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Car doesn't see new TPMS

dingmah

Member
May 4, 2019
70
59
Canada
My tire shop installed aftermarket dual frequency 315/433mhz sensors that didn't sync up until the next day after the car had gone to sleep. Then before I drove the car, I hit the relearn TPMS button, and within about a mile it popped up saying it detected a wheel change. Once I hit it, then it synced up the new TPMS.
 

KG2V

Member
Mar 9, 2019
203
158
Bayside, NY
So, after TWO sensors that would not read! I brought one of my summer tires to my auto shop, and had them pull the sensor and put it in the winter tire - No issues. (Tesla won't touch aftermarket rims/tires). I then took my summer tire (now without a TPS) to Tesla on my service appointment, and had them put in a TPMS sensor
 

mswlogo

Well-Known Member
Aug 27, 2018
6,121
4,733
MA, NH
Well, good news/bad news/More information
3 of the 4 tires have sync'd up - the driver rear still won't communicate

What did you do to get from no sensors to 3 working?

I've bought 8 Sensors from Tirerack and 4 from Tesla. Everyone synced up no issue.
 

TTM3

Member
Oct 18, 2019
36
31
Broomfield, CO
Bought my new tires and TPMS at Discount Tire as well and after a week and a half they are still not working so going back for another appointment... frustrating
 

hd-2

Member
Aug 6, 2018
59
122
Chicago
I had a pretty strange experience this winter as well. MCU kept crashing anytime I tried to do the recalibration the night that I swapped sets, so I figured some config file with the addresses of the TPMS on the winter set was corrupt. I made a service appointment, and the following day, without any intervention it gave me the new tire size detected prompt. The night before I did the usual resetting of everything, restarting, changing sizes, recalibrating, driving around my neighborhood at various speeds, etc.

As crazy as it sounds, considering that I set up an appointment using the app, and posted pics of the error messages ("Tire pressure monitoring system fault - Sensors unable to measure tire pressure" and all the other related TPMS error messages people have posted), I'm imagining that someone just remotely wiped a file that had a corrupt config in it, and the next time I started driving in the morning, it did the normal checks. Maybe something else triggered it, but I'd like to believe that they saved themselves a service center visit with some remote diagnostics.
 

N54TT

Member
Aug 14, 2018
961
739
NY
I had a pretty strange experience this winter as well. MCU kept crashing anytime I tried to do the recalibration the night that I swapped sets, so I figured some config file with the addresses of the TPMS on the winter set was corrupt. I made a service appointment, and the following day, without any intervention it gave me the new tire size detected prompt. The night before I did the usual resetting of everything, restarting, changing sizes, recalibrating, driving around my neighborhood at various speeds, etc.

As crazy as it sounds, considering that I set up an appointment using the app, and posted pics of the error messages ("Tire pressure monitoring system fault - Sensors unable to measure tire pressure" and all the other related TPMS error messages people have posted), I'm imagining that someone just remotely wiped a file that had a corrupt config in it, and the next time I started driving in the morning, it did the normal checks. Maybe something else triggered it, but I'd like to believe that they saved themselves a service center visit with some remote diagnostics.

the night before....Did you ever park the car and give it 20-30min to go to sleep? I’ve mentioned it before there is something that happens when you let it sleep. Things are reset that the two wheel button and even the shutdown in the menu don’t do when you let it go to sleep and reset.
 

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