Everything NHTSA's vPIC database knows about this exact vehicle:
Decoding from NHTSA…
Vehicle history — accidents, title & owners
The decode above is what this vehicle is. For what it's been through — accidents, title brands, odometer, theft/total-loss and previous owners — pull a full history report.
NHTSA publishes the first 11 characters of the VIN with every complaint — that identifies the plant, model year, body and engine. So these are reports from cars built exactly like this one, not an average across the whole model.
1GNSKTKL1MR••••••2021 Chevrolet TAHOE
This build draws 2.3× more complaints than the average 2021 Chevrolet TAHOE build (8 vs 4).
8on this build
438on the model
125builds in total
Most reportedEngine 6Power Train 2Fuel System 1Gasoline 1
What owners of this build wrote
EngineAug 2026
When vehicle is idling the cabin shaking/vibrating. When engine is warm the sound of engine goes away and when it is cool the sound and vibrating comes back
Power TrainJun 2026
The engine's Dynamic Fuel Management (DFM) lifter failed and damaged the camshaft at around 70,700 miles. The broken components are available for inspection upon request. This failure put occupants at risk because the vehicle suddenly lost power, began shaking violently, and…
Engine And Engine CoolingJun 2026
The contact's husband owns a 2021 Chevrolet Tahoe. The contact stated that while her husband was driving at an undisclosed speed, the vehicle shuddered and experienced a loss of drive power. A message to turn on the vehicle was displayed. The contact's husband coasted the…
Fuel SystemNov 2021
The contact owns a 2021 Chevrolet Tahoe. The contact stated that upon the depression of the brake pedal, the vehicle would stall without warning. The contact had taken the vehicle to a dealer where they informed her of NHTSA Campaign Number: 21V739000 (Fuel System, Gasoline)…
Power TrainJan 2026
Sudden Catastrophic Engine Failure. * The car lost power in the middle of a high traffic, very dark country road, forcing her to stay in the middle of the (undivided) road in the dark hoping cars didn't slam into her. A Collin County Sheriff was dispatched to keep her safe until…
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Owner complaints…
Now the whole model — all 125 builds of it, not just this build. Same NHTSA reports, wider net:
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Exact value for this VIN, adjusted for mileage
The original window sticker and factory options
Full research report as a PDF you can hand to a mechanic
Decoded via NHTSA vPIC. Recalls, complaints and safety from NHTSA; MPG from EPA fueleconomy.gov. Full history reports from our partner. VIN 1GNSKTKL1MR203337 · decoded Sep 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.