2017 Ford F-350 SD power train problems
23 owner complaints filed with NHTSA name the power train on the 2017 Ford F-350 SD — 4% of all complaints for this model year.
What owners report
“The truck unexpectedly downshifts to 1st gear when traveling up to 45 mph and causes a dangerous change in speed. It recovers after a few seconds and goes back to normal shifting. This has happened multiple times. Once about 6 months ago and then again a couple days ago.”
filed Apr 17, 2026
“While driving my 2017 Ford F-350 equipped with the 6R140 transmission, the vehicle experienced a sudden and complete transmission failure due to a valve body malfunction. Without warning, the transmission lost all ability to engage gears, resulting in an immediate loss of power and drivability…”
filed May 28, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- A radial damper inside the driveshaft may move out of position over time, which can cause…Campaign 22V880000 · Nov 29, 2022
Power Train problems in other F-350 SD years
| Year | Reports | Share |
|---|---|---|
| 2024 F-350 SD | 6 | 14% |
| 2023 F-350 SD | 3 | 8% |
| 2022 F-350 SD | 13 | 12% |
| 2021 F-350 SD | 10 | 11% |
| 2020 F-350 SD | 52 | 28% |
| 2019 F-350 SD | 9 | 2% |
| 2018 F-350 SD | 4 | 2% |
| 2016 F-350 SD | 17 | 8% |
| 2015 F-350 SD | 16 | 8% |
| 2012 F-350 SD | 1 | 3% |
| 2011 F-350 SD | 4 | 9% |
| 2010 F-350 SD | 1 | 2% |
Other reported problem areas on the 2017 Ford F-350 SD
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.