2021 Chevrolet Tahoe Problems: 2 Known Issues
2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Chevrolet Tahoe has 2 documented known issues, with 1 rated critical. The most serious is 6.2L L87 Rod-Bearing Engine Failure (Recall 25V-274). DIY maintenance guides at au7o.io.
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All 2 Known Issues
NHTSA Recalls20 recalls
SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING: LAMP
General Motors, LLC (GM) is recalling certain 2023 Chevrolet Silverado 1500, GMC Sierra 1500, 2023-2024 Chevrolet Tahoe, Suburban, GMC Yukon, Yukon XL, Cadillac Escalade, and Escalade ESV vehicles. The electronic brake control module software may fail to display a warning light when a loss of brake fluid occurs. As such, these vehicles fail to comply with the requirements of Federal Vehicle Safety Standard number 135, "Light Vehicle Brake Systems."
ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
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.
FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, 2021, 2023-2024 Chevrolet Tahoe, and 2022 and 2024 GMC Yukon vehicles equipped with a 6-cylinder diesel engine. The original fuel tank may have been replaced with an incorrect fuel tank, which can allow fuel to leak in a rollover crash.
SEAT BELTS:CRITICAL FASTENERS
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.
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
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."
+ 15 more recalls. Check all on NHTSA.gov
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Frequently Asked Questions
What are the most common Chevrolet Tahoe problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Chevrolet Tahoe has 2 documented issues. The most frequently reported are: 6.2L L87 Rod-Bearing Engine Failure (Recall 25V-274), Low-mileage harsh shifts, shudder, surge or stall — inspect transmission cooler line. Of these, 1 is rated critical and should be addressed promptly.
Is the Chevrolet Tahoe reliable?
The 2021 Chevrolet Tahoe has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: 6.2L L87 Rod-Bearing Engine Failure (Recall 25V-274). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
What is the 2021-2024 Chevrolet Tahoe 6.2L L87 Rod-Bearing Engine Failure (Recall 25V-274)?
Recall 25V274 covers certain 2021–2024 Tahoes with the 6.2L L87 from the suspect March 2021–May 2024 manufacturing window. Connecting-rod/crankshaft manufacturing problems can cause engine damage and loss of propulsion. Two later opening notices address different questions: RQ260… Severity: high.
What is the 2021 Chevrolet Tahoe Low-mileage harsh shifts, shudder, surge or stall — inspect transmission cooler line?
GM PIP5792 covers low-mileage 2021 Tahoe vehicles with MQC transmission in North America. Harsh shifts, shudder, surge or stalling may result from a twisted transmission cooler line. It does not establish software calibration as the usual cause or cover every later-model shift co… Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.