2021 Chevrolet Trailblazer
This year had at least 30% fewer complaints than this model's typical year.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
- Complaints
- 198
- Recalls
- 4
- Investigations
- 0
- Top problem
- Power train
Campaigns on file for 2021
None on file
21% of complaints
Complaints per year
2021: 198 complaints
View as data table
| Year | Complaints |
|---|---|
| 1999 | 4 |
| 2000 | 26 |
| 2001 | 20 |
| 2002 | 1,149 |
| 2003 | 901 |
| 2004 | 1,081 |
| 2005 | 1,466 |
| 2006 | 1,107 |
| 2007 | 732 |
| 2008 | 193 |
| 2009 | 27 |
| 2014 | 1 |
| 2021 | 198 |
| 2022 | 112 |
| 2023 | 73 |
| 2024 | 35 |
| 2025 | 25 |
| 2026 | 12 |
Known problem areas
Percentages can add to more than 100% — a complaint can name more than one system.
Power train
21% · 41 reportsShow complaint excerpts
My trailblazer will not shift properly into drive from park or reverse. GM calls this a "loss of forward motion" or "delayed forward engagement" in their service bulletin TSB-24-NA-009.
NHTSA ODI report, 2026-07-23
Also filed under Engine
Electrical system
21% · 41 reportsMost commonly citing interlock/lockout.
Show complaint excerpts
Was in the middle of a 3 car collision. After about 5 min engine started smoking and a fire started. Fire slowly escalated and fully engulfed the entire car.
NHTSA ODI report, 2021-09-06
Also filed under Service brakes
The infotainment system which controls the radio,backup camera, onstart,and other safety components stopped working i took it to a gm certified dealership and it has just been all bad from there.
NHTSA ODI report, 2026-07-11
Engine
20% · 39 reportsShow complaint excerpts
Original Owner of 2021 Chevy Trailblazer LT. Purchased new in April 2021.
NHTSA ODI report, 2026-09-03
car was driving fine, went up a hill then check engine light came on with warning that stated "reduced engine power." drove it approx 8 min to home. parked in garage.
NHTSA ODI report, 2026-07-11
Service brakes
16% · 32 reportsMost commonly citing hydraulic.
Show complaint excerpts
A loud popping noise heard through the radio when light pressure applied to brakes. Noise loud enough to scare the hell out of all the occupants in the car. Brakes squeaked when car was in reverse. Tried to slow down on wet pavement.
NHTSA ODI report, 2025-02-19
Also filed under Forward collision avoidance
Fuel/propulsion system
9% · 17 reportsSafety timeline
4 recalls · 0 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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2020-07-01Equipment, tires20V295000 General Motors LLC (GM) is recalling certain 2021 Chevrolet Trailblazer vehicles factory-equipped with optional 17-inch sport terrain tires.
Remedy: GM will notify owners, and will mail corrected labels for customers to apply, free of charge. The recall began July 1, 2020. Owners may call Chevrolet customer service at 1-800-222-1020. GM's number for this recall is A202304070.
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2020-10-01Seats20V537000 General Motors LLC (GM) is recalling certain 2020 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles. The rear attachment bolts of one or both front seats may not have been installed.
Remedy: GM will notify owners, and dealers will inspect seat attachments for both front seats and install attachment bolts as needed, free of charge. The recall began October 1, 2020.
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2020-12-09Service brakes20V588000 General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles.
Remedy: GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020.
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2021-07-29Equipment21V440000 General Motors, LLC. (GM) is recalling certain 2020-2022 Buick Encore GX and 2021-2022 Chevrolet Trailblazer vehicles. The emergency jack, if not positioned as directed in the vehicle owner's manual, can fracture while in use.
Remedy: Dealers will replace the jack, free of charge. Interim owner notification letters informing owner of the safety risk are expected to be mailed July 26, 2021. A second notice will be mailed once remedy parts become available.
Buy-smart checklist
2021 Chevrolet Trailblazer — pre-purchase inspection
Inspect
- Power train: 41 reports on file for this year.
- Electrical system: 41 reports on file for this year.
- Engine: 39 reports on file for this year.
Verify these recalls were completed
- Recall 20V295000 · Equipment, tires
- Recall 20V537000 · Seats
- Recall 20V588000 · Service brakes
- Recall 21V440000 · Equipment
Other years of this model
See all years ranked →FAQ
- Is the 2021 Chevrolet Trailblazer reliable?
- Based on NHTSA complaint volume compared to this model's typical year, the 2021 Chevrolet Trailblazer is rated "better than typical".
- What are the most common problems with the 2021 Chevrolet Trailblazer?
- The most-reported component is power train, accounting for 21% of complaints on file.
- How many recalls does the 2021 Chevrolet Trailblazer have?
- 4 recalls on file for this model year.
Data updated 2026-11-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.