Your Audi A3 doesn’t start anymore? Have you tested everything? Battery, alternator, spare keys… And you feel like the problem originates from your immobiliser ? It is reasonably plausible, in fact that it is in question if your car no longer wants to start or stalls when starting for no reason. You want to disable the immobiliser on your Audi A3 ? You are on the good website, we have written this content to support you see more clearly and solve your problems related to this component. First, we will see how the immobiliser functions on your Audi A3, then the different methods to disable it.

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How your immobiliser system functions on Audi A3

Before describing the different alternatives available to you, here is a short intro to demonstrate the purpose and functions of the immobilizer in your Audi A3. This electronic element appeared 30 years ago and aspires to prevent the theft of your Audi A3. Indeed, thanks to a transponder and an antenna (coil) included in the key, and, a immobilisation control box included in the ECU and a reception antenna on the neiman, your Audi A3 will go each time you place the key in the ignition, it checks that the code emitted by your key is in fact the one expected by your immobilization box. It is only at this instant, that it will allow you to start. It is thanks to RFID technology (chip in the key) that this unit will work.

The different possibilities to bypass the immobiliser on your Audi A3

Enter the code to turn off the immobiliser

First procedure, your key no longer permits your Audi A3 to start, you want to turn off the immobiliser of your Audi A3, but first of all you should try this procedure to start it and take it to a garage check that you can not accomplish a less important procedure to restore the normal start of your automobile. Indeed, with your automobile you should have a spare key (which you should try and which should start your Audi A3), 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 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 confirm the digit and resume, duplicate the procedure until you have entered the full code. This should enable you to start your Audi A3 without having to remove the immobiliser.

Fix your key at a key specialist or your dealer

If even though a battery swap, several tries to enter the immobiliser code on your Audi A3 still doesn’t work, it’s probably your key that’s at issue. We can understand that you still want to bypass the immobiliser system from your Audi A3. Indeed, your transponder must have been injured or must have fallen off your key. To correct this problem, only option, go to a key specialist (also available on the internet) or, at your car dealership who can fix your Audi A3 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 Audi A3.

Manually remove your immobilizer

Although you may be tempted to bypass the immobilizer from your Audi A3, this is not advised at all for some reasons. First your Audi A3 would be much more vulnerable to theft attempts. Indeed, without an immobiliser box, simply doing “the wires” may be enough to turn your car on. Additionally to that, your insurance, in case of theft most likely won’t refund you if it finds out that the immobiliser on your Audi A3 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 benefit people with bad intentions.

In the event that you have any further questions about the Audi A3, do not hesitate to consult our Audi A3 category.