Vehicle suddenly lost power at 70mph in heavy traffic. This was after a very brief flash of the electrical system off and then back on. Vehicle was safely pulled to the side of the road (luckily). The electrical system kept demanding to “push start” and then would shut off and then immediately come back on, but without the engin…
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Vehicle suddenly lost power at 70mph in heavy traffic. This was after a very brief flash of the electrical system off and then back on. Vehicle was safely pulled to the side of the road (luckily). The electrical system kept demanding to “push start” and then would shut off and then immediately come back on, but without the engine starting. The vehicle would not completely turn off, or turn back on from that point forward, killing the battery in the process. We called Onstar, who had it towed to Bill Estes Chevrolet in Carmel Indiana. Mark in the service department then informed us that the engine was completely seized up and would require an engine replacement.
NHTSA ODI #11651684
84,528 miles · Mar 24, 2025
Engine
The contact owns a 2022 Chevrolet Tahoe. The contact stated while driving 75 MPH, the vehicle shut off with the check engine warning light illuminated on the instrument panel. The contact pulled over to the shoulder of the highway, and the vehicle was later towed to a dealer. The dealer discovered that the lifter bearing had fai…
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The contact owns a 2022 Chevrolet Tahoe. The contact stated while driving 75 MPH, the vehicle shut off with the check engine warning light illuminated on the instrument panel. The contact pulled over to the shoulder of the highway, and the vehicle was later towed to a dealer. The dealer discovered that the lifter bearing had failed, which resulted in engine failure. The contact was provided with an estimate for a new engine. The manufacturer was notified of the failure, and a case was filed. The manufacturer agreed to cover half the cost of a new engine. The vehicle was not yet repaired. The failure mileage was 84,528.
NHTSA ODI #11650078
66,523 miles · Mar 13, 2025
Engine
The contact owns a 2022 Chevrolet Tahoe. The contact stated that while his wife was driving 35 MPH, the vehicle stalled and failed to restart. The vehicle was towed to the local dealer who diagnosed that the rod bearings had failed, causing the engine to seize. The contact was informed that the engine needed to be replaced. The …
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The contact owns a 2022 Chevrolet Tahoe. The contact stated that while his wife was driving 35 MPH, the vehicle stalled and failed to restart. The vehicle was towed to the local dealer who diagnosed that the rod bearings had failed, causing the engine to seize. The contact was informed that the engine needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was 66,523.
NHTSA ODI #11648051
72,000 miles · Mar 12, 2025
Engine
The contact owns a 2022 Chevrolet Tahoe. The contact stated while driving approximately 70 MPH, the vehicle lost automotive power. No warning light was illuminated. In addition, the contact stated that the vehicle was unsafe and almost jeopardized the lives of her children. The vehicle was towed to a local dealer and was diagnos…
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The contact owns a 2022 Chevrolet Tahoe. The contact stated while driving approximately 70 MPH, the vehicle lost automotive power. No warning light was illuminated. In addition, the contact stated that the vehicle was unsafe and almost jeopardized the lives of her children. The vehicle was towed to a local dealer and was diagnosed with an internal bearing failure, and the engine needed to be replaced. The vehicle was not repaired due to the cost. The manufacturer was made aware of the failure. The failure mileage was approximately 72,000.
NHTSA ODI #11647940
Mileage unknown · Mar 11, 2025
EnginePower Train
While driving down the highway, the vehicle suddenly experienced multiple issues. The headlights went out, the vehicle would not continue to accelerate, and all interior lights shut off. The vehicle then shifted into neutral and stalled. There were no warning signs or indicators before this happened. Our safety was at risk as we…
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While driving down the highway, the vehicle suddenly experienced multiple issues. The headlights went out, the vehicle would not continue to accelerate, and all interior lights shut off. The vehicle then shifted into neutral and stalled. There were no warning signs or indicators before this happened. Our safety was at risk as we barely managed to pull the vehicle over to the shoulder, with no working emergency lights. The highway had no street lights, and we were constantly worried about being hit by other cars since our vehicle was nearly invisible without the emergency lights. The malfunction left us stranded more than two hours from home. We had to have the vehicle towed to a Chevrolet dealership for inspection, which was also over two hours away. Prior to the failure, there were no warning lamps, messages, or other symptoms—everything happened suddenly without any notice.
