Your Ford Fiesta 4 doesn’t start anymore? Have you tested all sorts of things? Battery, alternator, spare keys… And you feel like the issue 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 without a reason. You want to disable the immobiliser on your Ford Fiesta 4 ? You are in the right place, we have created this post to help you see more clearly and solve your trouble related to this part. First, we will see how the immobiliser functions on your Ford Fiesta 4, then the different techniques to disable it.
How your immobiliser system functions on Ford Fiesta 4
Before describing the different choices available to you, here is a short intro to describe the goal and functions of the immobilizer in your Ford Fiesta 4. This electronic component was invented 30 years ago and aims to prevent the theft of your Ford Fiesta 4. 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 Ford Fiesta 4 will go each time you insert the key in the ignition, it controls that the code emitted by your key is actually the one asked 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 alternatives to bypass the immobiliser on your Ford Fiesta 4
Enter the code to turn off the immobiliser
First procedure, your key no longer enables your Ford Fiesta 4 to start, you want to disable the immobiliser of your Ford Fiesta 4, but first of all you should try this procedure to start it and take it to a garage verify that you can not do a less significant procedure to reestablish 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 Ford Fiesta 4), 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 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 validate the digit and resume, replicate the procedure until you have entered the whole code. This should enable you to start your Ford Fiesta 4 without having to remove the immobiliser.
Fix your key at a key specialist or your car dealership
If even though a battery change, different attempts to enter the immobiliser code on your Ford Fiesta 4 still doesn’t want to start, it’s almost certainly your key that’s at issue. We can understand that you still want to bypass the immobiliser device from your Ford Fiesta 4. Indeed, your transponder must have been weakened or must have fallen off your key. To resolve this issue, only solution, go to a key specialist (also available on the internet) or, at your dealer who can fix your Ford Fiesta 4 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 dealer if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your Ford Fiesta 4.
Manually remove your immobilizer
Although you may be tempted to bypass the immobilizer from your Ford Fiesta 4, this is not advised at all for different reasons. First your Ford Fiesta 4 would be much more vulnerable to theft attempts. Indeed, without an immobiliser box, simply doing “the wires” may be enough to start it. Additionally to that, your insurance, in case of theft most likely won’t refund you if it knows that the immobiliser on your Ford Fiesta 4 has been removed, bypassed or deactivated. This if you still want to do it, some sites still give the method, we have made the choice not to disclose it, because it could help people with bad intentions.
If you have any additional questions about the Ford Fiesta 4, do not hesitate to consult our Ford Fiesta 4 category.
