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Using a Key Programmer Modern key fobs aren't simply keys; they can communicate with a vehicle to start it or open the rear hatch, and so on. To accomplish this they must be programmed to work with each other. Car dealerships, your vehicle manufacturer and auto locksmiths provide key programming services. You can do it yourself using the right equipment. What is a key programmer? Key programmer is a device used to reprogram the transponder on the key of a truck or car fob or key. This is needed when a new fob or key needs to be programmed. It is also often necessary in cases where an existing key or fob has been stolen or lost. The device essentially reprograms the digital signature of the chip inside the key to match that of the vehicle and allow it to begin. Certain vehicles come with electronic immobilizers which prevent theft by stopping the engine from running without the right key. The system checks whether the fob or key is digitally signed. If it doesn't, the system will shut down. This type of system is efficient in reducing car theft and was made mandatory for various models of automobile by the manufacturer. The majority of these anti-theft systems are controlled by a module installed in the vehicle's engine instrument cluster, instrument cluster, or ignition lock. In some instances the modules require special keys that are programmed by experts to work with the anti-theft system. This is typically done by a dealer, or locksmith with computers. It is possible to reprogramme certain fobs and keys yourself however it is not recommended until you are an experienced technician for automotive. This is because a wrongly programed key could cause the vehicle to fail to start, run, or even be completely destroyed. Most auto manufacturers have a very specific procedure to program these kinds of keys. It is recommended that if you plan to offer key programming as a part of your service you acquire an LSID. This credential allows you access to a secure database of product information as well as key and immobilizer codes through the NASTF's Secure Data Release Model. This lets you quickly and easily program and test a new keys for customers. It also provides crucial documentation and support to help you with your day-to-day business operations. How do I program an electronic key? A key programmer is a piece equipment that allows you to reprogram your car's keys. It will read information from the microchip on your key, and add new information to the chip. This will allow you to use the key and will ensure it functions correctly. The procedure of programming a key can be a bit difficult and requires technical knowledge. Therefore, before you attempt to complete this task on your own, you should first consult an expert or locksmith for instructions. You can also buy an online key programmer and have it professionally programmed for a much lower price than what you would pay to have a dealership do the job for you. You should be aware that not all key programming products will work with your car. Before you purchase, you should check to make sure that the product is compatible with your vehicle. Most of the time, you will need to have your key fob reset by a dealer. The key fob needs to be reprogrammed in order to include the specific information needed for your car's anti-theft system. A dealer will typically require the VIN number for your car to do this, and will typically charge a fee to do this. You might be able to save this cost by giving the dealer a copy of your title that you can get through the DMV in all states. You can also change the programming of your key on some cars in the event that you already have a functioning key. This is known as the master key method and it can be applied to certain vehicles in order to program an additional key. If auto key programming G28 own an GM vehicle, for instance put your key in the ignition until the security light goes out. Once the security light goes out, you are able to remove the working key and insert the new one. You can also purchase a specially designed EEPROM key programmer which is a more expensive but more effective way to program a car key. However this is a more advanced technology that requires removing the car and reading the data from the microchip within the key. This type of programming should only be done by certified automotive technicians who have extensive experience in electronic repairs. What are the best options for programmers with a high level of expertise? There are many options available when it comes to key programmers. Some are purely for use, focusing only on the creation of new keys, while others provide a range of diagnostic and service functions that make them an all-in-one tool for mechanics' workshops. XTool is one such manufacturer offering a variety of key programmer tools that have been well-received by their customers. The products are affordable and have a focus on the customer which makes them easy to use. One of the most popular models they offer is the XTOOL Inplus IP616, rated as one of the best in its class. It features an easy-to-use interface and clear instructions to guide users through the process of programming. There are two ways to accomplish this: via vehicle or by type. The first is simpler and is more suitable for novices and home mechanics, whereas the second is more advanced and requires more experience. Another great option is the Autel MaxiIM IM608 Pro Auto Key Programmer. This device is a newer model that has more power and stability. It is equipped with an impressive IMMO feature as well as OEM-level diagnostics. This makes it perfect for automotive technicians who are professionals. This model is also able to bypass immobilizers on early Renault vehicles. It also comes with additional useful features, such as reading mechanical key codes or dealer tool security codes. Additionally, it can read CAN data from certain Peugeot and Citroen vehicles and has an extremely long-lasting battery. Despite its impressive features, the XTOOL Inplus IP616 remains relatively affordable. It's available for less than $500, making it a great choice for any DIY or mechanic repairman. It comes with rechargeable batteries, a quick boot-up time and is compatible with both OBD CAN protocols. Autel XP400 Pro Auto Key Programmer is a more advanced version. It's an advanced IMMO device that has a number of options, including the ability to replicate Freescale 9S12MCUs. It also supports a wider range of vehicle manufacturers than the previous model and has an enhanced CAN bus communication engine that can work with the latest ECUs. Which key programmer is the best for me? It all boils down to the kind of work you perform and what you need from your key programmer. If you're an auto locksmith you may require an instrument that can program the widest variety of vehicles, such as the Smart Pro or Autel IM608 Pro. They can do everything from reading/writing on the key, to ECU programming, and even some advanced programming at the OE level. For mechanics that don't need the entire equipment, there are more basic alternatives such as the Xtool PAD3 tablet key programmer. It is specifically designed to program keys, but it also has advanced special functions, like oil service light resets, battery resets, EPB resets, and throttle body resets.