Power transfer unit leak and transmission shift failure
POWER TRAIN
15 NHTSA complaints · 2016-10 → 2024-09
“The contact owns a 2008 Lincoln MKX. The contact stated while driving at an undisclosed speed, the transmission unexpectedly downshifted. There was no warning light illuminated. The dealer was not contacted. The vehicle was not diagnosed or repaired”
“MKX has 75000 miles on it and the tss and oss sensors have gone out. Car goes into limp mode and will barely move, it shifts very hard, speed odometer quits and all the warning lights come on”
“DRIVING DOWN THE HIGHWAY AND TRANSMISSION SHIFT TO LOW BY ITSELF. IT ALMOST CAUSED ME TO GET IT. THE PTU IS LEAKING TRANSMISSION FLUID. YOUNEVERKNOW WHEN IT IS LOW. THIS CAR HAD THIS PROBLEM SINCE IT WAS MANUFACTURED AND THEY NEVER FIXED THE PROBLEM”