Chevrolet · Trailblazer · 2021
2021 Chevrolet Trailblazer
4
Recalls
168
Complaints
5/5
Safety Rating
The 2021 Chevrolet Trailblazer has 4 recalls and 168 owner-reported complaints on file with NHTSA. Overall safety rating: 5 out of 5 stars. Most reported issue: unknown or other (27 reports).
Source: NHTSA Public Records · Updated Apr 28, 2026
Research Context
The 2021 Chevrolet Trailblazer page works best as a research starting point. Complaint totals show how much owner-reported activity exists, while recalls and investigations help show whether any of that activity turned into formal safety action.
Because this is a newer-era vehicle page, it usually helps to compare this year against nearby model years before deciding whether a complaint pattern looks isolated or persistent. On this page, the most prominent complaint area is unknown or other with 27 reported complaints.
Best Research Moves
- Use the complaint log to understand what owners were actually reporting instead of relying only on the raw complaint total.
- Review the recall section even if the total is smaller, because a limited number of recalls can still point to meaningful safety actions.
- This page is primarily a complaints-and-recalls research surface, so compare nearby model years before treating the complaint total as a standalone verdict.
Key Takeaways
- The 2021 Chevrolet Trailblazer currently shows 4 NHTSA recalls listed on this page and 168 owner-reported complaints.
- This page currently shows no linked NHTSA investigations.
- This page reflects complaint volume, recall history, and NHTSA test data, but it does not diagnose causes or rank reliability by itself.
- Safety data currently shows 5/5 overall NHTSA safety rating.
- The most frequently reported complaint categories on this page are unknown or other (27), power train (22), engine (14).
- Vehicle
- 2021 Chevrolet Trailblazer
- Recalls
- 4
- Complaints
- 168
- Safety Rating
- 5/5
How to Interpret This Page
This page combines three types of NHTSA data: recall campaigns (official manufacturer or government actions), owner complaints (unverified consumer reports), and crash test ratings (where available). A vehicle with many complaints is not necessarily less reliable — complaint volume correlates with sales volume and vehicle age. Recalls indicate identified defects, not overall quality. To compare this model year with others, use the year navigation in the sidebar or return to the model overview page.
If you are researching a used vehicle, start with the complaint categories, compare them against the recall list, and then check nearby model years to see whether the same issue profile repeats. That usually produces a better buying or research signal than treating the raw complaint total as a standalone safety ranking.
NHTSA Crash Test Performance
Frontal Crash Test
Side Crash Test
Overall Frontal Rating
Driver and Passenger Assessment
Driver Side
Passenger Side
Overall Side Rating
Side Barrier and Side Pole Tests
Driver Side
Passenger Side
Rollover Resistance
17.9% rollover risk in single-vehicle crash
Safety Features
ESC: StandardForward Collision Warning: StandardLane Departure Warning: Standard
Recall Notices
NHTSANHTSA ID: 21V440000June 10, 2021
EQUIPMENT:MECHANICAL:ACCESSORY SCISSOR/SCREW/BOTTLE JACK/LIFT:STAND
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 Status
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. Owners may contact Buick customer service at 1-800-521-7300 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is A212335470.
NHTSA ID: 20V588000September 24, 2020
SERVICE BRAKES
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. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.
Remedy Status
GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.
NHTSA ID: 20V537000September 03, 2020
SEATS:CRITICAL FASTENERS
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 Status
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. Owners may contact Chevrolet customer service at 1-800-630-2438 or Buick customer service at 1-800-521-7300. GM's number for this recall is A202304380.
NHTSA ID: 20V295000May 21, 2020
TIRES
General Motors LLC (GM) is recalling certain 2021 Chevrolet Trailblazer vehicles factory-equipped with optional 17-inch sport terrain tires. The certification label on these vehicles does not provide the tire size and cold tire pressure information for front and rear tires, as required. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard Number 110, "Tire Selection and Rims."
Remedy Status
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.
Owner Complaints
168 totalUNKNOWN OR OTHER
Apr 14, 2026
When you put the vehicle in park, it does not register on the dash that the vehicle is in park so therefore you cannot turn the vehicle off. I’ve read this as well known in the 2021 trailblazers
ENGINE
Apr 5, 2026
While driving down the interstate my 2021 Chevy Trailblazer suddenly flashed "Battery Saver Mode" on the dash and shut off completely. I was able to coast to the side of the road and call for help. This was a MAJOR safety issue as my 4 year old son was riding with me and we could...
