2021 Chevrolet Blazer Body and structure Problems
- Complaints
- 2about this part
- Share
- 1%of 141 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the body and structure of the 2021 Chevrolet Blazer, 1% of the 141 complaints for this model year. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“To whom it may concern, I own a 2021 chevrolet blazer I have been noticing a very large amount of water on the front floor boards since this discovery the windows being moist in the mornings make sence l. The windshield has been replaced several times with no obvious leaks at this location. There is no visible leaks during heavy rain or car washing, the biggest concern i have it if there's moisture I am more likely to develop electrical problems not to mention the moldy smell in the vehicle. …”
NHTSA complaint #11655504, filed 2025-04Related service bulletins
- 11015382Feb 20, 2025This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
- 11014171Jan 31, 2025This service bulletin provides information on proper use of floor mats.
- 11014238Jan 30, 2025This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
- 11013269Jan 16, 2025This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
- 11011709Nov 5, 2024This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11010493Oct 5, 2024This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
- 11009519Oct 1, 2024This technical bulletin provides a procedure to correct the condition of Excessive Waviness, Wrinkling or Sag in the Sunroof Sunshade.
- 11009764Sep 21, 2024This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
- 11007724Aug 14, 2024This technical bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of…
Body and structure: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 2 | 6% |
| 2024 | 3 | 6% |
| 2022 | 2 | 4% |
| 2021 | 2 | 1% |
| 2020 | 1 | 0% |
| 2019 | 4 | 2% |
| 2005 | 1 | 7% |
| 2004 | 6 | 12% |
| 2003 | 12 | 16% |
| 2002 | 11 | 4% |
| 2001 | 15 | 5% |
| 2000 | 44 | 7% |
| 1999 | 21 | 5% |
| 1998 | 25 | 3% |
| 1997 | 18 | 2% |
| 1996 | 29 | 3% |
| 1995 | 37 | 3% |
| 1994 | 9 | 1% |
| 1993 | 4 | 1% |
| 1992 | 2 | 1% |
| 1991 | 4 | 2% |
| 1990 | 1 | 3% |
| 1989 | 1 | 3% |
| 1988 | 1 | 3% |
| 1987 | 3 | 10% |
| 1985 | 2 | 7% |
Other parts of the 2021 Chevrolet Blazer
42 complaintsElectrical system
40 complaintsOther or unknown
24 complaintsBrakes
21 complaintsTransmission and drivetrain
19 complaintsFuel system
18 complaintsSteering
15 complaintsForward collision avoidance
8 complaintsTires
5 complaintsSuspension
4 complaintsEngine cooling
3 complaintsLane departure
3 complaints
← All problems reported for the 2021 Chevrolet Blazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology