2021 Ford Bronco Sport power train problems
173 owner complaints filed with NHTSA name the power train on the 2021 Ford Bronco Sport — 26% of all complaints for this model year.
What owners report
“Engine sputtering between 1st and 2nd gear. Recall is still not resolved regarding computer update at this time and dealership said no code no repair for over a year. Now I must replace the transmission. Ford has known about the issue many tsb issued for the powertrain issue.”
filed Aug 4, 2026
“When making a slower turn mainly when turning to the right or backing up to the right the RS rear wheel is intermittently locking upor dragging and letting loose multiple times in a row. It does it turning to the left but not as bad. This issue causes the vehicle to not want to drive correctly or…”
filed Jul 27, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Body and power train control modules may fail to detect a change in the 12-volt battery…Campaign 25V158000 · Mar 14, 2025
- An inadequate amount of lubricant in the rear drive unit may cause seizure of the rear…Campaign 21V011000 · Jan 15, 2021
Related service bulletins
This bulletin supersedes 26-2194. Reason for update: update the Parts list to correct a part description " Loctite 638", update the claim quantity for the drain/fill plug, update the claim quantity of the wheel hub…
TSB 26-2328 · Service Bulletin/Repair Instructions · issued Jul 15, 2026Some 2020-2026 Corsair/Escape, 2021-2026 Bronco Sport, and 2022-2026 Maverick vehicles equipped with an 8F35 transmission may exhibit a shudder condition, most noticeable at speeds below 60 mph (100 km/h), with no…
SSM 54939 · Service Bulletin/Repair Instructions · issued Jun 16, 2026Some 2020-2026 Corsair/Escape, 2021-2026 Bronco Sport, and 2022-2026 Maverick vehicles equipped with an 8F35 transmission may exhibit a shudder condition, most noticeable at speeds below 60 mph (100 km/h), with no…
SSM 54797 · Service Bulletin/Repair Instructions · issued May 4, 2026This bulletin supersedes 25-2627. Reason for update: To add a Step to reprogram the all-wheel drive (AWD) module for Bronco Sport vehicles. Some of the vehicles listed in the Model statement above may exhibit all of the…
TSB 26-2194 · Service Bulletin/Repair Instructions · issued Apr 26, 2026
Power Train problems in other Bronco Sport years
| Year | Reports | Share |
|---|---|---|
| 2025 Bronco Sport | 6 | 18% |
| 2024 Bronco Sport | 17 | 18% |
| 2023 Bronco Sport | 19 | 13% |
| 2022 Bronco Sport | 58 | 17% |
Other reported problem areas on the 2021 Ford Bronco Sport
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.