Programming Car Keys
As automobiles have become more electronic, key programming has become an essential service that can generate a significant amount of revenue. Many shops do not offer this service.
Modern keys and fobs can perform more than just starting the car. They also open the rear hatch and protect the vehicle from physical and cyber-physical attacks. This is why you need to be capable of programming them.
What is a transponder?
A transponder car key has an anti-theft security feature included. This is done by integrating the radio frequency identification microchip inside the head section of the key. The chip is used to transmit a signal to immobilizer system in your vehicle when the ignition is turned on. This chip blocks hot-wiring process and makes it extremely difficult to steal an automobile.
It isn't to say that transponder keys are secure, because even though they add an extra layer of security, it does not mean that criminals cannot utilize their expertise to gain entry into vehicles. It simply means that it takes longer and more effort to accomplish this which is why this security feature is a huge advantage for anyone who cares about the safety of their vehicle.
Transponder keys are easy to use. The microchip inside the plastic head of the key is programmed with a unique digital serial number that is connected to the immobilizer system of your vehicle. When you put the key in the ignition the immobilizer will recognize the serial number and confirm it. If it matches the number, the engine will start and if not, the car will not begin.
There are several different types of transponder chip that can be programmed. The kind of chip your vehicle is using will determine the type of key you own. Professional locksmiths and search engines can help you find the right transponder to match your vehicle.
In general transponder keys tend to be more expensive to replace than keys that are not transponder-compatible because they are more expensive due to the cost of the microchip. The dealership that sells your vehicle is the most expensive alternative to replace your key, as they have the most cost of overhead. However you can also go to a locksmith to get a new key.
You can only program the transponder if you have not already cut it. You can attempt to do it yourself by purchasing a transponder chip from one of the many stores that offer these services, but you'll require a specific device to accomplish this task.
What is the procedure for programming a transponder?
Transponder keys are keys for cars that have a chip. They are designed to prevent auto theft by making sure that only the right key is able to start the vehicle. A locksmith can create a new key for you in the event that you've lost yours, or the chip has been damaged in any way. In most instances, programming a chip-key is a relatively straightforward and simple process. Certain cars require special equipment for programming the key.
The first step is to determine what type of key you have. It is important to know the make, model and year of your car to ensure that you have the correct key blank. Some keys have a transponder within the head of the key, while others don't. If your key has a chip the bow cover will be more hefty. You can also tell whether your keys are equipped with chips by examining the ignition. If the key has a button to start instead of a hole it is likely to have a chip.
The next step is to determine which method of programming will be used. Some transponder keys can be programmed with on-board diagnostics, while others require a special key programming device. The key programming device should be compatible with the transponder/circuit board key being used, and it must operate at the same frequency as the car's on-board computer.
While it's tempting to save money by trying to program a transponder chip yourself, this is extremely risky. If you do not follow the correct steps you could alter the information stored on your chip and make it impossible for you to start your car. It is best to get your key programmed by a professional who has the tools and expertise necessary to accomplish this. It is a good idea, while you have the keys, to make additional keys so that you can replace them quickly and easily if you lose one.
How do I program the transponder key?
If your vehicle is equipped using a transponder keys, you will need to program the chip in the head of the car key to begin it. This process can be tricky, especially when keys are damaged or lost. In some instances you might be able to start the vehicle without the transponder chip however this isn't recommended and could cause problems. In these situations you should consult an experienced locksmith or car dealer to resolve the problem.
To program a transponder keys, you need to have the right tools and understand the correct procedure for your vehicle. The majority of transponder keys have an antenna ring inside the head of the key that sends out bursts radio frequency energy to the chip within the key. The chip responds with an identification code to the antenna ring. When G28 is received, the ignition system will recognize that the key has been placed in the ignition and turn it on.
You can do this at home, provided you have the appropriate equipment and know-how of the process for your particular vehicle. Most manufacturers have their own programming method, which may require specific equipment. It is important to note that the programming step requires a large battery power duration. If your battery is dead, you will need to restart the process.
Most people will hire professionals to handle this. A transponder key that is programmed correctly will not only make sure that your vehicle is safe to drive, but will also save you time and money.
You can easily program a new transponder key to work with your old one if you follow the steps below. You must use a programmer that is compatible with your car model. For the best results, you should adhere to the instructions on the device. Be aware that certain automobile models come with a special technology that requires a dealer to create the new key, however this is not the case for most vehicles. If you have the correct key and the appropriate equipment this process should be quick and simple.