The vehicle security system have disable the starting system. It's possible that the key have failed. Try starting with another key. If you don't have another key you may have to tow your vehicle to the dealer and have them reprogram another key for you.
P1260 FORD - Theft Detected - Engine Disabled
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P1000 FORD - On Board Diagnostic System Readiness Test Not Complete
Read more: https://www.autocodes.com/p1000_ford.html