ronnies_mustang_5o
Well-Known Member
No idea how long it takes, I just randomly noticed mine worked. At first I didn't have time to program them, later I noticed they already workedInteresting, maybe that's what happened with my car. I had winter tires/wheels installed and the shop put in the '14 sensors. I watched them try to program one wheel and they said they were getting an error, they didn't even try the other wheels.
So, the plan was to just drive without working sensors until they could get the '15 sensors.
I noticed right away the sensors seemed to be working, but not accurate. As soon as I got home I checked all the wheel pressures versus the display and they were all wrong by a lot. The shop seemed to put random unmeasured pressure in the tires, one was at 44, the lowest was 30. I'm not impressed by that quality of work, but they did surprise me by actually using a torque wrench on the lugs.
Over the next 50 miles or so the pressure display kept going down until I got a TPMS warning, eventually the display just showed -- for each wheel. I did check the pressure my self and they were fine.
Some time later, I'm not sure how many miles, it started working again and seems to be correct.
How long is it supposed to take to automatically program?
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