NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes complaints
53 reportsClear category filterMileage unknown · Jan 21, 2024
Service Brakes
Started my truck and drove off. 10 seconds later all of the lights on instrument cluster came on and displayed steering assist reduced the. It said service brake assist. My brakes weee very spongy and hardly worked luckily I was only driving 20 mph and no one was in front of me. I had to disconnect battery and reconnect to fix t…
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Started my truck and drove off. 10 seconds later all of the lights on instrument cluster came on and displayed steering assist reduced the. It said service brake assist. My brakes weee very spongy and hardly worked luckily I was only driving 20 mph and no one was in front of me. I had to disconnect battery and reconnect to fix the problem. What if I was on the highway doing 70 mph and had to hit my brakes suddenly. Someone or multiple people could have been injured. This truck has 13,000 miles on and it’s a year old. I have ready many reports online of this happening in earlier models. How can car manufactures get away with this ?
NHTSA ODI #11566769
Mileage unknown · Jan 16, 2024
Electrical SystemService BrakesSteering
Engine stalled at highway speed 50mpr, disabled brakes, and steering. I coasted to a stop with absolutely no power. Engine would not restart for 2 minutes. No Engine lights or codes present but warning on dash read service trailer brake system disabled. I drifted to a stop with no brakes at all or power steering. We were not hau…
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Engine stalled at highway speed 50mpr, disabled brakes, and steering. I coasted to a stop with absolutely no power. Engine would not restart for 2 minutes. No Engine lights or codes present but warning on dash read service trailer brake system disabled. I drifted to a stop with no brakes at all or power steering. We were not hauling any trailers and no trailer was connected. This was the scariest event I've ever experienced driving. Very unhappy when they're was no reason to stall. Gas tank was half full.
NHTSA ODI #11565762
Mileage unknown · Nov 10, 2023
Electrical SystemService BrakesSteering
While drive 70mph on the highway the service steering column lock message displayed and the steering column locked. The service traction control warning displayed and vehicle traction control system began malfunctioning and tires began locking up. Break system failure message displayed, vehicle lost power to functional breaking …
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While drive 70mph on the highway the service steering column lock message displayed and the steering column locked. The service traction control warning displayed and vehicle traction control system began malfunctioning and tires began locking up. Break system failure message displayed, vehicle lost power to functional breaking capability. Trailer breaks disabled warding displayed, service required. Service ECS message displayed. Control of vehicle was lost, was able to naturally decrease speed and no accidents occurred. During this time, all control of breaking system was lost and steering function was lost. There was minimal traffic and I was able to turn my hazards on. Vehicle came to a complete stop in the right lane of the highway which could have cause a fatal crash. Intermittent steering functionality resumed after vehicle stopped allowing my to drive 5 mph to the exit ramp to move to safety. During this time, break system was not operational and potentially could have continued to cause an accident.
NHTSA ODI #11554482
Mileage unknown · Nov 1, 2023
Forward Collision AvoidanceService Brakes
I was driving at about 40 mph and went to brake and the brake pedal went to the floor with multiple lights appearing on the dash including a warning "brake system failure max speed 43 mph" as well as "service ESC". The brake light went on as well as the ABS light and the check engine light. Brakes were not fully functional and…
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I was driving at about 40 mph and went to brake and the brake pedal went to the floor with multiple lights appearing on the dash including a warning "brake system failure max speed 43 mph" as well as "service ESC". The brake light went on as well as the ABS light and the check engine light. Brakes were not fully functional and were like old manual brakes that you had to press hard on to slow down. I was fearful getting back to the house. Multiple warnings appeared on my Chevy app. Today I started to move in the driveway to clean up as I am taking to dealer tomorrow. All lights are off and the brakes now appear to work. The warnings are off of the app now (curious as to why for such a potentially lethal event) I have screenshots of the dash warnings but neglected to get a screenshot in the app. My fear is that the dealer will blow this off and the app shows all is good only to leave me drive this for them go out again. This is a signifivant safety issue for Chevy (and for my family)
NHTSA ODI #11553127
Mileage unknown · Aug 9, 2023
Electrical SystemService Brakes
While driving the truck, something electrical seems to "reset" and upon that occurring, the brakes and other things quit working. This has happened in this truck twice within the last 10,000 miles. The dealership "resets the electrical system" and the truck runs fine for a period of time, but it has happened twice that the brak…
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While driving the truck, something electrical seems to "reset" and upon that occurring, the brakes and other things quit working. This has happened in this truck twice within the last 10,000 miles. The dealership "resets the electrical system" and the truck runs fine for a period of time, but it has happened twice that the brakes have failed while going down the road.
