Originally Posted by BigBlueEdge
I have the HIDExtra HIDs in lows and fogs. I've noticed that often when I turn the fogs on the tire pressure warning light comes on for a second or two on the dash. It does not stay on. It is definitely related to HIDs though. I suspect that when the HIDs start up they interfere with the RF signals between the tire sensors and the receivers.
This is a likely scenerio since the sensors communicate with the WIN module in the dash.