2021 Ford Ranger power train problems
54 owner complaints filed with NHTSA name the power train on the 2021 Ford Ranger — 49% of all complaints for this model year.
What owners report
“Transmission hard shifts in low gear and sometimes slips gears or revs up engine without accelerating then slams into gear lurching forward. Had transmission oil checked by dealer and they said it looked great. Happened 29 July several times and again 5 Aug all throughout the day.”
filed Aug 5, 2026
“The 10R80 10-speed automatic transmission and the gear-shift linkage module are defective, and the truck remains available for inspection. Our safety is constantly put at risk because the transmission exhibits an extremely violent, highly intermittent powertrain lunging jolt during deceleration and…”
filed Jul 29, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
For 2021 2026 vehicles equipped with the 10R80 transmission, a new Transmission Clutch Circuit Leak Test has been introduced in the Ford Diagnosis and Repair System (FDRS). This test utilizes the pressure and vacuum…
SSM 54719 · Service Bulletin/Repair Instructions · issued Apr 2, 2026For 2021- 2026 vehicles equipped with the 10R80 transmission, a new Transmission Clutch Circuit Leak Test has been introduced in the Ford Diagnosis and Repair System (FDRS). This test utilizes the pressure and vacuum…
SSM 54674 · Service Bulletin/Repair Instructions · issued Mar 19, 2026For 2017 2026 vehicles equipped with a 10R transmission, a revision to the Road Testing Vehicle procedure has been made in the WSM, located in Section 307-01 > Diagnosis and Testing. This updated procedure improves the…
SSM 54592 · Service Bulletin/Repair Instructions · issued Feb 17, 2026
Power Train problems in other Ranger years
| Year | Reports | Share |
|---|---|---|
| 2025 Ranger | 10 | 31% |
| 2024 Ranger | 23 | 35% |
| 2022 Ranger | 17 | 46% |
| 2020 Ranger | 45 | 37% |
| 2019 Ranger | 90 | 34% |
| 2011 Ranger | 5 | 2% |
| 2010 Ranger | 1 | 1% |
| 2009 Ranger | 3 | 2% |
| 2008 Ranger | 1 | 0% |
| 2007 Ranger | 2 | 1% |
| 2006 Ranger | 4 | 1% |
| 2005 Ranger | 8 | 3% |
Other reported problem areas on the 2021 Ford Ranger
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.