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Originally Posted by Saleen13  I changed out my cai today and after I hooked the battery back up I got a warning saying my tpms was not functioning properly. Any ideas why? | If for some reason you need to reprogram your TPMS sensors you could try this from Steeda: Tire Pressure System Programming Tool - '07-'09 Ford Mustang
I bought one just like it (for about the same price) off of ebay when I got my new rims and tires with sensors already installed. It comes with instructions on how to put the car in program mode and how to go about initializing each sensor. It is odd that you would need to do this though. I have had my TPMS alarm go off after I reflash my tune, but it normally clears itself. Did you try disconnecting the battery and reconnecting it? Worth a try I guess.
__________________ 2007 Mustang V-6 w/ Pony Package, Automatic Transmission, Performance White w/ painted Vista Blue racing stripes. Current Mods: X-Charger #78, 8.8" GT Take-off rear axle w/ 3.73 gears and T-loc, GT side rocker panels, GT rear bumper, JBA H-pipe and mid-pipes, Dual GTA cat-back mufflers, 14" shorty antenna, 3D Carbon air dam (chin spoiler). | 
2005 Mustang V6-TPMS not working 
