The driver side door does not unlock - can only (central locking)

The master central locking module may be faulty. If the remote still operates the drivers side door lock and it will manually unlock with the key, it's possible the central lock mechanism in the drivers door is no longer sending a signal to all the other doors to lock/unlock. If all the door locks operate when you manually unlock the drivers door, the issue may be the remote receiver unit. It would help to know what car you're driving as some vehicles have inherent faults that are common and there is usually a go-to method of rectifying the problem.

remove door panel and check linkages

http://www.manualowl.com Hope this helps! Jimmy

Did you find a solution to this A's I have exactly the same problem

turn key twice when opening, ie turn right. once drivers door will unlock, turn twice passengers doors will unlock, and locking is turn anti clock wise once will lock all doors, turn twice will set door dead locks.dead locks will stop openand lock internal button working and handle from opening door. the same actions can be applied to the remote one press drivers door, two press passenger doors, press and hold unlock button for 5 seconds and rear window will open.

hello,good day,seems your have a bad contact on driver and passenger switch door actuator,maybe loose contact or mechanical defect,which not sending a signal to your central locking pump,try to remove your rear seat,look your pump,right side,driving direction,lock and unlock your car,observe your pump is working,if not,check or replaces your switch door actuator,ty

http://www.honestjohn.co.uk/forum/post/?t=69400

Hello, we have a 2003 Kia Rio- problem as above- unlocking and then locking- only way in and out through passenger door.
This is what I have done and everything is back to normal- I hope it works for you.
1 Remove 25AMP fuse that controls door central locking from main box under the bonnet.
(AT this stage my passenger door opens- drivers side does not, the mechanism won't fully rotate)
2, Spray key with WD40 (or similar moisture repellent lubricant). Gently turn key to loosen mechanism- Partly remove key and spray lubricant into lock, have fun locking and unlocking!
3, Replace 25 amp fuse
4, Write yourself a cheque for garage labour and parts and wife brownie points!

1st wind the glass down and turn the key in the driver door twice in clockwise direction to lock, at the sound of the second click try try opening the door thru the window (passenger) manually. you will need to pull the knob twice before it opens. you can get all the passenger doors open this way until you decide to change central lock system. To activate the remote; insert the key into driver door while pressing the lock or unlock button on the remote for at least five-ten seconds which should get it functioning normally again. hope this helps. it worked on mine.

Get in passenger side and unlock drivers side manually, this will unlock the 4 doors.