1999 FORD EXPLOROR DRIVER SIDE DOOR LOCK STOPPED WORKING THEN I USED THE PASSENGERS SIDE LOCK TO LOCK THE DOORS NOW THAT SIDE WONT WORK AND THE REMOTE WONT LOCK THE DOORS THE ONLY ONE THAT WILL STILL LOCK IT IS THE SWITCH IN THE BACK HATCH CAN YOU TELL ME WHAT IS CAUSEING THIS THANK,TOY

your actuator is not working needs to be re place. I don't remember if it is a air or motor one but you need to open the penal on the door and have a look.If air one will be like arectengol and the motor is tin long

Drivers side door will not close because, it might have dropped out of alignment and is sagging down slightly!!! or if it has electric door locks, and someone in the family has failed to mention door locks were activated while that one door was still open!!! now lock mechanism has passed it's normal stopping place and is now stuck, therefore already locked and not allowing door to close all the way!! you might try disconnecting battery then try jiggling the lock, and hope silenoid didn't get burned out, open passenger door and look at lock latch, then check drivers side lock latch!!! if your lucky lock latch should unlock when battery is hooked back up. i have seen this problems happen often on older vehicles!!! especially on cars or trucks that have been in fender benders.........body shops know what to check for, they fix problems like this often!!!!! Good luck!!

both the rear passenger side wont unlock ???? How many doors are on the passenger side ? Or both back doors don't unlock ? Two relays lock / unlock the back door's Not the lift gate . The BCM controls the relay's . The relay's are located in the rear fuse box . Under back seat .

I believe your problem is directly related to the elecrical contacts in the door key lock itself. I understand that the door locks but wont unlock. If the switch in the lock tumbler it self is not defective you may have other electrical problems in this circuit. do you have the same problem on the passenger door or is it specific to the drivers side only

The most common cause of this problem is broken wires between the door and the A post,but could be a failed door control module

Unfortunately, This is a very common problem with Ford Explorers! Ford replaces the locks when it encounters this issue. I managed to unseize my passanger door and tailgate lock, but the drivers door lock is broken beyond repair. You can purchase new remotes for your explorer and program them very easily. Just google ford key fobs...

The electric door actuators are bad/broken so they need to be replaced its a common problem

Check the wiring between the drivers door and the A pillar(the body of the car). Sometimes the harness breaks from opening and closing the door.