Powertrain complaints and recalls from NHTSA
Summary
The 2021 Chevrolet Trailblazer has 34 NHTSA powertrain complaints and 0 powertrain-related recalls.
34
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Mar 10, 2026 | POWER TRAIN | My transmission is defective and past 60,000 miles but only a little. I had a diagnosis and it needs... |
| Oct 30, 2025 | POWER TRAIN | The contact owns a 2021 Chevrolet Trailblazer. The contact stated that while attempting to park, the... |
| Aug 31, 2025 | POWER TRAIN,ENGINE | The contact owns a 2021 Chevrolet Trailblazer. The contact stated that after reversing, the transmis... |
| Aug 14, 2025 | POWER TRAIN | The contact owns a 2021 Chevrolet Trailblazer. While the contact's wife was attempting to park the v... |
| Aug 12, 2025 | POWER TRAIN,ELECTRICAL SYSTEM | My vehicle displayed a Shift to Park message even though I was already in Park. I could not turn off... |
| Jul 27, 2025 | POWER TRAIN | I am unsure which component maybe failing, Vehicle has not been in altered in any way ,inspected yet... |
| Jul 1, 2025 | POWER TRAIN | My 2021 Chevrolet Trailblazer has a defect in the gear shifter system that intermittently fails to r... |
| Jun 18, 2025 | POWER TRAIN,UNKNOWN OR OTHER | The vehicle keeps vibrating binding lurching jumping when driving going in reverse and turning the c... |
| Jun 10, 2025 | POWER TRAIN | wont go into park |
| Apr 28, 2025 | POWER TRAIN | The contact owns a 2021 Chevrolet Trailblazer. The contact stated that while attempting to park the ... |
| Apr 14, 2025 | POWER TRAIN | At 44 K miles, my car started giving me a message "Shift in to park" after I stopped my car and turn... |
| Mar 13, 2025 | POWER TRAIN | The contact owns a 2021 Chevrolet Trailblazer. The contact stated while parking the vehicle, the gea... |
| Feb 21, 2025 | POWER TRAIN,VEHICLE SPEED CONTROL,UNKNOWN OR OTHER | Engine power reduced came on after I was driving from a patient’s home. My car started driving very ... |
| Dec 5, 2024 | POWER TRAIN,ELECTRICAL SYSTEM | The contact owns a 2021 Chevrolet Trailblazer. The contact stated that while attempting to remove th... |
| Nov 20, 2024 | POWER TRAIN | This vehicle has approximately 35,000 miles of driving time on the odometer. This car will not recog... |
| Nov 10, 2024 | POWER TRAIN | The contact owns a 2021 Chevrolet Trail Blazer. The contact stated that after shifting to the park p... |
| Nov 5, 2024 | POWER TRAIN | Receiving "Shift to Park" alert when vehicle is already in Park. |
| Oct 17, 2024 | POWER TRAIN | When attempting to park the car I am able to shift into park, however, I get a message on the dashbo... |
| Oct 11, 2024 | POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | On [XXX] I shifted my 2021 Chevy Trailblazer to park and and was unable to shut off the vehicle. Whe... |
| Sep 19, 2024 | POWER TRAIN,SERVICE BRAKES | What component or system failed or malfunctioned, and is it available for inspection upon request? -... |