NHTSA ODI #11537445
Mileage unknown · Aug 9, 2023
Electrical SystemService Brakes
The vehicle starter began malfunctioning, upon having that repaired by the dealership the brakes on the truck failed while underway. The dealership subsequently replaced the fuse panel and said it was resolved, that was in November 2022. The starter again began having problems engaging yesterday.
NHTSA ODI #11537441
Mileage unknown · Jun 24, 2023
Service BrakesUnknown Or Other
Manufacturer and dealership cannot resolve active recalls because the vehicle does not have the part (sports bar with chimsl accessories high brake light) marked in the recall. Vehicle was ordered with the accessory on the window sticker but it did not fit properly and due to this was removed from the truck. Dealership refuses t…
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Manufacturer and dealership cannot resolve active recalls because the vehicle does not have the part (sports bar with chimsl accessories high brake light) marked in the recall. Vehicle was ordered with the accessory on the window sticker but it did not fit properly and due to this was removed from the truck. Dealership refuses to resolve the recall even though the part does not exist on the truck.
NHTSA ODI #11528646
Mileage unknown · Jun 10, 2023
Service Brakes
Integrated trailer brake failure. Pugged in trailer and received message stated trailer brake failure, needs service
NHTSA ODI #11526393
Mileage unknown · May 23, 2023
Electrical SystemService Brakes
When pulling a travel trailer with electric trailer brakes, the trucks trailer brake control switch disengages. While pulling our new travel trailer home from the dealership I tested the trailer brakes prior to leaving the camper dealers lot and the trailer brakes work with both the manual switch and the trucks brake pedal. But …
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When pulling a travel trailer with electric trailer brakes, the trucks trailer brake control switch disengages. While pulling our new travel trailer home from the dealership I tested the trailer brakes prior to leaving the camper dealers lot and the trailer brakes work with both the manual switch and the trucks brake pedal. But while traveling down the highway and braking with the foot pedal the truck emitted an audible alert tone but by the time that I looked at the dash the visual message had already disappeared. While traveling this happened a few more times before I was finally able to read the alert notification on the dash in time to read the there was a trailer brake fault and the electronic trailer brake controller had been disabled. The trailer I was pulling was well within the trucks TWR rated capacity, but yet heavier than the truck. Luckily I finally figured out what was going on and did not need to brake hard and was able to get my trailer to our nearby destination. Had I have been aware that there could be a trailer brake controller problem I would have never made this trip with my truck and trailer and risked incident. At no point in my truck purchasing process or during ownership have I ever been notified that my truck could have trailer braking problems. Had there been a situation where I needed to stop fast it could have resulted in catastrophy. Chevrolet needs to inform owners of this potential safety issue immediately. After the fact, I came across multiple articles stating that GM has issued a service bulletin for the problem, but apparently will only be addressed at the time of customer complaint. I did call the dealership where I purchased my truck and was informed at that time of the service bulletin. My truck has since been to the repair shop to have the trailer brake control switch replaced and trailer brakes are currently functioning properly.
NHTSA ODI #11523491
Mileage unknown · May 2, 2023
EnginePower TrainService Brakes
7500 oil change, tire rotation multi vehicle inspection appt. With issues. - didn't do oil change/inspection. Because of major issue with transmission/engine. Vehicle running rough, happens at idle or while driving. Sounds lik it will stall. When u put vehicle in gear drive or reverse vehicle lunges towards direction its i…
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7500 oil change, tire rotation multi vehicle inspection appt. With issues. - didn't do oil change/inspection. Because of major issue with transmission/engine. Vehicle running rough, happens at idle or while driving. Sounds lik it will stall. When u put vehicle in gear drive or reverse vehicle lunges towards direction its in gear. Radio lights on dash decide to dim on their own, shuts off on its own. Will not let u adjust dimness you must shut off for it to re light up which is a 50/50 chance. Going over bumps loud noise coming from rear, vehicle does get squirmy when you hit a large bump. Large loud whinging noise upon acceleration. Intermittent issue with key fobs usually spare key not found on dash. Still. Diagnosis papers attached. It is a balance shift gear crank shaft case; they have to remove the transmission and the engine completely from my truck and replace parts! Takes over 1.5 for parts to get delivered, plus they will have my vehicle for 7 days plua approx to do repair. But for now they told me it's cool that I drove it still with crank shaft and balance gear shift issues! They cannot do 7500 mile oil change as they have to remove the engine and they want to wait to do oil so its not wasted when they have to rip engine out. All other issues will be address once this issue is fixed because they are hoping that these problems are solved with the major repair. Tsb# 23-NA-015.
