FORD 2014 F-550 v.1 - Manual (Page 59)

2. Switch the ignition off and remove the
key.
3. Insert the second key into the ignition
and switch the ignition on.
The factory-set code will display for a few
seconds.
Note: The code may not display until after
any other warning messages first display.
56
Super Duty (TFA)
Locks