling noises from the engine’s bottom end and in some cases more severe consequences such as broken connecting rods leading to engine damage, or engine failure. If the engine fails during vehicle operation, the vehicle will lose propulsion, increasing the risk of a crash. On April 24, 2025, GM issued recall 25V-274 to address the concern with L87 engines produced between March 1, 2021, and May 31, 2024. GM cited the root cause as a supplier manufacturing and quality issues. GM’s recall remedy will be either an oil change to an oil with a different viscosity or engine replacement depending on the results of the remedy inspection procedure. To date, ODI has received 1,157 allegations of engine bearing failure. GM submitted 55,464 reports in total, with 29,752 unique VINs. ODI continues to receive allegations of L87 engine failures which fall outside of the scope of recall 25V-274. Based on GM’s recall, ODI will close this PE. NHTSA will continue to investigate complaints of engine failure outside the scope of recall 25V-274 as part ofEngineering Analysis (EA25007). To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.
Engine
On January 16, 2025, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE25001 after receiving complaints and field reports concerning engine failures in MY2019-2024 GM’s full-size truck and SUV T1XX platform equipped with the L87 6.2L V8 engine. These complainants alleged engine bearing failures resulting in knocking and growling noises from the engine’s bottom end and in some cases more severe consequences such as broken connecting rods leading to engine damage, or engine failure. If the engine fails during vehicle operation, the vehicle will lose propulsion, increasing the risk of a crash. On April 24, 2025, GM issued recall 25V-274 to address the concern with L87 engines produced between March 1, 2021, and May 31, 2024. GM cited the root cause as a supplier manufacturing and quality issues. GM’s recall remedy will be either an oil change to an oil with a different viscosity or engine replacement depending on the results of the remedy inspection procedure. To date, ODI has received 1,157 allegations of engine bearing failure. GM submitted 55,464 reports in total, with 29,752 unique VINs. ODI continues to receive allegations of L87 engine failures which fall outside of the scope of recall 25V-274. Based on GM’s recall, ODI will close this PE. NHTSA will continue to investigate complaints of engine failure outside the scope of recall 25V-274 as part ofEngineering Analysis (EA25007). To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.
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