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Air bagsPart report

2021 Chevrolet Trailblazer Air bags Problems

Complaints
3about this part
Share
2%of 198 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the air bags of the 2021 Chevrolet Trailblazer, 2% of the 198 complaints for this model year. 1 of these say a crash was involved, 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.

“Someone pulled out in front of me going 45 mph and totaled my car when they smashed into the front drivers side of my vehicle. My airbags didn’t deploy and no warning notifications or emergency braking ever occurred. This is dangerous and was severe enough to total my vehicle. My airbags should have deployed. No warning lights or any other issues when it occurred. It was inspected by insurance and determined a total loss.”

NHTSA complaint #11497875, filed 2022-12

“On June 10, 2021 I was driving home at a speed of approx 65 miles an hour from the grocery store on Interstate 255 when all my side airbags suddenly exploded. My 2021 Chevy Trailblazer RS was 3 months old and had 3500 miles on the car. After exiting the vehicle, I found the rear passenger tire was flat. Upon changing the tire, we discovered that the wheel had split apart. There is no damage to the body or underneath the vehicle. There was no large potholes or debris anywhere in the area. …”

NHTSA complaint #11427287, filed 2021-07

“Vehicle Diagnostic Summary – Trouble Codes Explained 1. P0562 – System Voltage Low The vehicle’s electrical system is running at low voltage. This could be due to a weak battery, a failing alternator, or poor electrical connections. It may cause various electronic issues and unexpected shutdowns if not fixed. 2. P1005 – Fuel Level Sensor Control Module: Too Many Resets The fuel level sensor module has been reset too many times, likely due to electrical glitches. This may cause the fuel gauge to be inaccurate or unstable. 3. …”

NHTSA complaint #11676063, filed 2025-07

Air bags: other model years

YearComplaintsShare of year
2026217%
202514%
202357%
202211%
202132%
2009415%
20083317%
2007274%
2006313%
2005705%
2004424%
2003576%
20021029%
2001210%
2000312%

Other parts of the 2021 Chevrolet Trailblazer

Other or unknown
59 complaints
Electrical system
41 complaints
Transmission and drivetrain
41 complaints
Engine
39 complaints
Brakes
32 complaints
Fuel system
18 complaints
Forward collision avoidance
11 complaints
Body and structure
8 complaints
Steering
6 complaints
Vehicle speed control
5 complaints
Visibility (wipers, defrost, mirrors)
4 complaints
Back-over prevention (rear camera)
3 complaints

← All problems reported for the 2021 Chevrolet Trailblazer

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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