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Discussion in 'Model X: Driving Dynamics' started by kktmatt, Feb 5, 2016.
, i. Does the TPMS on the Model X report the pressure for each tire, ie. Front Right,Rear Left?
Yes, it's in an app on your instrument panel.
Is there a trick to getting the app to start working? I just get dotted lines for each tire where there should be pressure readings. Doesn't seem like it's working and hasn't since I picked up the car last week. Maybe I'm just missing something.
From page 142 in the manual. Not the exact issue you are having but could be related:
"The Tire Pressure indicator light does not immediately turn off when you adjust tire pressure. After inflating the tire to the recommended pressure, you must drive over 25 mph (40 km/h) for more than 10 minutes to activate the Tire Pressure Monitoring System (TPMS), which turns off the Tire Pressure indicator light."
Are the TPMS the same as the Model S?
According to my SA, they are different and come with different pricing as well. Was told that the S tpms costs $30 each while the Xs cost $50 each. You also cant reset the tpms on the X from the UI. You would need to bring it into sc to get new tpms logged to the car. On the S, you can just reset the sensors on the screen.
How are people supposed to switch wheels for the winter time? It needs to be taken in to the SC to put on the winter wheels? My closest SC is in another state...
Thats correct...kinda annoying. SC will charge $90 everytime that needs to be done. I dont see why they couldnt have done it like the Model S
I guess that's why the SC suggested I just get winter tires mounted on my stock wheels for the winter time. I can't imagine it would be cheaper to do that every season, but it would save a 360 mile round trip. I hope Tesla releases a TPMS sensor reset option in a software update before the winter time.
Any news on whether Tesla is adding TPMS reset to MX? Seems weird to have it on MS (adding it in update after people complained) and not to have it on MX.
Does a dash reset accomplish this? The TPMS in my MX is constantly updating, values are changing as temp of tires increase.
So I reached out to my local SC. Can't say enough good things about Tesla service! Here's the response:
"The tire pressure system on the Model X will actually go through an automatic learning procedure so you do not need to activate a reset through the touchscreen...The Model X will not know the difference between Tesla and aftermarket sensors...I will caution you to the fact we have not seen many customers have luck in the aftermarket sensor department."
Interesting information. So if I purchase a set of Tesla winter tires and swap them out myself and start driving around, the vehicle will automatically recognize the winter tire TPMS sensors? I guess that's why it takes some driving time to get a TPMS reading on the cluster. Must be some kind of initialization and handshaking that needs to happen when the TMPS sensor detects movement. This might also act as a safeguard against malicious TPMS sensor attack vectors if there's some kind of rolling code used between the TPMS sensor and vehicle every time the car is used.