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.
3GNKBKRS9MS••••••2021 Chevrolet BLAZER
This build draws 2.8× more complaints than the average 2021 Chevrolet BLAZER build (5 vs 2).
5on this build
127on the model
71builds in total
Most reportedElectrical System 2Fuel/propulsion System 2Steering 1Engine 1
What owners of this build wrote
Fuel/propulsion SystemJul 2026
July 4th the car had gas, turned over, but would not start. I had it towed to a repair center who towed, did diagnostics and came up with the codes for a bad fuel pump control module. It was replaced and the car starts. There was no warning. Problem was confirmed by an…
SteeringNov 2025
In September 2023, when getting my vehicle serviced for a routine oil change, I was told there was a leak in my radiator. They replaced the entire thing under warranty. On November 15th, 2025, while driving on the highway heading home from out of town with my children, an error…
Electrical SystemAug 2025
The contact owns a 2021 Chevrolet Blazer. The contact stated that while attempting to start the vehicle, several unknown warning lights illuminated, and other lights inside the vehicle flashed on and off. The contact stated that the failure also occurred while driving at various…
Fuel/propulsion SystemJul 2026
Fuel pump control module failed at 26000. Recall number N252516900. This is a recall that other 2021 blazers have ben part of. Over 300000 recalls so far. GM says my car isn't. Ridiculous. They dont want to acknowledge their fault. I need a formal statement that this module…
Electrical SystemFeb 2025
I got home from work, locked my car up for the night with everything working perfectly fine, then came out to leave for work the next morning to find “update failed. Return to dealer” on the infotainment screen. I did some pretty extensive research trying to find the fix, only…
Owner complaints…
Now the whole model — all 71 builds of it, not just this build. Same NHTSA reports, wider net:
Loading owner complaints…
PRO
Upgrade to Pro
You know what it is. Find out what it's worth.
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 3GNKBKRS9MS582818 · decoded Sep 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.