2021 Ford Expedition: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 113 owner complaints for the 2021 Ford Expedition that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11772115 (filed 10/19/2026): “While driving at highway speeds, specifically during sudden acceleration and lane-change maneuvers, the vehicle experiences a severe dynamic mechanical binding event. the transmission briefly forces a sudden "halt" or engine-braking downshift, causing the vehicle to unexpectedly slow down in active …”
- NHTSA complaint ODI #11769248 (filed 10/06/2026): “My 2021 ford expedition max xlt with the 10r80 automatic transmission has experienced repeated momentary “neutral-out” events while driving. the transmission/park-system components are available for inspection upon request. the most serious incident occurred in september 2026 while i was driving at …”
- NHTSA complaint ODI #11767381 (filed 09/28/2026): “Vehicle has 84,000 miles at it. it started to jerk when putting it into a gear. i thought it was due to the colder mornings no. i was taking the kids to school and it was skipping gears. i was very leary of driving but had no choice. it would not get up to speed the rpms was suffering. i stopped at …”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Diagnosis needs a scan tool; repair or replacement needs a lift, transmission jack and the manufacturer's fluid fill/relearn procedure. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .
