There are 4 owner-reported powertrain & transmission complaints for the 2010 Lincoln MKXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TRANSMISSION RANGE SENSOR BAD- -ON SEVERAL OCCASIONS WHILE VEHICLE WAS IN DRIVE, VEHICLE STOPPED MOVING, TWICE ON HIGHWAY (MOVING IN MIDDLE LANE), TWICE ON DOWNHILL EXIT RAMP (STOPPED AT RED LIGHT), AND TWICE ON CITY STREET INCLINE (IN MOTION), YELLOW WRENCH INDICATOR FLICKERED ON AT LEAST TWO OF THESE OCCASIONS WHICH DEALER SAID RECORDED A KNOWN PROBLEM, COST TO REPLACE SENSOR $930.40
VEHICLE STARTED MAKING HUMMING SOUND WHILE ACCELERATING AT LOW SPEED. NOTICED A LEAK OF VERY DARK FLUID THE FOLLOWING DAY. TOOK IT TO MECHANIC WHO DIAGNOSED THE ISSUE AS A LEAKING PTU (POWER TRANSFER UNIT). I'VE LOOKED INTO THIS AND THERE APPEARS TO BE A ISSUE WITH THE DESIGN ON THE SEALS. IT APPEARS TO BE A PREVALENT ISSUE WITH FORD EDGE/LINCOLN MKX THAT HAS NOT BEEN ACKNOWLEDGED/CORRECTED BY FORD. I'VE ATTACHED A LINK SHOWING NUMEROUS COMPLAINTS AND SOME EXAMPLES OF PEOPLE LOSING POWER/ACCELERATION WHILE DRIVING. HTTP://GOTACLASSACTION.COM/15796-2/. *TR
PTU (POWER TRANSFER UNIT) WHICH IS A NONSERVISABLE UNIT FAILS AND HAS BEEN ON NUMEROUS VEHICLES. THIS FAILUR HAS THE POTENTIAL OF CAUSING A SERIOUS ACCIDENT DUE TO IT POSSIBLY LOCKING UP AND CAUSING A VEHICLE LOSE OF CONTROL. I DRIVE ON THE HIGHWAY AND DIDN'T NOTICE AN ISSUE UNTIL I SLOWED DOWN TO GET OFF WHEN I HEARD A GRINDING NOISE. TRANSMISSION SHOP TOLD ME I WAS LUCKY MINE DIDN'T LOCK UP.
TRANSMISSION SLIPPING,THEN SLAMMING INTO GEAR. LIKE EVERYONE THAT HAS THIS PROBLEM, AND THERE ARE MANY FORD EDGE AND LINCOLN MKX FORUMS ON VARIOUS WEB SITES HAVE BEEN COMPLAINING ABOUT THIS PROBLEM. TAKE IT TO THE DEALER AND THEY CANT FIND ANY PROBLEM. OR THEY SAY IT IS NORMAL, ARE THEY FOR REAL...IM TAKING THE TSB INFO TO THEM THIS WEEK AND SEE WHAT THEY SAY. DONT THEY EVEN READ THESE TSB REPORTS? HERE IS FIVE THAT I HAVE FOUND SO FAR. TSB 10-21-2 10-9-9 11-5-6 11-12-10 SB-21430 NEVER SEEN ANYTHING ON THE SERVICE WRITE UP ABOUT THESE TSB ISSUES AFTER I PICKED UP MY MKX. THEY RESET THE COMPUTER AND SEND YOU ON YOUR WAY AND IT WILL RUN FINE FOR A THOUSAND MILES AND START THE SLIP AND SLAM AGAIN. IT WILL NOT HAPPEN ALL THE TIME AND THAT IS THE PROBLEM WHEN YOU TAKE IT BACK TO THE DEALER FOR SERVICE. WORKING WITH FORD CUSTOMER RELATIONS CENTER ON THIS ISSUE. *TT
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026