We had a very cold spell a week ago today where the overnight temp got to -4 degrees. The next day I had a TPMS light on so I checked the tire pressure. 3 tires had 35 psi and the rear passenger tire had 32psi. I got my air hose out and filled to match the other 3...35psi. I've driven the car a whole week now and the light remains on. Do you think the extreme cold has done something to one of the sensors. I guess I could remove a battery cable for a few minutes to get it to go out but I think it should go out on its own as before. Last time I drove the car for just a few minutes and the light went out. Not this time.
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