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Using a Key Programmer Modern key fobs are more than just act as keys. They communicate with the vehicle to turn it on, open the rear hatch and more. To accomplish this, they must be programmed. Car dealerships, your car manufacturer and auto locksmiths all offer key programming services. You can do it yourself with the right tools. What is a key programmer? A key programmer is a device used to reprogram the transponder on the key of a truck or car key or fob. This procedure is needed when a new fob or key needs to be programmed. It is also often necessary in cases where an existing fob or key has been stolen or lost. The device reprograms the chip within the key to match the digital signature of the vehicle and allows it to start. Certain vehicles come with electronic immobilizers that prevent theft by stopping the engine from being started without the proper key. This is done by having the car's system examine to ensure that the fob or key has the right digital signature. If it doesn't it will shut down. This type of system has been proven to be effective in reducing automotive theft and has been made mandatory for many models of cars by the manufacturer. These systems can be controlled by a module that is installed in the vehicle’s engine or instrument panel, or ignition lock. In some instances they require keys that are specifically created by professionals to function with the anti-theft system. This is typically carried out by a dealer or locksmith via the use of a computer. car key programming is possible to reprogram certain fobs and keys yourself but it isn't recommended until you're an experienced automotive technician. A key that is not properly programmed could cause the vehicle not to start, or not to run or even to be destroyed. The majority of auto makers have a very specific procedure to program these kinds of keys. If you want to include key programming in your service offerings it is recommended you obtain an LSID (Locksmith Service ID). This credential grants you access to the database of key and immobilizer codes along with details about the product. This access lets you quickly and easily program and test new keys for customers. Additionally, it provides you with important assistance and documentation to 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 the data from the microchip that is in your key, and then write new information to the chip. This will permit you to use the key and will ensure it is working properly. The process of using a programer can be a bit complicated and requires technical expertise. Therefore, before attempting to do this on your own it is recommended to first consult an expert locksmith or locksmith for guidance. You can also buy an online key programmer and get it professionally programmed for a much lower price than what you would pay to have a dealership complete the work. But, remember that not all key programmers will be compatible with your vehicle. You must ensure the compatibility of the product with your model of car before making a purchase. The majority of the time you'll need to have your key fob reprogrammed by a dealer. This is because the key fob will need to be programmed with the specific information required by your vehicle's anti-theft system. programming car keys will typically need to have the VIN number of your car to do this, and usually charge a fee for it. You can save money by giving your dealer a copy, which you will be able to obtain from the DMV of most states. For certain cars you can also try to program your own key if you already have a working key that works on your vehicle. This method is called the master key method and it can be applied to some vehicles to program a secondary key. If you own an GM car, for example, insert your key into the ignition until the security light goes out. After the security light goes out, you can take off the working key and then insert the new one. You can also purchase an specialized EEPROM Key Programmer. This is more expensive, but more effective method of programming the 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 is best for professionals in the field of automotive mechanics who have vast experience in electronic repair. What are the best choices for key programmers? There are a variety of alternatives when it comes down to key programmers. Some key programmers are created for a specific purpose, such as generating new keys. Others have diagnostic and service features to make them a multi-purpose tool that can be used in a mechanic's shop. XTool is one such manufacturer offering a variety of key programmer devices that have been well-received by customers. The products are affordable and feature a customer-focused approach making them simple to use. One of the most adored models in their range is the XTOOL Inplus IP616, rated as one of the best in its class. It comes with an easy-to-use interface and clear instructions that guide users through the programming process. There are two ways to do this: via vehicle or via type. The former is simpler and better suited to beginner mechanics and those who are at home, while the latter is more advanced and requires some experience. Autel MaxiIM IM608PRO Automatic Key Programmer is another excellent option. It is a more recent model that has more stability and power. It features an IMMO function that is powerful and OE-level full system diagnostics that make it a great choice for professionals in the field of automotive mechanics. This model also has the ability to bypass immobilizers on earlier Renault vehicles. It also comes with other useful features, like reading mechanical key codes, or dealer tool security codes. In addition, it can read CAN data from certain Peugeot and Citroen vehicles and also has an extremely long-lasting battery. Despite its impressive features, the XTOOL Inplus IP616 remains relatively affordable. It's available for less than $500, which makes it a great choice for any DIY or mechanic repairman. It comes with a rechargeable battery, a quick boot-up time and is compatible with both OBD CAN protocols. Autel XP400 Pro Auto Key Programmer is a more advanced option. This device is an advanced IMMO tool that has numerous additional options, including the ability to duplicate Freescale 9S12 MCUs. It also supports a larger range of vehicle manufacturers than the previous model and has an enhanced CAN bus communication engine that is compatible with the latest ECUs. Which key programmer is the best for me? It all boils down to the type of work you perform and what you need from your key programmer. If you're an auto locksmith, you might need a key programer that covers the broadest range of vehicles, like the Smart Pro or Autel IM608 Pro. They're designed to do everything from read/write on the key to ECU programming and some OE level programming. There are more affordable options for mechanics who don't need the full equipment. One of them is the Xtool Pad3 tablet key programmer. It is specifically designed for key programming, but it also has advanced special features, including oil service light resets, battery resets EPB resets, and throttle body resets.