Your GMC Yukon XL doesn’t start anymore? Have you tested all kinds of things? Battery, alternator, spare keys… And you feel like the trouble comes from your immobiliser ? It is actually plausible, indeed that it is in question if your automotive no longer wants to start or stalls when starting for no reason. You want to disable the immobiliser on your GMC Yukon XL ? You are on the good website, we have written this article to help you see more clearly and solve your trouble connected to this element. First, we will see how the immobiliser functions on your GMC Yukon XL, then the different methods to disable it.

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How your immobiliser system functions on GMC Yukon XL

Before describing the different alternatives available to you, here is a short intro to show you the aim and operation of the immobilizer in your GMC Yukon XL. This electronic component came out 30 years ago and aims to prevent the theft of your GMC Yukon XL. 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 GMC Yukon XL will go each time you put the key in the ignition, it checks that the code emitted by your key is indeed the one asked by your immobilization box. It is only at this moment, that it will let you turn on your car. It is thanks to RFID technology (chip in the key) that this unit will work.

The different solutions to bypass the immobiliser on your GMC Yukon XL

Enter the code to turn off the immobiliser

First technique, your key no longer enables your GMC Yukon XL to start, you want to deactivate the immobiliser of your GMC Yukon XL, but first of all you should try this approach to start it and take it to a garage check that you can not execute a less important procedure to restore 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 GMC Yukon XL), 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 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, repeat the procedure until you have entered the full code. This should allow your GMC Yukon XL to start without having to remove the immobiliser.

Fix your key at a key specialist or your car dealer

If despite a battery change, several attempts to enter the immobiliser code on your GMC Yukon XL 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 system from your GMC Yukon XL. Actually, your transponder must have been damaged or must have fallen off your key. To fix this trouble, only option, go to a key specialist (also available on the internet) or, at your car dealership who can fix your GMC Yukon XL key. Based on who you go to the repair should cost you about 100 euros if you still have a copy 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 GMC Yukon XL.

Manually remove your immobilizer

Although you may be tempted to bypass the immobilizer from your GMC Yukon XL, this is not recommended at all for several reasons. First your GMC Yukon XL 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. Furthermore to that, your insurance, in case of theft most likely won’t refund you if it realizes that the immobiliser on your GMC Yukon XL has been removed, bypassed or deactivated. This if you still want to do it, some internet pages still give the method, we have made the choice not to disclose it, because it could help people with bad intentions.

To get more tips on the GMC Yukon XL, take a look at the GMC Yukon XL category.