Unexpected downshift from 6R80 transmission lead frame
POWER TRAIN
30 NHTSA complaints · 2018-04 → 2026-06
“The contact owns a 2014 Ford Expedition. The contact stated while driving 65 MPH, the transmission downshifted to first gear unexpectedly, causing the rear tires to lock-up”
“P0722 code stored in power train control module. Intermittent output shaft speed sensor failure”
“My mother in law contacted me and stated her 2014 ford expedition’s transmission felt like it was failing. I drove same the next day”