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Using a Key Programmer Modern key fobs do more than just function as keys. They communicate with the vehicle to turn it on, open the rear hatch and more. To accomplish this, they need to be programmed. All car dealerships, auto manufacturers, and auto locksmiths offer key programming. You can do it yourself with the right equipment. What is a key programmer? Key programmer is a device that allows you to change the transponder code in the car or truck fob or key. This procedure is needed when a new fob or key needs to be programmed. This is usually required when a fob or a key is lost or stolen. The device basically reprograms the digital signature of the chip inside the key to match that of the vehicle and enable it to start. Some vehicles are equipped with electronic immobilizers that prevent theft by preventing the engine from being started without the right key. The system checks if the key or fob is digitally signed. The system will turn off if it doesn't. This type of system has been proven to be effective in reducing the incidence of theft and was made mandatory for various models of vehicles by the manufacturer. These anti-theft systems can be controlled by a module that is installed in the vehicle's engine compartment instrument panel, instrument panel, or ignition lock. In some instances, these modules need special keys that have been programmed by professionals to work with the anti-theft system. This is typically done by a dealer, or locksmith with a computer. While it is possible to reprogram some fobs and keys on your own but it is not advised unless you're an experienced automotive technician. The wrongly programmed key could cause the vehicle not to start, or not to run or even break. The majority of auto makers have a very specific procedure to program these kinds of keys. It is recommended that if you plan to offer key programming as part of your service offering you acquire an LSID. This credential gives you access to a database of key and immobilizer codes and details about the product. Having this access allows you to create and test new keys for customers quickly and effortlessly. In addition, it gives you important support and documentation that will aid you in your day-today business operations. How do I program an electronic key? Key programmer devices can be used to reprogram the keys in your car. It reads data from the microchip in the key, and write new information to the chip. This allows you to use the key, and make sure that it functions correctly. The procedure of programming a key can be a bit difficult and requires technical knowledge. Therefore, before attempting to accomplish this on your own, you should first consult an expert or locksmith for guidance. You can purchase a key programer and have it professionally programmed at a cheaper cost than what you would have to pay an auto shop to do the job for you. Be aware that not all key programmer models are compatible with your vehicle and you must ensure the product's compatibility with the model of your car before making a purchase. Dealers typically need to reprogramme your key fob. The key fob must be reprogrammed so that it can include the specific information needed for the anti-theft system of your vehicle. Dealers will usually need the VIN number of your car to do this, and will charge an amount. You can save money by providing your dealer a copy which you will be able to obtain from the DMV of most states. You can also change the programming of your car's keys when you already have a functioning key. This method is known as the master key method and it is applicable to certain vehicles in order to program the secondary key. If you have a GM vehicle, for instance, insert your key into the ignition until the security light goes out. After that you can take out your working key, and then insert the new one to program it. You can also buy an exclusive EEPROM Key Programmer. This is more expensive but more efficient method of programming a car key. However it is a more advanced technology that requires dismantling the car and reading the information from the microchip in the key. This kind of programming should only be performed by professional automotive technicians with vast experience in electronic repairs. What are the top key programmer options? There are many options available in the field of key programmers. reprogram car key are created for a specific use, like generating new keys. Others include diagnostic and service features to make them a multi-purpose tool in the mechanic's shop. XTool is one of these manufacturers offering a variety of key programmer devices that have been well-received by customers. Their products are simple to use and inexpensive, with a customer-focused focus. One of the most well-known models from their range is the XTOOL Inplus IP616, rated as one of the best in its class. It has a simple, user-friendly interface with super clear instructions that guide users through the procedure of programming a new key. There are two ways to accomplish this: via vehicle or by type. The first is easier and is more suitable for novices and home mechanics, while the second option is more sophisticated and requires more experience. Another great option is the Autel MaxiIM IM608 PRO Auto Key Programmer. This device is a major upgrade to the previous model, offering greater power and stability. It features an IMMO function that is powerful and OE-level full system diagnostics which makes it ideal for automotive technicians who are professionals. This model is also able to bypass immobilizers on earlier Renault vehicles. It also comes with additional useful features, including reading mechanical key codes or dealer tool security codes. Additionally, it is able to read CAN data on some Peugeot and Citroen vehicles and has a long-lasting battery. Despite its impressive features, the XTOOL Inplus IP616 remains relatively affordable. It's priced at less than $500, making it an excellent option for any DIY or mechanic rvinepairman. The device comes with an rechargeable battery and a speedy boot-up process and supports both OBD CAN protocols. Autel XP400 Pro Auto Key Programmer is a more sophisticated option. This is an advanced IMMO device that has many features, including the capability to duplicate Freescale 9S12MCUs. It supports a wider range than the previous model, and also has a CAN bus communication system that can be used with ECUs. Which key programmer is right for me? It all depends on what kind of work you do and what you expect from your key programmer. If you're an auto locksmith, you may require a key programer that covers the largest range of vehicles, such as the Smart Pro or Autel IM608 Pro. They're made to do everything from read/write on the key to ECU programming and some OE level programming. There are alternatives for mechanics that do not require the whole rig. One of them is the Xtool Pad3 tablet key programmer. It is specifically designed for key programming, however it also has advanced special features, including oil service light resets, battery resets EPB resets, and throttle body resets.