Programming Car Keys
As cars have become more electronic and more electronic, key programming has been an essential service that can bring in a lot of revenue. A lot of shops do not offer this service.
Modern keys and fobs are more than just keys - they can remotely start the car and open the rear hatch, and secure the vehicle from physical and virtual threats. You need to know how to program them.
What is a transponder?
A transponder key is a car key that has an security measure to prevent theft built into it. This is achieved by incorporating an RFID microchip in the plastic head of the key. The chip is used for relaying a signal your vehicle's immobilizer during the starting of the ignition. This chip prevents the hot-wiring, making it difficult to take the vehicle.
It isn't to say that transponder keys are infallible, because even though they add an extra layer of security, it does not mean that criminals cannot utilize their expertise to gain entry into a vehicle. It takes a lot of time and effort to accomplish this, which is why they are a great security feature for anyone who cares about the safety of their vehicle.
The way that a transponder key works is very straightforward. The microchip in the plastic head of the transponder key is programmed to hold an individual serial number that is a match for the immobilizer inside your vehicle. When you insert the key into the ignition the immobilizer system will recognize the serial number and verify it. If it matches, the engine will start and if it doesn't the car will not start.
There are several types of transponder chip that can be programmed and the type your vehicle is using will determine what kind of key you have. Search engines and professional locksmiths can help you find the correct transponder to match your vehicle.
Transponder keys cost more to replace because of the microchip. The dealership for your vehicle will be the most costly option for getting a replacement key because they have the highest overhead costs, but you can also turn to an expert locksmith for your new key.
You can only program the transponder in case you haven't cut it yet. You can do it yourself if purchase an transponder from one the stores that offer these services. But, you'll require a specific tool to complete the job.
What is the procedure to program the transponder?
reprogramming key fob that has a chip in it is a type of transponder key. They are designed to stop auto theft by ensuring that only the right key can start the car. If you've lost your key or the chip is damaged, a locksmith will program a replacement for you. In most cases, the process for programming a chip key is relatively easy and straightforward. However, some vehicles require special equipment to program the key.
The first step in the process is to determine what kind of key you have. It is important to know the make, model, and year of your vehicle to ensure you have the proper key blank. Some keys come with transponder chips inside the head of the key, but others don't. If your key is equipped with a chip, the bow cover (the part of the plastic that is on the top of the key) will be heavier than on a chip-free key. You can also tell if your keys have chips by looking at the ignition. If it has a push to start button instead of a key hole it is probably one equipped with chip.
The next step is to choose which method of programming will be employed. Some transponder keys are programmed using on-board diagnostics, while others require a special key programming device. The device used to program keys must be compatible with the key transponder/circuitboard that is being utilized. It should also function at the same frequency of the computer on board of the vehicle.
It may be tempting to save money by programming a transponder yourself, but this can be risky. If you don't follow the proper steps you could corrupt the information on the chip and make it impossible to start your car. It is best to get your key programmed by a professional who has the tools and knowledge necessary to do so. It is a good idea, once you have the keys, to make additional keys to be able to replace them quickly and easily in the event that you lose one.
How do I program my transponder key?
The chip must be programmed inside the head of the car key if the vehicle is controlled by a transponder. This process can be tricky particularly in the event that your keys are lost or damaged. In some instances, you may be able to start your car without the transponder chip, however, this is not recommended and could lead to trouble. In these situations, you can 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 typically come with an antenna ring that is attached to the head that transmits radio frequency energy to a chip within. The antenna ring receives a unique code from the chip. When the signal is received the ignition system will detect that the key is placed in the key 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 method of programming, which may require specific equipment. Be aware 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 a professional to do this. Getting a transponder key programmed correctly will not only guarantee that your vehicle is safe to operate, but can also save time and money.
Follow the steps below to program a new key to work with an old one. You will need a programer compatible with your car model. Follow the instructions on the device for the best results. Certain car models have special technology that requires a dealer to make the key. This is not the case with the majority of cars. The process should be easy and quick if you have the correct key and necessary equipment.