How to Remove Engine Immobilizer

How to Remove Engine Immobilizer

This article is for if you want to learn how to removes engine immobilizer, but first what is engine immobilizer. The car-immobilizer system is an important standard in most vehicles made in the last 20 years.

Once your car is working properly, it significantly reduces the possibility about theft. If you find the engine immobilizer to be malfunctioning keep reading to find out more.

An engine immobilizer is an electronic security system used in most modern day cars to reduce the rate of theft. In this article you will learn all you need to know about immobilizer and how to remove engine immobilizer if your car won’t start.

What is an engine immobilizer

An engine immobilizer is an anti-theft system built in the engine ECU. It can better be seem as an electronic security device fitted to a motor vehicle that prevents the engine from running unless the correct key (transponder or smart key) is present.

This prevents the vehicle from being “hot wired” after entry has been achieved and thus reduces motor vehicle theft. The primary function of and immobilizer is to prevent the engine from starting without using vehicle’s authorized key.

This system has been a vey good improvement in auto security ever since it was invented. However, the system has its short coming and cause difficulty in starting the car if it is faulty or unauthorized access have been attempted.

Read Also:- 23 Common Hyundai Dashboard Warning Lights

How to remove engine immobilizer

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An immobilizer like i have mention before is a pices of electronic that provide extra security for vehicles. They where invented since the last 2 decades and have evolved and become more advance since then.

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Insert the key into the ignition and turn it to the on position, which activates your accessories but not the engine. Leave the key in position for about 10 – 15 minutes. Step 3: Check the anti-theft light again. If it’s no longer blinking, turn the key back to the Off position and allow it to set for a minute or two.

Immobilizers add an extra layer of security to your in such are way that only the original key will be able to start the car. In some advance vehicle security systems the system will put up and emergency lock if attempted to bypass.

With all this values and importance the auto mobile security system has added to make fair of vehicle theft less, it still has its floors and downside. If you do not have the knowledge about immobilizers work, the system can frustrate your whole life.

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why Would You want to remove Immobilizer

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In that note let me point out some reasons why you might want to remove engine immobilizer from your car. Over the years and due to vehicular usage, the system could get damaged due to moisture or water.

Corrosion will be the result if moisture or water finds it way into the system and corrosion is not good for the connectors and wire harness. When wires and connections get corroded current fails to flow which can lead to the immobilizer system from working.

Another thing that can cause and advanced auto security system not to work is a dead key fob battery. Your key fob is used to send dedicated key token to the transponder in your car, if the battery is dead or depleted it will not be able to send the signal correctly.

In such case you can just easily change the key fob battery and continue using your car or you can still remove engine immobilizer. In the case where the system is an old fashion and you will want it upgraded, you can option for the removal of the old security system too.

What causes Immobilizer problem?

The major and most common cause of immobilizer problem is in the car key fob. The key fob is used to send signal to the car security transponder which in turn temporarily disables the system.

  • Dead key fob battery                                                                                                                                                        If you have tried all your can and your car would not still start then you should check the key fob’s battery. The battery could be dead and it could be the reason why your car is not recognizing the key let along to start the car.                                                                                                                                                                                                The key fob depends greatly on the battery to be able to send small wave signal to the system transponder. If the battery it dead then the key fob will not be able to send the required signal to the transponder to disarm the system.
  • Damaged or corroded wire connection                                                                                                                        The immobilizer system itself barely have problems, in worst case scenario, the system wires can get corroded due to water damage. Due to day to day activities, the immobilizer wiring connection can become corroded.                                                                                                                                                                                                                    If the actual immobilizer system in the vehicle is to blame, then it could be due to the wires being corroded or damaged. Perhaps the engine control unit or its sensors are malfunctioning or faulty.                                                                                                                                                                                                                                              The wiring harness can as well get damaged due to accidents or so. If this is the case you your car, the best option is to remove engine immobilizer, if not your car won’t start.
  • Common Symptoms of bad engine Immobilizer                                                                                                         Just like most other parts of your car, the engine immobilizer does not just stop working once. The system starts to show some signs of malfunctions that indicates that something is wrong really.                                                                                                                                                                                                                                                        This signs are the same as the symptoms that the system puts up to tell you the car owner or driver that something is wrong and needs to be checked. Some of these signs and symptoms would determine whether or not to remove engine immobilizer from your car….
  • Difficulty in starting the car                                                                                                                                          Generally, when vehicle security systems starts to develop problems difficulty in starting is a common challenge. This issue can be localized to the engine immobilizer in most cases.                                                                                                                                                                                                                                                                                     The immobilizer can surfer major damage due to corrosion as a result of water and moisture if finds it way through the wiring. This can cause the immobilizer to malfunction thereby making it difficult and sometimes impossible to start the car.                                                                                                                                                                                                                                                                                                                                                                     If you find yourself in this shoe, the options are either you remove the immobilizer, or you call for a professional help to trace the problem. Whatever the cause may be please weigh the consequences before you take actions.
  • Door Locking and unlocking Problems                                                                                                                        This is another problem that could be some times traced to auto security systems. The door is said to become unstable and difficult to open and lock at a go.                                                                                                                                                                                                                                                                                                             If you are experiencing this, you might want to want check your key fob battery to be sure it is correctly installed and okay. If it passes that check and the door is till been difficult to open and close, then consider visiting a professional auto lock smit for help.
  • Key in Ignition Does Not Turn                                                                                                                                        If your key fob has a physical key that you must insert into the ignition and turn and it doesn’t budge, you may have a problem with the transponder chip inside the key fob base. For some reason it’s not sending the security code to the car immobilizer.                                                                                                                                                                                                                                                                                                                                                      This is often due to water damage (water + electronics don’t mix) or actual breakage of of the chip due to the fob falling or being crushed. Before ordering a replacement key, make sure you’re using the correct key fob for the car. Just because your spouse drives the same make of car doesn’t mean her key fob will work in yours.
  • Car Alarm Problems                                                                                                                                                          The alarm system in your vehicle is associated with the same security feature as your immobilizer. If you have a bad immobilizer, then you’ll likely have a bad alarm system too.                                                                                                                                                                                                                                                                                        Depending on the type of alarm system that you have installed, this means anyone breaking your windows or stepping near your vehicle will no longer cause the alarm to go off.

If you have any questions or want more clarity about how to remove engine immobilizer please ask us using the comment section. Do not forget to share this article on your social media platforms too, it could be of help to someone. Remain Blessed!

Conclusion

The researchers at the Chaos Communication Congress presented a paper about the reliability of modern vehicle inmobilization systems. In the Netherlands vehicle theft dropped by up to 80 percent between 1995 and 2008.

However, immobilizers are as easily cracked as any other relatively complex technology. Cybersecurity researcher Wouter Bokslag chooses this as the topic of his Master’s thesis and presents his results at the36th Chaos Comm ciprs. They have been compiled by researchers Jan C. van Ours and Ben Vollaard.

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