Your Opel Astra 5 doesn’t start anymore? Have you tested everything? Battery, alternator, spare keys… And you feel like the issue emanates from your immobiliser ? It is certainly plausible, 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 Opel Astra 5 ? You are in the right place, we have created this article to support you see more clearly and solve your problems relating to this component. First, we will see how the immobiliser works on your Opel Astra 5, then the different techniques to disable it.

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How your immobiliser system works on Opel Astra 5

Before describing the different solutions available to you, here is a short intro to explain the role and functions of the immobilizer in your Opel Astra 5. This electronic component was invented 30 years ago and aims to prevent the theft of your Opel Astra 5. 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 Opel Astra 5 will go each time you place the key in the ignition, it controls that the code emitted by your key is indeed the one expected by your immobilization box. It is only at this instant, that it will permit you to start. It is thanks to RFID technology (chip in the key) that this system will work.

The different alternatives to bypass the immobiliser on your Opel Astra 5

Enter the code to turn off the immobiliser

First process, your key no longer enables your Opel Astra 5 to start, you want to deactivate the immobiliser of your Opel Astra 5, but first of all you should try this procedure to start it and take it to a mechanic examine that you can not accomplish a less important process 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 Opel Astra 5), 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, replicate the process until you have entered the full code. This should enable you to start your Opel Astra 5 without having to remove the immobiliser.

Repair your key at a key specialist or your car dealership

If even though a battery swap, several tries to enter the immobiliser code on your Opel Astra 5 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 Opel Astra 5. Actually, your transponder must have been injured or must have fallen off your key. To fix this issue, only solution, go to a key specialist (also available on the internet) or, at your car dealership who can restore your Opel Astra 5 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 Opel Astra 5.

Manually remove your immobilizer

Although you may be attracted to bypass the immobilizer from your Opel Astra 5, this is not advised at all for several reasons. First your Opel Astra 5 would be much more vulnerable to theft attempts. Actually, without an immobiliser box, simply doing “the wires” may be enough to start it. Moreover to that, your insurance, in case of theft most likely won’t refund you if it knows that the immobiliser on your Opel Astra 5 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.

If you want more tutorials on the Opel Astra 5, go to our Opel Astra 5 category.