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I have replaced 3 tire pressure sensors so far on my 2010 FFH due to failing batteries. First one in 2016 around 95K miles, and the most recent this week at 125K. All of mine have died in the winter- maybe cold temps are partly to blame. I used the Schrader 20315 TPMS Sensor (valve type) purchased from Amazon or RockAuto. Perfect fit and appears to be the OEM part. I had a tire shop install the new sensor for $10. To identify the correct sensor to replace you need to put the car in TPMS training mode and use the Motorcraft TPMS19 transmitter required to program/train the new sensor to the car. The wheel that does not respond to the transmitter is the dead one. Once the sensor is replaced you use the TPMS19 transmitter to sync the new sensor to the car in training mode. I'll attach the instructions for doing this. Pretty easy fix if you decide to do it yourself and have a tire shop to change out the sensor. Fault light and message will go away on its own. TPMS instructions.pdf

TPMS battery life is anywhere from 5-10 years. Since your Fusion is 10+ years old, you've passed the expected battery lifespan. While you might be able to isolate an individual wheel, the others can't be too far behind, and you'll only have to repeat the process. You could always opt for the old black electrical tape placed over the warning message "fix." ?

I own a 2010 myself and can tell you for fact that mine uses the valve stem sensors if that helps at all. And I only know this because the dope who owned the car prior to me had new tires put on a few months before selling it, the tire pressure sensor failure light was present at the time of the tire change and the mechanic offered to change out the sensors while changing the tires.......... and the owner DECLINED because he didn't want to pay the extra. So now I am the new owner, and have tires that are virtually new, and a TPS failure that I'm going to have to wait out foreverrrrrr AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH!!!

Hi Vonore. The information "md" gave you above is correct. But to answer your questions: 1- Unfortunately no. We need to replace the sensor itself. 2- Possibly. I've never heard of it being done that way, but that does not mean it can't. Only way to find out is to try. 3- No. It is a Federally mandated safety feature which can not be turned off. When are you due for new tires? If you can wait until then, just wait and save the money on dismounting and remounting your current tires. Also, keep in mind that for a number of years, the MKZ used a band type TPMS sensor, as opposed to the valve stem sensors used on later models. I am not sure exactly what year the changeover was made, if the change was made when the second generation arrived or earlier, etc. So be sure which ones your 2010 uses before purchasing. Keep us updated and and good luck.

A pressure sensor fault is different than the tire pressure actually being low. There are batteries in each of the 4 tire pressure sensors and over time those batteries go low and give this fault. Has nothing to do with the actual tire pressure being low. It's kind of a pain in the butt, because in order to fix it the 4 sensors should be replaced, even if just 1 of them has a low battery the other 3 are probably close behind it. And in order to replace them the tire has to be taken off the rim and the valve stem area accessed. So unless you have access to that equipment, it's not a do-it-yourself fix The best solution is addressing this the next time you replace your tires, since that area has to be accessed anyway at that point. If your tires are going to need replacing soon, then knock it out then. Otherwise, you're stuck either waiting it out or biting the bullet and having the work done.