[Ross] has a 2008 Toyota Tacoma. Like many late model cars, each tire contains a direct tire pressure monitoring sensor or TPMS that wirelessly sends data about the tire status to the car.

That work was based on tapping into the OBD-II ... At this point, the real world implications are limited because TPMS sensors have a very short range and update the car's ECU only every 60-90 ...