Abstract: A vehicle tire monitoring system including a tire and wheel assembly. The tire and wheel assembly may include a wheel having a rim portion including an inside surface; a tire including a tire carcass having an inner surface and an outer surface with a tire tread over a radially outer portion of the outer surface, and with the inner surface and the inside surface of the rim portion forming a cavity in which pressurized air is sealed; and a tire sensor assembly mounted on the inside surface of the rim portion in the cavity and including an infrared sensor and a wireless transmitter operatively engaging the infrared sensor, with the infrared sensor oriented to detect a temperature on the inner surface of the tire carcass at a location opposite to a portion of the tire tread.