Because you just drove the car first. They stay awake for a few minutes after stopping, but reporting tire filling in real time is not what they were designed for. Other car brands may have that feature, but not Ford.
Ah, that makes sense!
The tire pressures can also update hours after driving. When I park in my garage, tire pressures are elevated due to the heat from the drive I just finished, and the elevated pressures can be seen in the app. If I wait a few hours and wake the car without driving it (e.g., by unlocking the doors via internet rather than via Bluetooth), the tire pressures update and I can see in FordPass or ford.com that they are 2 or 3 psi lower than when I parked. Because the tires have cooled off.
The BCM can listen for the TPMS signals for a period after the car is turned off. But eventually things go to sleep and don't update very often unless the car is getting woken up. The transmit rate goes way down while stationary, otherwise the batteries would go dead in only a year.
Exactly, and btw stop responding to antagonistic comments, just a waste if your time man. Its definitely a great thing to be able to check my tire pressure wherever I am, whenever i think of it.
Just tested it - started the climate and it immediately updated the tire pressures. So it is definitely not the driving, but the car being awake.
Yes. I received an alert last year in the evening that my tire was flat. I was able to take care of it before work the next day.
The new app update is garbage in my opinion.
Well I will admit that would be convenient. That is the whole purpose of Fordpass.
YES - For when you're low and filling them up at the pump but don't want to peek inside to see updates. In reality the screen info is large enough to see without opening the doors, but there was this one time my son called me to ask how much air to pump and I was able to monitor it remotely.
I picked up a roofing nail a few months ago. I started the MME and the warning appeared on the screen immediately. I was able to temporarily fill it with the MME provided pump. I forget whether it also showed on my phone. Other than warnings I check TP around once a month and add 1-2 pounds at that time.
That's a special situation, gross leak detection algorithms are different and trigger immediate reporting when the vehicle is turned on.
Works every time.
