2021 Chevrolet Tahoe fuel/propulsion system problems
91 owner complaints filed with NHTSA name the fuel/propulsion system on the 2021 Chevrolet Tahoe — 21% of all complaints for this model year.
What owners report
“The engine in my 2021 Chevrolet Tahoe High Country equipped with the 6.2L V8 (L87) experienced a catastrophic failure. While driving, the vehicle suddenly lost power, displayed a “Service ESC” warning, illuminated the check engine light, and unexpectedly shifted into Neutral. After stopping the…”
filed Jul 26, 2026
“DATE: 06/17/2026 The engine shuts off without warning while I am driving, recurring roughly every 10 miles. When it stalls, the dashboard and electrical accessories stay on, but the vehicle loses motive power, along with power steering assist and power brake assist, which is extremely dangerous at…”
filed Jul 2, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Tahoe years
| Year | Reports | Share |
|---|---|---|
| 2024 Tahoe | 6 | 10% |
| 2023 Tahoe | 8 | 4% |
| 2022 Tahoe | 17 | 10% |
| 2020 Tahoe | 3 | 5% |
| 2019 Tahoe | 25 | 25% |
| 2018 Tahoe | 7 | 7% |
| 2017 Tahoe | 8 | 5% |
| 2016 Tahoe | 14 | 5% |
| 2015 Tahoe | 51 | 8% |
| 2014 Tahoe | 3 | 3% |
| 2013 Tahoe | 3 | 1% |
| 2012 Tahoe | 1 | 1% |
Other reported problem areas on the 2021 Chevrolet Tahoe
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.