I have a ford transit 08 plate and have a problem with the central locking it has been playing up for a while every time I lock the doors the horn sounds

There is only one fuse that mentions 'Locking', but also refers to the General Electrical Module (GEM). If you change the fob battery, you need to reprogram it to the vehicle. Or you could open any Transit around you. Lots of help below including resetting..

Ford Transit Connect Central Locking Issues

JustAnswer https://www.justanswer.com > UK Ford Repair
Jul 6, 2010 - Hi, My transit connect central locking isnt working both with key and fob, and my side loading door is permanently locked, how do i get the ...

1 answer · Top answer: Look above accelerator pedal, there should be 2 fuses taped to the loom, check they haven't ...

Why is the ford transit 2007 central locking not working?

Vehicle History https://www.vehiclehistory.com > questions > why-is-t...
Apr 9, 2020 - When the central locking system is not working in Your 2007 Ford Transit the first thing that You should check is the fuse to the locking system ...

2007 Connect Key Fob Problems

FordTransit.org https://fordtransit.org > forum > viewtopic
Jul 2, 2013 - 1. Close all the doors. · 2. Turn Ignition key from position 0 to II eight times within 10 seconds. · 3. Locks will cycle (locks then unlocks the ...

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Sorry Andrew , no BCM on this vehicle . The Central Security Module is incharge of power door locks . Central Security Module For additional information, refer to Section 419-10 .
The central security module is equipped with a battery back-up which holds the programmed transmitter(s) memory in the event of the vehicle battery disconnection.
Principles of Operations The Door Switch Lock Function When a door lock switch is moved into the lock position or a door lock cylinder is rotated to the lock position, the door lock switch grounds the lock circuit input to the central security module. The central security module then provides 12 volts to one side of the door lock actuators contained in the door latch unit and simultaneously grounds the other side of the door lock actuators. This completes the door lock actuator circuit, causing the door lock actuators to rotate a cam assembly, which then locks the doors.

The Door Switch Unlock Function When a door lock switch is moved into the unlock position, the door lock switch grounds the unlock circuit input to the central security module. The central security module then provides 12 volts to the opposite side (relative to locking the door) of the door lock actuator(s) contained in the door latch unit and simultaneously grounds the other side of the door lock actuator(s). This completes the door lock actuator circuit, causing the door lock actuator(s) to rotate a cam assembly in the opposite direction, which then unlocks the door(s). The 12 volts which the central security module provides to the door lock actuator(s) are provided to each door lock actuator from the individual pins on the central security module connector.

Keyless Entry When a remote transmitter button is depressed, it transmits the appropriate command to the central security module as a radio frequency. The central security module receives the command from the remote transmitter through an antenna, which is incorporated in the central security module.
When the central security module receives a command from the remote transmitter, it then sends the appropriate output to control the desired devices. These outputs devices include:

• The front and rear door lock units.
• Central timer module (CTM).
• The liftgate release motor.
• The right and left side turn signal lamp(s).

The central security module sends a signal to the CTM when courtesy lamp illumination is required.
Computer Operated Locks Each front door lock actuator contains a bipolar motor that controls the lock and unlock linkage. The lock/unlock lever of both front door interior handles use linkage to actuate the lever lock switch located inside each front door lock actuator. Each lever lock switch remains in the unlock position until lock/unlock lever of the interior door handle is moved to the lock position. This action toggles the lever lock switch to the lock position. The central security module uses only one electrical input for both lever lock switches. The central security module cannot determine whether the driver or passenger door lever lock switch was actuated. Therefore, actuating the lock feature from either front door will have the same affect of locking all doors. Actuating the unlock feature will not unlock any other door.
The door lock control switches for both front doors also use only one input to the central security module.
Both rear passenger doors contain a rear door lock actuator that controls only electric lock or unlock of the door. Actuating the lock/unlock lever at either rear passenger door will have no effect on other doors.
The panic feature of the remote transmitter sounds the vehicle horn when the vehicle is not equipped with anti-theft. If the vehicle is equipped with anti-theft feature, a separate horn is sounds for the panic feature.

Does it have keyless entry ?
Power Door Locks
The central security module controls the power door lock and keyless entry system. The lock and unlock operation is carried out by supplying ground to the central security module from the door lock control switch. The normal path of the actuators is to ground through the central security module. The door lock control switch will lock and unlock all doors by grounding the appropriate circuit to the central security module. The central security module then supplies power to the appropriate common actuator circuit to lock or unlock all doors.

Keyless Entry
The keyless entry remote transmitter sends a frequency that is received by the central security module internal antenna. Depending on the frequency received, the central security module will lock all doors or unlock the driver door. If the unlock frequency is received again within five seconds of the first unlock, the central security module will unlock all doors.
If the frequency received is from the panic button, the central security module will cycle ground to the parking lamps and horn. The parking lamps and horn will continue to cycle until the panic button is pressed again or the ignition switch is turned to the RUN position.

Check body control module has power.

Ok, I had this problem on an 03 Transit connect and it was the actual solenoid in the locking mechanism that had given up the ghost. I removed the unit by taking the inner door panel off. Then unhinging the back of the sliding door near the guide rail side, just to so I could get in closer. Pull the plastic manual locking lever out and undo the three torx screws by the actual lock. The unit comes out as a block and I tested the central locking and the solenoid did nothing. I took the block with me just as a comparison and went down to the local scrappy and got another unit for £20. Probably an hour and a half to do the job but money well spent IMO.
NB; check the central locking plug and socket that marry up when the door is shut are in good order as things can get slammed in there and damage it. The socket is located on the rear door post around passengers seat level height and the plug to your right in the sliding door. A quick check could save you and hour and a half and £20 ;-). Hope this helps.

You may have two bare wires touching creating a short. Trace out the wiring. You can get wiring diagram off yahoo.

You will need to remove the door door panel with the door closed to unlatch the door mechanism, sorry but no way around that.

Please provide the question you have about central locking (we call it remote keyless entry).