How to disable the immobiliser Citroen Saxo ?

Your Citroen Saxo doesn’t start anymore? Have you tried all kinds of things? Battery, alternator, spare keys… And you have the feeling that the trouble comes from your immobiliser ? It is actually quite possible, indeed that it is in question if your car doesn’t want to start anymore or stalls when starting without a reason. You want to disable the immobiliser on your Citroen Saxo ? You are in the right place, we have written this article to support you see more clearly and resolve your trouble linked to this component. First, we will see how the immobiliser works on your Citroen Saxo, then the different techniques to disable it.

How your immobiliser system works on Citroen Saxo

Before describing the different choices available to you, here is a short intro to describe the role and functions of the immobilizer in your Citroen Saxo. This electronic element was invented 30 years ago and aims to prevent the theft of your Citroen Saxo. Actually, thanks to a transponder and an antenna (coil) integrated in the key, and, a immobilisation control box integrated in the ECU and a reception antenna on the neiman, your Citroen Saxo will go each time you insert the key in the ignition, it controls that the code emitted by your key is indeed the one required by your immobilization box. It is only at this instant, that it will allow you to turn on your car. It is thanks to RFID technology (chip in the key) that this device will work.

First procedure, your key no longer allows your Citroen Saxo to start, you want to disable the immobiliser of your Citroen Saxo, but first of all you should try this approach to start it and take it to a mechanic check that you can not do a less important operation to bring back the normal start of your vehicle. Actually, with your vehicle you should have a spare key (which you should try and which should start your Citroen Saxo), but if you don’t have it you should at least have the “code card”, it includes the start code. Thanks to this code, you will still be able to start your vehicle by entering it manually. To do this, turn on the ignition, use your centralized button to enter the digits, several quick presses (example: 2 for digit 2) then a stop of one and a half seconds to validate the digit and resume, replicate the operation until you have entered the full code. This should let you start your Citroen Saxo without having to remove the immobiliser.

Fix your key at a key specialist or your dealer

If even though a battery change, different attempts to enter the immobiliser code on your Citroen Saxo still doesn’t want to start, it’s most likely your key that’s at issue. We can understand that you still want to bypass the immobiliser device from your Citroen Saxo. Actually, your transponder must have been weakened or must have fallen off your key. To correct this trouble, only solution, go to a key specialist (also available on the internet) or, at your dealer who can restore your Citroen Saxo key. Based on who you go to the repair should cost you about 100 euros if you still have a duplicate or your “code card” and about 350 euros at your dealer if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your Citroen Saxo.

Manually remove your immobilizer

Although you may be tempted to bypass the immobilizer from your Citroen Saxo, this is not advised at all for many reasons. First your Citroen Saxo would be much more vulnerable to theft attempts. Actually, without an immobiliser box, simply doing “the wires” may be enough to turn your car on. In addition to that, your insurance, in case of theft most likely won’t refund you if it acknowledges that the immobiliser on your Citroen Saxo has been removed, bypassed or deactivated. This if you still want to do it, some internet pages still give the methodology, we have made the choice not to disclose it, because it could benefit people with bad intentions.

In the event that you have any further questions about the Citroen Saxo, do not hesitate to consult our Citroen Saxo category.