Well thanks for all your help Auto electrician came out today and solved the problem, It was the Private lock Shorting ( thats the lock between number plate lights) disconnect that and it open by switch in car need to get new one fit it and then key fob should work took him 2 hours to find fault but at least its sorted :D :D :D :D :D :D :D :) :) :) :) :) :rolleyes: :rolleyes: 65 posts · Joined 2013. #1 · Mar 28, 2017. Hi all. My front passenger door is deadlocked shut and I cannot open it from the inside or outside. The key fob operates the latch inside the car and I can hear the door unlocking / locking when pressing the fob but no luck when opening. I have tried all sorts while pressing the button but no luck. Shop the Chazz Coombes store Ford Mondeo Mk4 door lock mechanism replace. The rear passenger door lock was not locking/unlocking when using the key fob.This lead me to believe the mcbane12. 1 post · Joined 2012. #5 · Jul 28, 2012. Hi, I had the same issue with my alarm going off randomly. I took it to the dealer in plymouth and £400 later the problem appears to be fixed. According to ford, the rear left passenger door lock was faulty and had to be replaced. J. jb66. 3 posts · Joined 2011. Mondeo Mk4 Edge Estate. The tailgate latch keeps releasing when the car is unlocked. Typically the lock also keeps clicking regularly once released. The manual release under the tailgate handle rarely seems to work and requires a double click on the key fob boot unlock button to open the tailgate. Once the tailgate is closed and the car locked The autolock feature will lock all the doors. when: • all doors are closed, • the ignition is on, • you shift into any gear putting your. vehicle in motion, and. • your vehicle attains a speed greater. than 12 mph (20 km/h). The autolock feature repeats when: Jordan ASE. Certificate of completion. 442 satisfied customers. 2009 ford mondeo 2.0 tdci. I unlocked the car and heard the. 2009 ford mondeo 2.0 tdci. I unlocked the car and heard the locks move, opened the door and the alarm went off. Couldn't stop the alarm with the fob … read more. Sometimes it could be fixed by removing a plastic plug at rear of door and adjusting screw inside. Often door handle needed to be removed by unscrewing the same screw and a small packer needed bonded to tab on handle to close gap. This was a common problem with the MK3 so perhaps your MK4 is a different design. Peter. kn216a.