NHTSA ODI #11647680
Mileage unknown · Mar 8, 2025
Engine
Without warning engine light turned on and vehicle imminently lost power. Engine locked up and could not be started again this happened January 14 2025 motor was blown. Taken into the dealer at this time. Tahoe was picked up from dealer on 3/1/2025 Tahoe was driven 36 miles and once again out of no where engine light turned on a…
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Without warning engine light turned on and vehicle imminently lost power. Engine locked up and could not be started again this happened January 14 2025 motor was blown. Taken into the dealer at this time. Tahoe was picked up from dealer on 3/1/2025 Tahoe was driven 36 miles and once again out of no where engine light turned on and vehicle lost all power and would not start again, engine was blown a second time. Vehicle is now at the dealer for a second time.
NHTSA ODI #11647185
Mileage unknown · Mar 8, 2025
Engine
I’ve done some research on the Chevy Tahoe 6.2L engine failures my Tahoe experienced the same thing our Tahoe just shut off in the middle of rush hour. 2 days ago we’ve started hearing slight knocking on higher RPMs and sometimes just idling and also would have a rough idle but it would go away with no check engine lights or war…
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I’ve done some research on the Chevy Tahoe 6.2L engine failures my Tahoe experienced the same thing our Tahoe just shut off in the middle of rush hour. 2 days ago we’ve started hearing slight knocking on higher RPMs and sometimes just idling and also would have a rough idle but it would go away with no check engine lights or warnings on the dash till today we haven’t taken it to the dealership to look at do to it having 61k miles just past its warranty and us not having the finances to get the truck fixed.
NHTSA ODI #11647181
Mileage unknown · Mar 6, 2025
Engine
Engine stopped working while on the freeway going 60 mph. Unable to start vehicle once it died.
NHTSA ODI #11646642
Mileage unknown · Mar 3, 2025
Engine
ENGINE QUIT RUNNING UNEXPECTEDLY, WITHOUT WARNING, AS WE WERE DRIVING DOWN THE FREEWAY ABOUT 30 MINUTES FROM OUR HOME. FORTUNATELY, WE WERE ABLE TO GET OFF TO THE SIDE OF THE ROAD BUT FACED DIFFICULTY IN GETTING THE VEHICLE ON THE TOW TRUCK. NO POWER SO ELECTRONIC PARKING BRAKE WOULD NOT DISENGAGE FOR MORE THAN A FEW SECONDS. PL…
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ENGINE QUIT RUNNING UNEXPECTEDLY, WITHOUT WARNING, AS WE WERE DRIVING DOWN THE FREEWAY ABOUT 30 MINUTES FROM OUR HOME. FORTUNATELY, WE WERE ABLE TO GET OFF TO THE SIDE OF THE ROAD BUT FACED DIFFICULTY IN GETTING THE VEHICLE ON THE TOW TRUCK. NO POWER SO ELECTRONIC PARKING BRAKE WOULD NOT DISENGAGE FOR MORE THAN A FEW SECONDS. PLUS THE REAR WHEELS WOULD NOT TURN AT ALL. WE DID GET FINALLY GET THE VEHICLE TOWED TO A NEARBY MECHANIC WHO INFORMED US THAT THE ENGINE HAD SIEZED AND WOULD HAVE TO BE COMPLETELY REPLACED WITH A BRAND NEW ENGINE. SUSPECTED MAIN BEARING FAILURE. I HAVE READ THAT YOU ARE INVESTIGATING PROBLEMS WITH THIS ENGINE, GM L87 6.2L V8. SINCE OUR VEHICLE HAS 75000 MILES AND IS OUT OF WARRANTY WE ARE FACING REPAIR CHARGES OF UP TO $15000 TO $20000. WE COULD USE A LITTLE JUSTICE. THANK YOU.
NHTSA ODI #11646084
36,000 miles · Feb 28, 2025
Engine
The contact owns a 2022 Chevrolet Tahoe. The contact stated while driving 70 MPH with her child in a car seat in the rear seat, a message advising her to press the Push to Start button was displayed. The vehicle then shifted to neutral(N) unintendedly and stalled, and a semi-truck nearly crashed into the vehicle. The contact was…
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The contact owns a 2022 Chevrolet Tahoe. The contact stated while driving 70 MPH with her child in a car seat in the rear seat, a message advising her to press the Push to Start button was displayed. The vehicle then shifted to neutral(N) unintendedly and stalled, and a semi-truck nearly crashed into the vehicle. The contact was unable to pull to the side of the road completely. The contact exited the vehicle and took the baby out of the vehicle. A Police Officer assisted the contact by blocking the road to prevent a crash. The vehicle failed to restart and was towed to the dealer, where it was diagnosed with catastrophic engine failure; however, the part to do the repair was on backorder. The vehicle was not repaired. The manufacturer was notified of the failure and a case was filed. The manufacturer informed the contact that the dealer would be contacted, and she would be informed of the assistance the manufacturer would provide. The failure mileage was approximately 36,000.
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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