2021 Ford F-150 service brakes problems
51 owner complaints filed with NHTSA name the service brakes on the 2021 Ford F-150 — 5% of all complaints for this model year.
What owners report
“My 2021 Ford F-150 intermittently displays the warning message “Reverse Brake Assist Not Available – See Manual” when the vehicle is placed in reverse. When this message appears, the reverse brake assist / parking collision warning feature is not available, which may reduce safety while backing up…”
filed Jun 10, 2026
“When I'm driving my truck, usually when I have come to a stop on an incline, the parking/emergency brake will engage on its own. For example, most recently I was pulling out of a driveway with an incline. I was stopped at the bottom of the driveway to wait for the roadway to clear before I pulled…”
filed May 14, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Electronic brake booster may leak brake fluid into the electronic control unit, which…Campaign 21V533000 · Jul 15, 2021
Service Brakes problems in other F-150 years
| Year | Reports | Share |
|---|---|---|
| 2025 F-150 | 16 | 16% |
| 2024 F-150 | 13 | 7% |
| 2023 F-150 | 37 | 9% |
| 2022 F-150 | 21 | 4% |
| 2020 F-150 | 17 | 2% |
| 2019 F-150 | 19 | 1% |
| 2018 F-150 | 68 | 3% |
| 2017 F-150 | 83 | 6% |
| 2016 F-150 | 300 | 15% |
| 2015 F-150 | 297 | 18% |
| 2014 F-150 | 287 | 19% |
| 2013 F-150 | 318 | 11% |
Other reported problem areas on the 2021 Ford F-150
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.