2010 4.6 mustang GT no crank no start, security light blinking

Try this,remove positive cable from battery,make sure key is not in the ignition,leave cable off for at least ten minutes,then place key in ignition,in the on position,and replace positive cable.

If this doe,s not work ,you may need to have the ECM,reflashed to your key,s.

I had this same problem after filling up with gas. After trying everything I decided to back track my steps and come find out I didn't have my gas cap tightly secured back down so after takeing it back off and putting it back on my my mustang cranked right up

I’m having this same problem.. my 2010 mustang cut off on me and a code p0442 popped up

you find a problem I have the same problem

Problem found. My main harness coupling by the steering column was partially separated. Keeper tab broke.

My 2010 fors mustang v6 just turn off on me while I was driving and every since it just makes a sqeaking noise