Your Renault Megane 3 doesn’t start anymore? Have you tested everything? Battery, alternator, spare keys… And you have the feeling that the problem emanates from your immobiliser ? It is certainly plausible, actually that it is in question if your automotive doesn’t want to start anymore or stalls when starting for no reason. You want to disable the immobiliser on your Renault Megane 3 ? You are on the good article, we have created this article to support you see more clearly and fix your concerns relating to this part. First, we will see how the immobiliser functions on your Renault Megane 3, then the different methods to disable it.
How your immobiliser system functions on Renault Megane 3
Before describing the different choices available to you, here is a short intro to demonstrate the aim and functions of the immobilizer in your Renault Megane 3. This electronic component appeared 30 years ago and aspires to prevent the theft of your Renault Megane 3. 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 Renault Megane 3 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 instant, that it will let you turn on your car. It is thanks to RFID technology (chip in the key) that this device will work.
The different possibilities to bypass the immobiliser on your Renault Megane 3
Enter the code to turn off the immobiliser
First process, your key no longer allows your Renault Megane 3 to start, you want to deactivate the immobiliser of your Renault Megane 3, but first of all you should try this approach to start it and take it to a mechanic examine that you can not accomplish a less important procedure to reestablish the normal start of your vehicle. In fact, with your vehicle you should have a spare key (which you should try and which should start your Renault Megane 3), 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 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 entire code. This should allow your Renault Megane 3 to start without having to remove the immobiliser.
Fix your key at a key specialist or your car dealership
If in spite of a battery change, different tries to enter the immobiliser code on your Renault Megane 3 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 device from your Renault Megane 3. In fact, your transponder must have been affected or must have fallen off your key. To correct this problem, only solution, go to a key specialist (also available on the internet) or, at your dealer who can restore your Renault Megane 3 key. Depending 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 dealer if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your Renault Megane 3.
Manually remove your immobilizer
Although you may be thinking to bypass the immobilizer from your Renault Megane 3, this is not advised at all for some reasons. First your Renault Megane 3 would be much more vulnerable to theft attempts. In fact, without an immobiliser box, simply doing “the wires” may be enough to turn your car on. In addition to that, your insurance, in case of theft most likely won’t refund you if it acknowledges that the immobiliser on your Renault Megane 3 has been removed, bypassed or deactivated. This if you still want to do it, some internet pages still give the technique, we have made the choice not to disclose it, because it could help people with bad intentions.
If you need more tutorials on the Renault Megane 3, go to our Renault Megane 3 category.
