First of all, make use of an extra key if You have one. If You dont have an extra key, then You can disconnect both of the batteries for about 15 to 20 minutes. Your system should be reset by now. However, if Your system doesnt reset, You can try this other way. Hit the panic button found on the key fob. Next, You need to put Your key in the slot of the engine, and turn it to the ON position, at least 3 successive times. This procedure works for the 2008 to 2012 models of Ford F-250 vehicles. If the problem still persists, You may need to take the vehicle to a repair shop for a detailed diagnosis. If one of the car components have gone bad, then Youll need to have them replaced.
Viola L
July 16, 2020
To reset the 2009 ford f250 anti theft system press the panic button on the key fob, then place your key into the slot in the ignition and turn it to the on position three times
Tom
October 5, 2022
Anti theft light flashing fast then gos out and flashes 1 time and then 6 time fast 1 timeand then 6 time fast truck dont crank
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