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ENGINE
Mar 19, 2026
2021 Chevrolet Trailblazer RS (123,000) - Coolant control Valve failure Cooling issues after 20-25 mins of driving. No Check engine lights initially just temperature gauge climbing. After 3 day of trying to drive to and from work. "Engine reduced" and P3075 code. Had i...
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POWER TRAIN
Mar 10, 2026
My transmission is defective and past 60,000 miles but only a little. I had a diagnosis and it needs replacing like many of these trailblazers in the ongoing lawsuit. I cannot pay for it and it should not be broken!
UNKNOWN OR OTHER
Mar 10, 2026
While driving on the highway, I heard a loud pop that made me flinch and swerve. After parking I noticed the glass in the sunroof had exploded upward like a volcano, leaving a large hole. Fortunately the shade was closed, or glass would have come into the car while I was drivin...
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ENGINE
Mar 7, 2026
I was driving an hour away from home and suddenly my muffler and exhaust started dragging— 49,000 miles, 5 years old AND just passed inspection A WEEK AGO. Luckily, it didn’t become completely unattached because that could have caused an accident as there were cars behind me. Com...
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SERVICE BRAKES, HYDRAULIC
Mar 7, 2026
The contact owns a 2021 Chevrolet Trailblazer. The contact stated that while driving approximately 70 MPH, the brakes became inoperative. The message "Brake Failure - Speed Reduced to 53 MPH – Service Required" was displayed on the instrument panel. The vehicle was taken to a dea...
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ENGINE
Feb 12, 2026
VEHICLE WAS TAKEN TO DEALERSHIP FEB 2026 FOR TURBO/WASTEGATE REPAIR (P0299). MARCH 22, 2026, VEHICLE STALLED AND SCREEN SAID TO SHIFT TO NEUTRAL AND PUSH TO START AGAIN. CAR WOULD CRANK BUT NOT START (SOUNDS LIKE THERE IS NO COMPRESSION). HAD VEHICHLE TOWED TWO MILES TO RESIDEN...
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ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE
Feb 1, 2026
When stopped at a red light & the light turns green & I accelerate, the vehicle does not move. It makes a loud noise and jumps. This happens way too many times. There’s also an issue with the brakes, when you press on them, you can hear something grinding, which should not be hap...
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UNKNOWN OR OTHER,BACK OVER PREVENTION
Jan 30, 2026
Shift to park message coming on, not allowing vehicle shutoff. No inspection yet, in looking up issue, was prompted to report.
Showing 10 recent complaints from 168 total
View Full Complaint LogCompare Related Vehicles
Why Compare These Pages
The strongest comparison flow is usually: exact vehicle-year page, then nearby years of the same model, then other 2021 Chevrolet models. That sequence helps separate one-off year spikes from broader make-wide patterns.
More Chevrolet Trailblazer Years
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Frequently Asked Questions
How many recalls does the 2021 Chevrolet Trailblazer have?
The 2021 Chevrolet Trailblazer has 4 recalls recorded by NHTSA.
How many complaints have been filed for the 2021 Chevrolet Trailblazer?
NHTSA has received 168 owner-reported complaints for the 2021 Chevrolet Trailblazer.
What is the NHTSA safety rating for the 2021 Chevrolet Trailblazer?
The 2021 Chevrolet Trailblazer received an overall safety rating of 5 out of 5 stars from NHTSA.
What are the most common problems with the 2021 Chevrolet Trailblazer?
The most commonly reported complaint categories for the 2021 Chevrolet Trailblazer are unknown or other (27 reports), power train (22 reports), engine (14 reports).
Does the 2021 Chevrolet Trailblazer have any recalls?
Yes. NHTSA has 4 recalls on record for the 2021 Chevrolet Trailblazer. Scroll up to review the published recall summaries, consequences, and remedies. To check for unrepaired recalls on your specific vehicle, use your VIN at nhtsa.gov/recalls.
Check Another Vehicle
Look up recalls and complaints for any year, make, and model.
This page summarizes publicly available data from the National Highway Traffic Safety Administration (NHTSA). Complaint counts reflect reports submitted to NHTSA by vehicle owners and do not by themselves prove defect severity or vehicle safety. Safety ratings may not be available for all vehicle-years. This site is not affiliated with NHTSA or any vehicle manufacturer. For official information, visit the official NHTSA page for this vehicle.