Your Ford S-max doesn’t want to start? Have you analyzed all sorts of things? Battery, alternator, spare keys… And you feel like the issue emanates from your immobiliser ? It is actually quite plausible, actually that it is in question if your vehicule doesn’t want to start anymore or stalls when starting without a reason. You want to disable the immobiliser on your Ford S-max ? You are in the right place, we have created this content to help you see more clearly and solve your trouble linked to this component. First, we will see how the immobiliser functions on your Ford S-max, then the different ways to disable it.

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How your immobiliser system functions on Ford S-max

Before describing the different solutions available to you, here is a short introduction to show you the goal and operation of the immobilizer in your Ford S-max. This electronic element came out 30 years ago and aspires to prevent the theft of your Ford S-max. In fact, 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 Ford S-max will go each time you insert the key in the ignition, it checks that the code emitted by your key is actually the one expected by your immobilization box. It is only at this moment, that it will enable you to start. It is thanks to RFID technology (chip in the key) that this device will work.

The different alternatives to bypass the immobiliser on your Ford S-max

Enter the code to turn off the immobiliser

First process, your key no longer allows your Ford S-max to start, you want to disable the immobiliser of your Ford S-max, but first of all you should try this technique to start it and take it to a mechanic check that you can not accomplish a less significant procedure to restore the normal start of your automobile. In fact, with your automobile you should have a spare key (which you should try and which should start your Ford S-max), but if you don’t have it you should at least have the “code card”, it contains the start code. Thanks to this code, you will still be able to start your automobile 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 procedure until you have entered the full code. This should let you start your Ford S-max without having to remove the immobiliser.

Fix your key at a key specialist or your dealer

If in spite of a battery swap, several attempts to enter the immobiliser code on your Ford S-max still doesn’t work, it’s almost certainly your key that’s at issue. We can understand that you still want to bypass the immobiliser device from your Ford S-max. In fact, your transponder must have been injured or must have fallen off your key. To resolve this issue, only option, go to a key specialist (also available on the internet) or, at your car dealership who can repair your Ford S-max key. Determined by 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 car dealership if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your Ford S-max.

Manually remove your immobilizer

Although you may be thinking to bypass the immobilizer from your Ford S-max, this is not advised at all for some reasons. First your Ford S-max would be much more vulnerable to theft attempts. In fact, without an immobiliser box, simply doing “the wires” may be enough to start it. In addition to that, your insurance, in case of theft most likely won’t refund you if it acknowledges that the immobiliser on your Ford S-max has been removed, bypassed or deactivated. This if you still want to do it, some websites online still give the methodology, we have made the choice not to disclose it, because it could help people with bad intentions.

If you wish more guides on the Ford S-max, go to our Ford S-max category.