Learn when TPMS sensor replacement is needed, how sensor modes work, and tips for troubleshooting signal issues in the shop.

The sensor mounts inside the tire and wirelessly transmits warnings about over- or under-inflation to the vehicle.

Since your tires' pressure is always fine, I'm guessing one of the sensors is not working at all. It could be that they replaced your pressure sensor with a nonfactory sensor.

NASHVILLE, Tenn. — Upgrades to its tire maintenance program and adding RFID, or Radio Frequency Identification Technology, to its truck tires and retreads represent a continued expansion of ...