Programming Car Keys
As cars have become more electronic and electronic, key programming has become an important service that can bring in a lot of revenue. A lot of shops do not offer this service.
Modern fobs and keys are more than just keys - they can remotely start your car and open the rear hatch, and safeguard the vehicle against physical and digital attacks. You need to be aware of how to program them.
What is a transponder?
A transponder car key is a key that features a security feature against theft integrated into it. This is accomplished by incorporating an RFID chip for radio frequency identification into the head of the key. The chip is used to relay a signal to the immobilizer system in your vehicle during the ignition startup process. This stops hot-wiring of the car, making it extremely difficult to take your vehicle.
It isn't to say that transponder keys are foolproof, because even though they provide an additional layer of security, it does not mean that criminals is unable to employ their skills to gain entry into the vehicle. It takes a lot more time and effort for them to accomplish this, which is why it is a great security option for anyone who is concerned about the security of their vehicle.
The way that transponder keys function is quite simple. The microchip in the plastic head of the key is programmed with a specific digital serial number that is connected to the immobilizer system in your vehicle. The immobilizer system will check the serial number when you insert the key in the ignition. If it matches, the engine will start and if it doesn't, the car will not start.
There are a few different kinds of transponder chips that can be programmed and the type of chip your vehicle is using will determine what kind of key you own. You can locate the correct transponder chip to match your vehicle through a search engine or going to an expert locksmith and asking what kind of key you have.
Transponder keys are more expensive to replace due to the microchip. describes it that sells your car is the most expensive alternative to replace your keys because they have the highest cost of overhead. However, you can also visit a locksmith to get a new key.
You can only program the transponder if you haven't cut it yet. You can try to do it yourself by purchasing a transponder from one of the many stores that offer these services, but you will need to have a special device to accomplish this task.
What is the process for programming a transponder?
Transponder keys are car keys equipped with chip. They are designed to prevent auto theft by ensuring that only the right key is used to start the car. If you've lost the key or the chip is damaged, a locksmith can create a replacement key for you. In the majority of cases the process of programming a chip key is relatively simple and easy. Certain cars require special equipment for programming the key.
The first step in the process is to determine the type of key you have. To ensure that you have the correct blank for your key, it is crucial to know your vehicle's make, model and year. Certain keys have a transponder within the key head while others don't. If your key is chipped the bow cover will be more hefty. describes it can also determine whether your keys are equipped with chips by looking at the ignition. If your key has a push-to-start button instead of a hole, then it probably has a chip.
The next step is to decide which programming method will be employed. Some transponder keys can be programmed with on-board diagnostics, while others require a specialized key programming device. The key programming device has to be compatible with the transponder/circuit board key being utilized, and must also operate at the same frequency as the vehicle's onboard computer.
It may be tempting to save money by programming a transponder yourself but this is risky. If you don't follow proper steps you could damage the information on the chip, making it impossible for you to start your vehicle. For this reason, it is recommended to hire a licensed professional with access to the right tools and know-how to properly program your key. It is a good idea when you have keys, to create additional keys so that you can replace them quickly and conveniently if you lose one.
How do I program the transponder key?
You must program the chip inside the head of the car key if the vehicle is controlled by transponders. This procedure can be difficult, especially if your keys are damaged or lost. In some cases it is possible to start the car without the transponder chip however this isn't recommended and could cause problems. In these instances you should contact an experienced locksmith or a car dealer to resolve the problem.
You need the right tools to program a transponder and you should know the correct procedure. Transponder keys usually come with an antenna ring on their head that transmits radio frequency energy to a chip inside. The antenna ring receives a unique code from the chip. Once the transmission is received the ignition system will recognize that the key is in the ignition and turn on.
You can do this at home if you have the appropriate equipment and are familiar with the procedure for your specific vehicle. The majority of manufacturers have a certain procedure for programming that will require certain materials. It is important to know that programming will require an extended battery life. If your battery fails during the process, you'll need to start the process again at the beginning.
This is why most people prefer having professionals do it for them. A transponder key that is programmed correctly will not only ensure that your vehicle is safe to drive but it will also save you time and money.
You can easily program a new transponder to work with your old one by following the steps below. You must use the transponder key programer that is compatible with the vehicle model you have. Follow the directions on the device for the best results. Be aware that certain cars have a specific technology that requires a dealer to create the new key, however this is not the case for the majority of vehicles. If you have the correct key and the necessary equipment the procedure should be fast and easy.