Yeah - It is a "bummer" in that the TPMS on the Crossfire only tells you there is an issue. We don't know whether it is a defective wheel sensor or which one. Could even be a defective TPMS Module. If it is just low tire pressure, we don't know which tire. With some of the newer systems, the warning light will ""blink" if it is a system defect. I might have that backwards on whether the blinking warning light is for a system defect or low tire pressure. For the model years back then, probably a fairly good system.