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Using a Key Programmer Modern key fobs are more than simply function as keys. They communicate with the vehicle to start it up and open the rear hatch and more. To do so they must be programmed to work in conjunction. All automobile dealerships, auto makers, and auto locksmiths offer key programming. You can do it yourself with the right tools. What is a key programmer? A key programmer is a device used to recode the transponder in a key or fob for the vehicle truck or other vehicle. reprogram car key is required when a new fob or key needs to be programmed. This process is often required when a key or fob is lost or stolen. The device essentially reprograms the digital signature of the chip inside the key to match that of the vehicle and allow it to begin. Some vehicles come with electronic immobilizers that protect against theft by stopping the engine from starting if it is not equipped with the correct fob or key. This is accomplished by having the car's security system examine to ensure that the key or fob has the correct digital signature. If it doesn't, the system will shut down. This kind of system is effective in reducing theft of automobiles, and was made mandatory for various models of automobile by the manufacturer. Most of these anti-theft systems are controlled by a module installed in the vehicle's engine or instrument cluster or ignition lock. In some instances they require keys that are specifically designed by a professional to function with the anti-theft system. This is typically done by a dealership or locksmith through computers. It is possible to reprogram certain fobs and keys yourself, but it is not recommended until you are an experienced automotive technician. A key that is not properly programmed could cause the vehicle to not start, or not to run or even be destroyed. The majority of auto makers have a very precise procedure for programming keys. If you're looking to add key programming to your offerings, it is recommended that you get an LSID (Locksmith Service ID). This credential allows you access to a database of key and immobilizer codes and product information. This allows you to quickly and easily program and test new keys for customers. In addition, it also gives you important support and documentation that will aid you in your day-today business operations. How do I program a key? A key programmer can be used to modify the keys of your car. It reads data from the microchip on your key, and then write new information to the chip. This will permit you to use the key and will ensure it functions effectively. The process of using a programmer can be a bit complicated and requires technical expertise. Before you attempt to program the key yourself, you must consult a professional locksmith or expert for advice. You can also purchase an electronic key programer and get it professionally programmed online at a cost that is lower than the cost you would pay a dealership to do the work for you. Be aware that not all key programmer models will work with your car and you must confirm the compatibility of the item with your vehicle's model before purchasing. The majority of the time, you will require having your key fob reprogrammed by a dealer. This is because the key fob will have to be reprogrammed with the specific information required by your vehicle's anti-theft system. Dealers will usually need the VIN number of your car to accomplish this, and they will charge fees. You might be able to save money by giving the dealer a copy your title that you can get through the DMV in most states. You can also change the programming of your car's keys when you already have a working key. This method is called the master key method, and it can be applied to some vehicles in order to program a secondary key. For example, if you are driving a GM vehicle, you can insert your working key into the ignition and switch it on until the security light goes off. Once this happens then you can remove your working key, and then insert the new one to program it. You can also buy a specialized EEPROM Key Programmer. This is more expensive but more effective method of programming a car key. However it is a more advanced technology that requires removing the car and reading the data from the microchip inside the key. This type of programming is ideal for skilled automotive technicians with extensive experience in electronic repair. What are the best key programmer options? There are many options available in the field of key programmers. Some key programmers are created to serve a single function, like creating new keys. Others have diagnostic and service features to make them a multi-purpose tool for a mechanic's shop. XTool is a manufacturer of key programming tools which are highly rated by customers is among these manufacturers. The products are affordable and are based on a customer-centric approach, making them easy to use. One of their most popular models is the XTOOL Inplus IP616, which has been rated as one of the best in its category. It comes with an easy, user-friendly interface with super clear instructions that help users through the process of programming a brand new key. It has two methods for accomplishing this: by vehicle or by typing. 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 knowledge. Autel MaxiIM IMM608PRO Auto Key Programmer is another great alternative. This device is an upgrade of the previous model, bringing increased power and stability. It comes with a powerful IMMO feature and OEM-level diagnostics. This makes it perfect for automotive technicians who are professionals. This model can also bypass immobilizers in early Renault vehicles. It also has other useful features, including reading mechanical key codes or dealer tool security codes. In addition, it can read CAN data from certain 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 a great choice for any mechanic or DIY repairman. It comes with a rechargeable battery and a fast boot-up time and supports both OBD CAN protocols. Autel XP400 PRO Auto Key Programmer is a more advanced version. This is a sophisticated IMMO device that includes many features, including the capability to duplicate Freescale 9S12MCUs. It supports a wider range than the previous model, and comes with an CAN bus communication system that can be used with ECUs. What key programmer is best for me? It all comes down to what kind of work you perform and what you need from your key programmer. If you are an auto locksmith, then you might need a key programmer that covers a wide range of vehicles. For instance, the Smart Pro or Autel IM608 Pro. They can be used for everything from reading/writing on the key to ECU programming, and even some basic programming for OE. There are simpler options for mechanics who do not require the full apparatus. One of them is the Xtool Pad3 tablet key programmer. It is specifically designed for key programming, however it also comes with advanced functions, like oil service light resets, battery resets, EPB resets and throttle body resets.