How to disable the immobiliser Ford Fiesta ?

Your Ford Fiesta doesn’t start anymore? Have you tested everything? Battery, alternator, spare keys… And you feel like the problem comes from your immobiliser ? It is certainly possible, 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 Ford Fiesta ? You are in the right place, we have written this article to support you see more clearly and fix your trouble linked to this component. First, we will see how the immobiliser works on your Ford Fiesta, then the different techniques to disable it.

How your immobiliser system works on Ford Fiesta

Before describing the different solutions available to you, here is a short intro to explain the goal and operation of the immobilizer in your Ford Fiesta. This electronic part came out 30 years ago and intends to prevent the theft of your Ford Fiesta. 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 Ford Fiesta will go each time you insert the key in the ignition, it controls that the code emitted by your key is in fact the one asked by your immobilization box. It is only at this moment, that it will enable you to turn on your car. It is thanks to RFID technology (chip in the key) that this device will work.

First procedure, your key no longer permits your Ford Fiesta to start, you want to turn off the immobiliser of your Ford Fiesta, but first of all you should try this procedure to start it and take it to a mechanic check that you can not accomplish a less important process to bring back the normal start of your automobile. In fact, with your automobile you should have a spare key (which you should try and which should start your Ford Fiesta), 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, replicate the process until you have entered the entire code. This should allow your Ford Fiesta to start without having to remove the immobiliser.

Repair your key at a key specialist or your dealer

If even though a battery change, different tries to enter the immobiliser code on your Ford Fiesta 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. In fact, your transponder must have been damaged 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 Ford Fiesta key. Based on 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 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.

Manually remove your immobilizer

Although you may be tempted to bypass the immobilizer from your Ford Fiesta, this is not recommended at all for different reasons. First your Ford Fiesta would be much more vulnerable to theft attempts. In fact, 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 has been removed, bypassed or deactivated. This if you still want to do it, some websites online still give the process, we have made the choice not to disclose it, because it could benefit people with bad intentions.

Whenever you have any further questions about the Ford Fiesta, do not hesitate to consult our Ford Fiesta category.