NHTSA ODI #11520054
Official recalls
6Feb 12, 2026
General Motors, LLC is recalling certain 2020 Chevrolet Silverado 2500, 3500, GMC Sierra 2500, 3500, and 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles that may have been repaired incorrectly under recall 24V797. The transmission control valve may fail and cause the rear wheels to lock up.
Consequence & remedy
Consequence: Rear wheel lock up increases the risk of a crash.
Remedy: Dealers will inspect the vehicles and update the transmission control software, free of charge. Owner notification letters were mailed March 6, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252516560. 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:fluid/lubricant:valves/valve Body
General Motors, LLC is recalling certain 2020 Chevrolet Silverado 2500, 3500, GMC Sierra 2500, 3500, and 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles that may have been repaired incorrectly under recall 24V797. The transmission control valve may fail and cause the rear wheels to lock up.
Consequence: Rear wheel lock up increases the risk of a crash.
Remedy: Dealers will inspect the vehicles and update the transmission control software, free of charge. Owner notification letters were mailed March 6, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252516560. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.
Power Train:automatic Transmission:control Module:software
General Motors, LLC is recalling certain 2020 Chevrolet Silverado 2500, 3500, GMC Sierra 2500, 3500, and 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles that may have been repaired incorrectly under recall 24V797. The transmission control valve may fail and cause the rear wheels to lock up.
Consequence: Rear wheel lock up increases the risk of a crash.
Remedy: Dealers will inspect the vehicles and update the transmission control software, free of charge. Owner notification letters were mailed March 6, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252516560. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.
Apr 24, 2025
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.
Oct 24, 2024
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.
Consequence & remedy
Consequence: Rear wheel lock-up can increase the risk of a crash.
Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. 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 N242454440.
Additional source detail variants (2)
Power Train:automatic Transmission:fluid/lubricant:valves/valve Body
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.
Consequence: Rear wheel lock-up can increase the risk of a crash.
Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. 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 N242454440.
Power Train:automatic Transmission:control Module:software
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.
Consequence: Rear wheel lock-up can increase the risk of a crash.
Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. 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 N242454440.
Dec 8, 2022
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.
Nov 23, 2022
General Motors, LLC (GM) is recalling certain 2022 Chevrolet Silverado 1500 vehicles. The sensing diagnostic module (SDM) was left in manufacturing mode and not activated at the assembly plant prior to shipment. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence & remedy
Consequence: An SDM in manufacturing mode will not deploy the vehicle's air bags in a crash, increasing the risk of occupant injury.
Remedy: Dealers returned the vehicles to the GM assembly plant and the sensing diagnostic modules were activated. The vehicles had not been sold from dealer inventory and therefore no owner letters will be mailed. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222387870.
Jun 30, 2022
General Motors (GM) has decided that certain 2022 model year Chevrolet Silverado, and GMC Sierra vehicles equipped with an accessory sport bar. The accessory sport bar contains a high-mounted brake light that may not function. In addition, it may block the vehicle's existing high-mounted brake light. As such, these vehicles may fail to conform to Federal Motor Vehicle Safety Standard (FMVSS) number 108, "lamps, reflective devices, and associated equipment."
Consequence & remedy
Consequence: An inoperative high-mounted brake light can reduce visibility to other drivers and increase the risk of a crash.
Remedy: Dealers will inspect the installation of the accessory bar and provide the correct vehicle wiring, if necessary, free of charge. Interim owner notification letters advising owners of the safety risk were mailed on August 10, 2022. Owner notification letters were mailed on January 27, 2023. Owners may contact GM's customer service on 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020.. GM's recall number for this recall is N222368110.
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
4EA26005 · 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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