Central Locking Dead - Security / Safety (Mk3 Mondeo) - TalkFord.com

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Central Locking Dead

central locking door

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3 replies to this topic

#1 Andrew-W


    Move decimal place to get age.

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  • Vehicle Driven:Mondeo 2.2TDCI Ghia
  • Location:Near Newcastle

Posted 02 January 2021 - 09:35 PM


The central locking started playing up and I removed the driver's door lock module and stripped it down, the three micro switches appear to be working and I can't find anything that's broken. So I plugged it back in, when using the fob button to lock it'll move the door lock mechanism but it immediately moves back again so I'm presuming it's doing that as a result of there being a problem on one of the other door locks.

So I was messing around with driver's door lock module again and plugging the harness back in and not realising that the battery was still connected and now it's dead. 😳 The F24 fuse in the engine bay hasn't blown and I've tried disconnecting the battery for an hour and it's still dead, programming the key fob won't work either.

Are there any other fuses to check or anything else I can do, I'll check the fuses in the passenger footwell in the morning?

Thanks very much


#2 Andrew-W


    Move decimal place to get age.

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Posted 03 January 2021 - 01:06 PM


I left it overnight with the battery disconnected to see if it would reset and it has.
  • mondy zetecs likes this



    Mk3 Forum Moderator

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Posted 03 January 2021 - 05:31 PM

Hopefully your sorted but it unlocks because one of the door locks has not locked.


If it happens again watch the locks inside and see which one is slow to react or

does not lock at all.

MK4.5 TDCI 140 Business Estate.



Adding your location may find someone local who could offer assistance.

F-Super, Bluetooth OBDII (ELM) and a MS509 scanners (test subjects required).

ForDiag now available to victims.

#4 hardy1812


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Posted 03 January 2021 - 06:21 PM

I have a similar thing with my car,, doors lock then reopen instantly,, i tried opening the doors from the outside and slamming them shut, didn’t work I’d the same with the bonnet and the boot still didn’t work,, so I sat in the car and manually locked each door one at a time and pulled the internal handle to open it, then pressed the fob to lock everything,,, I found mine is the drivers rear door,, but as soon as I lock it from inside and pull the handle to open it,, everything locks as it should,, guess mines just an iffy lock but not had no problems for a good 8 months..... I did lock unlock from inside a million times though so maybe that helped hahaha

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