Programming Car Keys
As cars have gone more electronic, key programming has become an important service that can generate significant revenue. There are many shops that do not provide this service.
Modern keys and fobs do more than just start the car. They also allow you to open the rear hatch and protect the vehicle from physical and cyber-physical attacks. This is why you need to be able to program them.
What is a transponder?
A transponder car key is a key that has an anti-theft security feature included. This is accomplished by incorporating an RFID microchip inside the head of the key. The chip is used for relaying a signal to the vehicle's immobilizer during starting of the ignition. This chip blocks hot-wiring and makes it very difficult to steal a vehicle.
It is not true that transponder keys are completely secure. While they do provide an additional layer of security however, criminals still have the capability to employ their skills to break into vehicles. It simply means that they need much more time and effort to do so and that's why this security feature is a huge advantage to anyone that cares about the security of their vehicle.
The way that the transponder key functions is very straightforward. The microchip inside the plastic head of the key is programmed with a unique digital serial number that is linked to the immobilizer system in your vehicle. When you put the key in the ignition the immobilizer will detect the serial number and confirm it. If the serial number is in line the engine will begin.
There are a few different kinds of transponder chips that can be programmed, and the type of chip your vehicle is using will determine which type of key you own. You can determine the best transponder chip for your vehicle by searching on an online search engine or by going to a professional locksmith and asking them what type of key you have.
Transponder keys cost more to replace due to the microchip. The dealership that sells your vehicle is the most expensive option to replace your key, as they have the highest overhead. However, you can also go to locksmiths to purchase a new key.
You can only program the transponder if you have not already cut it. You can do it yourself if you purchase the transponder from one of the stores that offer these services. However, you will require a specific tool to accomplish this task.
What is the process to program a transponder key?
A car key that has chip inside is a type of transponder key. They are designed to stop auto theft by making sure that only the right key can start the car. If you've lost the key or the chip is damaged, a locksmith is able to make a replacement for you. Most of the time, the process for programming the chip key is simple and straightforward. Certain cars require special equipment to program the key.
To begin, you must first determine the type of key that you own. It is crucial to know the model, make and year of your car to ensure that you have the correct key blank. Certain keys have a transponder inside the key head, whereas others do not. If your key is equipped with a chip, the bow cover (the plastic part on the top of the key) will be more thick than on a non-chip key. It is also possible to tell whether your key is equipped with a chip by looking at your ignition. If it has a push to start button instead of a key hole it is probably a key equipped with chip.
The next step is to determine the method of programming to be employed. Some transponder keys can be programmed using onboard diagnostics while others require a special key programming device. The key programming device must be compatible with the key circuitboard or transponder that is being used. It must also operate at the same frequency as the vehicle's computer on-board.
Although it may be tempting to save money by attempting to programme a transponder key yourself, it is very risky. If you don't follow the proper steps, you may corrupt the information stored on the chip, making it impossible to start your car. For this reason, it is best to hire a licensed professional with access to the necessary tools and knowledge to properly program your key. It is also an excellent idea to have extra keys made when you still have them, so that if you do lose one, you can replace it quickly and easily.
How do I program a transponder key?

If your vehicle operates with a transponder key, you will need to program the chip in the head of your car key to activate it. This can be a tricky procedure, particularly if you have lost or damaged keys. You may be able start the car without the transponder, however it is not recommended. In these cases you should contact an experienced locksmith or a car dealer to solve the problem.
You will require the appropriate tools to program a transponder and you must know the correct procedure. Most transponder keys include an antenna ring inside the head of the key that sends out bursts radio frequency energy to the chip inside the key. The antenna rings receives an identification code from the chip. When automotive key programming is received the ignition system will recognize that the key is placed in the key and activate.
You can do this at home, provided you have the right equipment and are familiar with the process that is appropriate for your vehicle. Many manufacturers have their own method of programming, which may require specific supplies. Be aware that programming will require the use of a long-lasting battery. If your battery dies, you will need to restart the process.
This is why most people opt to have professionals do it for them. Programming a transponder key correctly will not only guarantee that your vehicle is safe to operate, but can also save time and money.
You can easily program a new transponder key to work with your previous one if you follow the steps below. You will need a programer compatible with your car model. To get the best results, follow the instructions on the device. Be aware that certain cars have a specific technology that requires a dealership create a new key, but this is not the case with the majority of vehicles. If you have the right key and the necessary equipment this procedure should be fast and easy.