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Using a Key Programmer Modern key fobs aren't simply keys; they can communicate with a vehicle to start it and open the rear hatch, and so on. To accomplish this, they need to be programmed to work together. All car dealerships, auto manufacturers and auto locksmiths provide key programming. However, you can also do it yourself if you have the right equipment. What is a key developer? A key programmer is used to recode the transponder in the fob or key of a car, truck or another vehicle. This procedure is needed when a new key or fob has to be programmed. It is also necessary in the event that an existing fob or key is lost or stolen. The device basically reprograms digital signature on the chip inside the key to match the signature of the vehicle and enable it to start. Some vehicles come with electronic immobilizer systems that prevent theft by preventing the engine from running without the correct key or fob. The system checks to determine if the key or fob is digitally signed. The system will shut down in the event that it doesn't. This type of system has been found to be effective in reducing automotive theft and is now required for various models of vehicles by the manufacturer. These systems can be controlled by a device that is placed in the vehicle's engine, instrument panel or ignition lock. In some instances the modules require special keys that have been programmed by professionals to work with the anti-theft system. This is typically done by a dealership or locksmith via a computer. It is possible to reprogram certain keys and fobs by yourself but it isn't recommended until you're an experienced automotive technician. The reason is that a poorly programmed key can cause the vehicle to start, run or be destroyed. The majority of auto makers have a precise process for programming these keys. It is recommended that if you want to offer key programming as a part of your service you acquire an LSID. This credential allows you access to a database of immobilizer and key codes and product information. Having this access allows you to create and test new keys for customers quickly and easily. In addition, it gives you important support and documentation that can aid you in your day-today business operations. How do I program my key? Key programmer is a piece of equipment that will help you change the key codes in your car. It reads the data from the microchip in your key and write new data to the chip. This will permit you to use your key and will ensure that it functions correctly. The procedure of programming a key can be a bit complicated and requires technical expertise. Therefore, before you attempt to complete this task by yourself, you should first consult a professional or a locksmith for guidance. You can also buy a key programmer online and get it professionally programmed for an affordable cost than what you would pay to have a dealership do the work for you. Be aware that not all key programmers will work with your car and you should make sure to check the compatibility of the item with your model of car prior to purchasing. Dealers will usually need to reprogramme your key fob. The key fob must be reprogrammed in order to include the specific information for the anti-theft system of your vehicle. A dealer will typically need to have the VIN number for your car to do this, and typically charge a fee for it. You might be able to reduce the cost by providing the dealer a copy your title, which you can obtain through the DMV in the majority of states. You can also reprogramme your car's keys when you already have a working key. This is referred to as master key method and can be used to program a second key on certain vehicles. For instance, if you own an GM vehicle, you can insert your working key into the ignition and turn it on until the security light turns off. Once that happens, you can remove the working key and insert the new one to program it. You can also buy an specialized EEPROM key programmer which is a more expensive, but more efficient way to program a car key. This is an advanced technology which requires that you disassemble the car and read the information from the chip in the key. This type of programming is best for professional automotive technicians who have years of experience in electronic repair. What are the best key programmer options? There are a variety of options when it comes to key programmers. reprogramming keys for cars are purely for use, focusing exclusively on creating new keys, whereas others offer a variety of diagnostic and service functions to make them a complete tool for mechanics' workshops. XTool is one such company offering a variety of key programming devices that have been well-received by customers. Their products are affordable and feature a customer-focused approach which makes them easy to use. One of the most well-known models from their range is the XTOOL Inplus IP616, rated as the top model in its class. It offers an easy-to-use interface and super clear instructions that guide users through the process of programming a brand new key. It offers two ways of doing this: via vehicle or by typing. The former is simpler and more suitable for novices and home mechanics, while the latter is more sophisticated and requires some knowledge. Autel MaxiIM IM608PRO Auto Key Programmer is another great option. It is an upgrade from the previous model, offering more power and stability. It features a powerful IMMO function and full system diagnostics at OE-level, which makes it ideal for professional automotive technicians. This model is also able to bypass immobilizers on early Renault vehicles. It also has other functions that are useful, including reading mechanical key codes as well as dealer tool security codes. It also reads CAN data from a variety of Peugeot and Citroen cars, and it comes with an extremely long-lasting, rechargeable battery. Despite its impressive features, the XTOOL Inplus IP616 remains relatively affordable. It's available for less than $500, making it a fantastic choice for any mechanic or DIY rvinepairman. The device has a built-in rechargeable battery as well as a quick boot-up speed, and it is compatible with both OBD and CAN protocols. If you're looking for an even more advanced option, you should consider the Autel XP400 Pro Auto Key Programmer. This is a sophisticated IMMO device that has a number of features, including the capability to clone Freescale 9S12MCUs. It has a greater range of features than the previous model, and also has an CAN bus communication system that can be used with ECUs. What key programmer is best for me? It all depends on what kind of work you perform and what you need from your key programmer. If you're an auto locksmith, you may require a key programmer that covers the largest variety of vehicles, such as the Smart Pro or Autel IM608 Pro. They're designed to perform everything from read/write on the key to ECU programming and even some OE level programming. There are alternatives for mechanics that don't need the full apparatus. One of these is the Xtool Pad3 tablet key programmer. It is designed for key programming, however it also has advanced special functions, like oil service light resets, battery resets EPB resets and throttle body resets.