if it's the TSB for the emission control valve (whatever the name is) ...quick fix.. took them a few hours to fix mine. Never came back on afterwards.

when was your F150 built?

 

Yup, it was the same problem.
Built 7/15.
I noticed it never did the AUTO SHUTDOWN on 35 mi trip home.
Not sure if I have a new problem. Maybe they killed the battery.

 

mine was 7/15 built as well. Welcome to the club

they fixed several months ago and it never came on since

 

The Auto Start/Stop started working by itself after using it for 2 or 3 days.
Service guy said it sometimes happens after computer reboot.
I think my battery was drained. Then after it fully charged started working.