all doors lock with switch and remotes but won't unlock on 2005 Ford Excursion

when i hit my remote drivers door unlocks but none of the othersor rear door. the switch inside truck will lock all door but will also only unlock drivers door. truck does have remote start unit install if that makes a difference

Asked by for the 2005 Ford Excursion
Just a little clarification: when you hit the unlock button a second time, do the rest of the doors unlock?

The built in strategy is to only unlock the drivers door with the first button push. The second button push unlocks them all.

Could you clarify if that functionality works or not?