2012 Ford Expedition: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 64 owner complaints for the 2012 Ford Expedition that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11729726 (filed 04/07/2026): “The contact owns a 2012 ford expedition. the contact stated that while his wife was driving 30 mph, the transmission unexpectedly downshifted, causing the occupants to lunge forward. the tires squealed and the wheels locked up. the vehicle was turned off but failed to restart. no warning light was i…”
- NHTSA complaint ODI #11720153 (filed 02/24/2026): “While exiting the freeway at approximately 45 to 50 mph, the transmission downshifted to 1st gear locking up the tires.…”
- NHTSA complaint ODI #11695051 (filed 10/22/2025): “Over a period of time this problem is occurring more often. the vehicle will downshift into first gear. i pull over check engine light is on. i turn off wait turn back on and no problem for awhile. within the last month this has occurred many times . each time the check engine light comes on but als…”
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 .
