2021 Chevrolet Blazer problems and recalls

Owners have filed 139 complaints on the 2021 Chevrolet Blazer, and NHTSA has issued 1 recall. The most cited component is the Engine (42 complaints).

139
Complaints
1
Recalls
6
Crash reports
1
Fire reports
7
Injuries
61.5
Severity index

Severity index 61.5 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 61.5p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 37 of 94 by severity index among 2021 vehicles with at least 40 complaints, highest first. 61% of those vehicles scored lower. Full 2021 ranking.

Components cited in complaints

EngineEngine: 42 complaints (30.2%)42 30%Electrical SystemElectrical System: 40 complaints (28.8%)40 29%Unknown Or OtherUnknown Or Other: 22 complaints (15.8%)22 16%Service BrakesService Brakes: 20 complaints (14.4%)20 14%Power TrainPower Train: 18 complaints (12.9%)18 13%Fuel/Propulsion SystemFuel/Propulsion System: 17 complaints (12.2%)17 12%SteeringSteering: 15 complaints (10.8%)15 11%Forward Collision Avoid…Forward Collision Avoidance: 8 complaints (5.8%)8 6%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
ENGINE4230.2%
ELECTRICAL SYSTEM4028.8%
UNKNOWN OR OTHER2215.8%
SERVICE BRAKES2014.4%
POWER TRAIN1812.9%
FUEL/PROPULSION SYSTEM1712.2%
STEERING1510.8%
FORWARD COLLISION AVOIDANCE85.8%

Complaints filed per year

030602021: 112022: 42023: 122024: 142025: 602026: 38 (partial year)21222324256026
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
202111
20224
202312
202414
202560
2026 (year to date)38
Filings in 2023 to 2025 ran 5.7x those in 2021 to 2022 (86 against 15).

Recall campaigns

CampaignReportedComponentSummary
20V81100023/12/2020SEAT BELTSGeneral Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles

Other Chevrolet Blazer model years

Severity index for every other model year on file. Compare all 7 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-10-23. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.