Depending on the Year, the Code is On the RKE Unit which is located Inside the Vehicle.Also, for the Dealer to access the Code with the DRB, they would have to connect it to the DATA Port Inside the Vehicle.You will have to Unlock the Vehicle to Open it.
Have someone wedge a piece of Thick, stiff Plastic, between the Upper Door Corner Frame Edge & use a Metal Coat Hanger or heavier Guage Metal Rod to Push Electric Door Lock Switch.
It can be done............
What Year is your Expedition?
There is No way to get an Entry Code without the Security Numbers on the RKE or using Scan Tool:
Here are the Options:1) Ford Dealer or Locksmith should be able to Cut a New Key with the Vehicle V.I.N. & Proof of Ownership. You would need to call them.2) Locksmith, Police Department, Tow Truck, can Enter Vehicle without hurting it.3) Try the above Answer using Plactic Wegde. The Corner of the Top Edge needs to be plled out just enough to Wedge Plastic in to create hole for wire. Being Careful, you should not hurt the Paint.