Currently, most vehicles come equipped with an engine immobilizer to protect against theft of cars. If your vehicle will not start after inserting the key fob, it could be an issue with a transponder which isn't sending a security message to the immobilizer.
This is a simple fix for any auto locksmith in Gold Coast. Let's take a look at the different components of your car immobiliser and what you can do to get it fixed.
Battery
It is essential to concentrate on the cost-savings and revenue potentials of your auto repair shop. You can do this by offering key fob replacements and reprogramming for your customers. This will not only benefit your customers, but also increase your shop's profits without having sublet the dealership.
The key fob battery is used to power the remote locking and opening systems. The immobiliser isn't powered by the key fob battery. Instead, the immobiliser is dependent on the transponder chip on the fob or key. The chip transmits a code from the key or fob to the immobilizer unit in the car. It can be integrated into the PCM (power control module) or BCM (brake control module), instrument clusters smart junction boxes or standalone modules. The system then checks the code to ensure it is correct. If the code is incorrect it will disable the components that are essential to start the car, such as the starter motor or ignition. This will make the vehicle difficult to start without the correct key.
The immobiliser system has been extremely effective at reducing car theft since its introduction. Yet the thieves are always trying to get around these security measures. One of these strategies is a recent trend called the Kia Challenge on TikTok that showcased how easy it is to connect a vehicle with hot wires.
Insurance companies are now factoring the use of an immobiliser to calculate premiums. This makes it more attractive to purchase a car that has this feature. However, even cars that were factory-fitted with an immobiliser can experience issues with it. Fortunately, these issues are usually straightforward and affordable to repair. A dying or dead keyfob battery is typically the reason for a malfunctioning ignition immobiliser. This can be identified with an instant diagnostic test. If the problem persists then it could be due to electrical issues or wiring issues. If this is the case, it's best to have a professional diagnose and fix the problem.
Transponder Chip
A tiny electronic chip, referred to as a transponder, is built in the head of your car keys. This technology was first introduced in cars manufactured after 1995. Also known as a 'chip key or a 'transmitter and responder key, it's created to stop the engine from starting if a third party has an exact copy of your car key. It functions by sending a radio frequency signal from the key to the immobiliser system of your car. If the code in the car's computer matches that signal sent from the key, it will deactivate the immobiliser and allow the engine to start.
The key that has the transponder chip can be referred to as a 'fob' or a smart key because it is much more difficult to duplicate than a traditional mechanical key. Using special techniques, it is feasible to copy a conventional car key, but not a transponder key. Transponder chips are powered by an infrared signal, not battery power.
To activate the transponder the ignition cylinder has to be in the ON position. The ring emits IR energy that is detected by a microchip in the key. The chip responds by sending a unique code to your car's immobiliser. The car's computer compares the code in its memory with that from the transponder chip and if they match the engine will be able to start.
If the immobiliser detects an unauthorised transponder, key or other device is being used, it will disable the engine and stop the essential components from working. Without a functioning engine the vehicle won't be able to move and it would be very easy for a criminal to wire the vehicle and then drive away. This is a powerful deterrent against crime and it is one of the main reasons why it's important to have your car's key immobiliser repaired immediately you discover a fault with it. If you don't, the security light on your car will keep flashing and it will be inaccessible to start your engine.
Security Light
The immobiliser is powered by a small battery that sends an electrical signal to the transponder chip within your key. This is an anti theft device that prevents anyone from opening your vehicle without the proper key. If the system can't identify a digital serial number from the chip in your key, it will deactivate the engine immobiliser and stop the car from beginning.
This car immobiliser system is effective in stopping thieves, but it is also possible for it to get out of connection with the key or the transponder chip. This could be due interference or a system that is too sensitive. This may need the system to be reset. To do this simply disconnect the battery. Leave it disconnected for about 15 minutes, then insert it and start the vehicle. This will reset the system and allow it to accept your key again.
The security light is a way of alerting you to a problem. If the light is illuminated and you attempt to start your vehicle, it indicates that the code that is stored in the ECU is not compatible with the chip inside the key. This can happen if you have recently replaced your car's key with one that isn't programmed to the vehicle, or when you've had a damaged swapped ECU.
If this is the case, then you need to go to a professional and have the the transponder chip properly programmed to your vehicle. There is also the possibility that the system isn't accepting the key because of an update or software issue. To test, put your key in the ignition and turn the ON position. Do not attempt to start the vehicle. Keep the key in this position for 10 minutes. The security light should turn on, then go off. If it does not then you must repeat this procedure and wait for another 10 minutes. Repeat the process three times and the problem is likely to be solved.
Programming
A car immobiliser stops the car's engine from operating without a properly programmed key or fob. It makes use of a unique RFID microchip that cannot be duplicated and comes with its own digital serial number. The immobiliser will disengage when it is unable to recognize the code. It's tough to beat.
Modern cars are fitted with this security system in the standard configuration. This makes it difficult to hot-wire a vehicle or use a different key as a starter. The system works by sending a code from the key fob to the ECU. The ECU recognizes that it is the correct key and hasn't been a compromise in the code. car remote key repair won't permit the car to start if it doesn't receive the correct code. Some models will even report back to the owner if someone tries to use an unapproved fob or key.
However the system isn't foolproof. Certain thieves have been able to bypass the immobiliser by using methods like hot-wiring. This involves crossing the wrong wire in an automobile to cause a malfunction in the ECU. This method is risky and requires extensive experience to avoid electrocuting oneself. Plus, a lot of modern car thieves have shifted to more sophisticated methods like using specialized apps or Bluetooth to steal the car's data and then remotely control it from their phone.
Car owners often notice warning lights that signal an immobiliser that has gone out of control. This could be due to various reasons however the most common one is a faulty battery in the keyfob. A simple replacement can fix the issue.
If this doesn't work, the transponder chip might be faulty or mismatched with the ECU. It is more difficult to determine and fix because it requires a specialist locksmith for cars or a dealership. The car immobiliser could also be damaged if water is able to enter the system or if it is physically pulled away from its fob or key. If you encounter any of these problems it is a good idea to consult an auto dealer in your area or garage to seek help.
