Your Lexus GS doesn’t want to start? Have you tested all kinds of things? Battery, alternator, spare keys… And you have the feeling that the problem emanates from your immobiliser ? It is actually 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 Lexus GS ? You are on the good website, we have written this content to support you see more clearly and fix your concerns related to this part. First, we will see how the immobiliser works on your Lexus GS, then the different ways to disable it.


How your immobiliser system works on Lexus GS

Before detailing the different alternatives available to you, here is a short intro to explain the role and functions of the immobilizer in your Lexus GS. This electronic element appeared 30 years ago and aims to prevent the theft of your Lexus GS. 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 Lexus GS will go each time you place 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 instant, that it will let you turn on your car. It is thanks to RFID technology (chip in the key) that this system will work.

The different possibilities to bypass the immobiliser on your Lexus GS

Enter the code to turn off the immobiliser

First technique, your key no longer allows your Lexus GS to start, you want to deactivate the immobiliser of your Lexus GS, but first of all you should try this process to start it and take it to a garage verify that you can not execute a less important process to reestablish the normal start of your vehicle. Indeed, with your vehicle you should have a spare key (which you should try and which should start your Lexus GS), 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 confirm the digit and resume, repeat the process until you have entered the entire code. This should enable you to start your Lexus GS without having to remove the immobiliser.

Fix your key at a key specialist or your car dealer

If even though a battery swap, several attempts to enter the immobiliser code on your Lexus GS still doesn’t want to start, it’s probably your key that’s at issue. We can understand that you still want to bypass the immobiliser system from your Lexus GS. Indeed, your transponder must have been affected or must have fallen off your key. To resolve this problem, only solution, go to a key specialist (also available on the internet) or, at your car dealership who can repair your Lexus GS 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 Lexus GS.

Manually remove your immobilizer

Although you may be tempted to bypass the immobilizer from your Lexus GS, this is not recommended at all for several reasons. First your Lexus GS 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. Furthermore to that, your insurance, in case of theft most likely won’t refund you if it finds out that the immobiliser on your Lexus GS 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.

To find more tips on the Lexus GS, take a look at the Lexus GS category.