Programming Car Keys
As automobiles have become more electronic, key programming has become an important service that can generate significant revenue. But many shops don't provide this service.
Modern fobs and keys are more than just keys - they can remotely start the car, open the rear hatch, and secure the vehicle from physical and virtual attacks. You must know how to program them.
What is a transponder?
A transponder car key comes with a security feature to prevent theft built in. This is achieved by integrating an RFID chip for radio frequency identification inside the head of the key. This chip is used to transmit a signal to the immobilizer system of your vehicle during the ignition startup process. This stops hot-wiring the car and makes it extremely difficult to steal your vehicle.
This is not to say that transponder keys are foolproof however, even though they add an extra layer of security, it does not mean that a criminal is unable to employ their skills to gain entry into vehicles. It just means that it takes much more time and effort to do it, which is why this security feature is a huge benefit to anyone that cares about the safety of their vehicles.
The way in which the transponder key functions is quite simple. The microchip inside the plastic head of the key is programmed with a specific digital serial number that is linked to the immobilizer system in your vehicle. The immobilizer system checks the serial number once you insert the key into the ignition. If reprogram car key is in fact the same the number, the engine will start and if not the car will not start.
There are many different kinds of transponder chips that can be programmed. The kind of chip your vehicle is using will determine the kind of key you own. Professional locksmiths and search engines can help you locate the right transponder for your car.
Transponder keys are more expensive to replace because of the microchip. The dealership that sells your car is the most expensive alternative to replace your key because they have the highest cost of overhead. However, you can also go to locksmiths to get a new key.
Another important thing to be aware of is that you are able to program the transponder key in the event that it hasn't been cut previously. You can do it yourself if you purchase a transponder from one of the stores that provide these services. However, you will require a specific tool to accomplish this job.
What is the procedure for programming a transponder?
Transponder keys are car keys equipped with a chip. They are designed to stop auto theft by ensuring that only the correct key can start the car. Locksmiths can create a new key for you if you've lost yours or the chip is damaged in any way. In the majority of cases, the process for programming a chip key is relatively easy and straightforward. However, some vehicles require specialized equipment to program the key.
The first step is to determine the type of key you have. To ensure that you have the correct blank for your key, it is important to know the make, model and year. Some keys have the transponder in the key head, whereas others do not. If your key is chipped, the bow cover will be thicker. You can also tell whether your keys have chips by looking at the ignition. If it has a push to start button instead of a key hole it's most likely an ignition equipped with a chip.
The next step is to choose which programming method will be employed. Some transponder keys are programmed using onboard diagnostics while others require a specialized key programming device. The key programming device should be compatible with the key transponder/circuitboard that is being used. It should also function at the same frequency of the vehicle's computer on-board.
It's tempting to save money by programming a transponder on your own however, this could be risky. If you don't follow the proper procedure you could damage the information on the chip, making it impossible to start your car. This is why it is recommended to consult a licensed professional with access to the necessary tools and knowledge to properly program your key. It is a good idea when you have keys, to make additional keys so that you can replace them quickly and easily in the event that you lose one.
How do I program a transponder-key?
You must program the chip inside the head of the car key if the vehicle is controlled by transponders. This is a difficult process, especially if you have lost or damaged your keys. In certain situations, you may be able to start the vehicle without the transponder chip however this isn't recommended and could cause issues. In these instances you should contact an experienced locksmith or dealer to resolve the problem.
To program a transponder key you'll need the right tools and understand the correct procedure for your vehicle. Transponder keys usually have an antenna ring on the head that transmits radio frequency energy to a chip within. The chip responds with an identification code to the antenna ring. When the signal is received the ignition system will detect that the key has been in the ignition and then activate.
If you have the right equipment and are familiar with the procedure for your vehicle, you can do it at home. Most manufacturers have their own methods of programming that may require specific tools. You should be aware that programming will require a long battery life. If your battery dies during the process, you'll need to start the process at the beginning.
This is the reason why many opt to have a professional do this for them. Transponder keys that are programmed correctly can save you time and money.
Follow the steps below to program a new key to work with an old one. You need to use a device compatible with the car model you have. For best results, follow the instructions on the device. Be aware that certain automobile models come with a special technology that requires a dealership to create the new key, however this is not the case for the majority of cars. This process should be simple and quick if you have the correct key and necessary equipment.