A malfunction of central locking is rather annoying. At times it can even be risky, because you can get stuck in it. According to the different types of vehicles, the centralized locks engage automatically when closing the doors, for others you will have to activate it manually. We will see in this article what are the most common malfunctions and what to do to solve them.
The central locking of your Citroen Sm no longer works
Several clues will be able to help you find the breakdown. Particularly depending on the number of doors that have this problem. So let's take a closer look.
Citroen Sm: central locking does not work on one of the doors
First try to lock the door by hand. If this does not show a problem, it means that your system is operational. Your problem must therefore come from another place upstream. Usually this is a problem originating from a short circuit. To check it is super convenient! You will have to disassemble the interior of the door of this Citroen Sm by removing the trim. Reassemble the electric cables which leave from the closing mechanism. Therefore, inspect the wiring and the condition of the wiring. It will thus be necessary to repair the problem that you have found. If, despite everything, closing is difficult by hand and with the buttons, this means that it is the system which presents a problem. Don't worry, you can just lubricate it or replace it if it is really damaged.
Citroen Sm: central locking no longer works at all
This is a problem that is super unpleasant. Central locking of your Citroen Sm no longer works at all. The root of the problem is not easy to locate. So let's see the most common malfunctions.
Replace fuses on your Citroen Sm
The problem could come from a fuse wire rack. It is rather simple to discern visually. In this situation you know completely what to do, you just have to replace it. It is a rather rare problem but nevertheless it can happen.
General feeding problem
If your car ever has a general power problem, it is exceptional that only the closure no longer works. So rest assured, this is certainly not the problem you will not be on this article if it was. However, it sometimes happens that there is a problem with the electrical connection from the power supply to the central locking mechanism. We will have to clean the connection or replace the wiring. It is simple to repair , the most complex is to find the false contact.
Citroen Sm: Change the battery in your key
It is simply possible that the key has no battery left! We can at times omit this problem, however it is the key that directs the closure system. In this situation it’s even more commode , you just have to disassemble this key, with a screwdriver, and replace the battery inside. We invite you to write a comment if your problem is not inside this article, to help other Internet users! Enjoy the road.