Recalls, complaints, and safety data from NHTSA
The 2021 Chevrolet Blazer has 1 recall, 109 complaints, and a 5-star overall safety rating from NHTSA.
1
Recalls
109
Complaints
★★★★★
Safety Rating
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 7, 2026
20V811000
SEAT BELTS
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Esc...
Overall
★★★★★
Front Crash
★★★★★
Side Crash
★★★★★
Rollover
★★★★★
Rating for: 2021 Chevrolet Blazer SUV AWD
| Date ↓ | Component | Summary |
|---|---|---|
| Mar 9, 2026 | POWER TRAIN | My 2021 Chevy blazer Lt v6, has a service bulletin extending warranty on thermostat malfunction, th... |
| Feb 19, 2026 | UNKNOWN OR OTHER | At 48,000 miles, check engine light came on and loud fan sound continued after turning car off. Too... |
| Feb 7, 2026 | ENGINE | The 2021 GMC Blazer (and related Chevy Blazer models) is experiencing recurring radiator failures, o... |
| Jan 7, 2026 | POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | This submission is an additional report related to NHTSA complaint #11714381. At approximately 55,0... |
| Jan 7, 2026 | POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | Around 55,000 miles, my 2021 Chevrolet Blazer experienced a throttle body failure. The check engine ... |
| Dec 13, 2025 | POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE | For about a week and a half my car had made a high pitched wheezing/hubbing sound when started cold.... |
| Dec 3, 2025 | ELECTRICAL SYSTEM | "Steering assist reduced" message was displayed. At the same time the temperature gauge stopped work... |
| Dec 1, 2025 | UNKNOWN OR OTHER | Thermostat issues, gives warning steering assist decreased and then eventually check engine light, v... |
| Nov 17, 2025 | POWER TRAIN,UNKNOWN OR OTHER,ENGINE | My 2021 Chevrolet Blazer experienced a radiator failure at approximately 42,000 miles. The radiator ... |
| Nov 16, 2025 | ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM | Car was running fine yesterday, today does not want to start. Thought it was the battery, bought ane... |
| Nov 15, 2025 | STEERING,ENGINE | In September 2023, when getting my vehicle serviced for a routine oil change, I was told there was a... |
| Oct 28, 2025 | ENGINE | Radiator failure caused power steering assist to not function properly and insufficient vehicle heat... |
| Oct 17, 2025 | FUEL/PROPULSION SYSTEM | I was driving at approx 45 mph when my car lost all ability to accelerate and shut down in the stree... |
| Oct 14, 2025 | ELECTRICAL SYSTEM,EQUIPMENT | See attached document for complaint. |
| Sep 30, 2025 | STEERING,ELECTRICAL SYSTEM,UNKNOWN OR OTHER | Request for Recall Review – 2021 Chevrolet Blazer Steering Assist and Cooling Fan Issue Hello, I ... |
| Sep 28, 2025 | POWER TRAIN | The contact owns a 2021 Chevrolet Blazer. The contact stated that while her husband was driving 60 M... |
| Sep 19, 2025 | POWER TRAIN | Steering assist reduced warning came on with engine light. When car turned off , radiator fan contin... |
| Sep 19, 2025 | ENGINE | Was informed at today's oil change that my radiator is leaking and it's something that they are seei... |
| Sep 18, 2025 | ELECTRICAL SYSTEM,ENGINE | Action Required "Steering Assist Warning" drive with caution, Temp gage reads cold, A/C stops workin... |
| Sep 15, 2025 | SERVICE BRAKES | Brake booster failed after 50k miles needing repair. Brake became very still, prolonging the time it... |