interior Lights and door ajar stay on
A failure in one of the door switches, unfortunately you will have to remove the interior door panels to gain access to the latch assemblies as that is where the switch is now located.
Doir switch is more likely to go out or loose due to more frequent door opening and closing
Looking for a Used F-150 in your area?
CarGurus has 205,064 nationwide F-150 listings starting at $1,273.
Search Ford F-150 Questions
Ford F-150 Experts