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What Are Car Key Programmers? Car key programmers are devices that duplicate a transponder within the memory of a vehicle. These are useful for replacing keys that are stolen or lost. They can also be used to reset the oil service light, tire pressure warning lights and many other functions. reprogram car key of these tools are bidirectional OBD II devices that work with a variety of vehicles. Some tools, such as the Autel MaxiIM IM608S II offer an automated and guided “Smart Mode” that helps novices, while skilled technicians can utilize the Expert Mode. The Basics Car key programming is a process which allows you to change the blank chip in your replacement key to ensure it matches the current setting of your vehicle. This allows the key to communicate with and start the vehicle. While it is possible to accomplish this using a regular mechanical car key, modern cars require a device known as a “car key programmer.” These are usually separate devices, but can be integrated into more complex scanners. There are a few aspects to take into consideration when selecting the right car key programming device. First, consider your budget. The price of car key programmers may differ, so it's crucial to select one that is within your budget. Before purchasing do some research on different models and read customer reviews. You may also want to seek suggestions from other locksmiths and auto experts. Another aspect to consider is the ease of the use. A lot of car key programmers are complex and come with a learning curve and it is crucial to choose one that is user-friendly. Find a program that comes with clear instructions and intuitive software that can help you get started quickly. Finally, consider the variety of models that the key programmers support. It is essential to locate an instrument that supports an array of vehicles to function as a multipurpose solution for your automotive business. It is essential to confirm that the car you are considering has this feature before purchasing key programming. Certain models have “On-Board Programming” which allows you to make a new car key following a straightforward process. This is not a foolproof method and you still need the vehicle and key(s). EEPROM Method EEPROM is the abbreviation for electrically eraseable programmable memory (EPROM). It is a permanent CMOS memory chip that is used in computers as well as other electronic devices to store data. It can be programmed to store individual bytes that are accessed with an address. Each byte could be a 1 or a 0. If a byte has been written to the chip, it becomes active. The bits are decoded into instructions when the byte is read. When writing to an EPROM, the source and drain terminals are grounded. A high voltage channeled through the control gate travels through the silicon oxide to the floating gate, causing electrons to flow through it and get trapped. This causes the gate to change its content from a 0 into a 1. When the voltage is removed from the gate, it becomes uncharged and the EEPROM contents are erased. EEPROMs can be used to store the calibration coefficients of sensors, bootloader configurations, and the status of remote keyless system components. They can also be used to maintain state between power transitions. This is important for ICs powered by batteries, since a sudden loss of power will cause the chip to reset. There are a variety of methods to reprogram an EEPROM however the majority of them require that the car be in a certain state at the time. For instance, it might be necessary to disconnect the ECU from the battery or to take the EEPROM out and connect it to a test board. Then the contents of the EEPROM can be read by an EEPROM reader and transferred to a different chip. This can be a lengthy process, and it can be difficult to get the right data. Most people prefer to have their cars reprogrammed by experts rather than attempting this at home. It's best to find an auto locksmith that is reliable, has access to the latest tools and is aware of what they are doing. This will ensure that the key is correctly programmed and will work inside the vehicle. It is also a good idea to ensure that the locksmith is using genuine parts to avoid any issues later on. Onboard Programming A car key programmer is a handheld device that is used to program new remote keys, or fobs. Locksmiths can make use of these devices to boost their efficiency in the field, or DIY users can save money by using these devices. Car key programmers are available in three types that include onboard, OBD2 as well as EEPROM. Each has its own advantages and disadvantages. Onboard programming is the quickest method, but OBD2 and EEPROM can take longer. Onboard programming is also relatively secure, provided the correct procedures are adhered to. In the majority of cases the key or fob will require programming to communicate with the vehicle before it is able to start the engine. The electronic keys found in the majority of modern vehicles are equipped with improved transponders that require a special programer to work properly. A professional can complete this fast, sometimes in as little as an hour. Connecting the device to an OBD2 port can speed up a longer procedure. Some cars may require EEPROM programming, which can take several days. Therefore, the majority of these jobs should be left to professionals who have access to specialized tools and have a solid understanding of security systems for cars. You may need to include the ability to program car keys to your toolkit in three different scenarios: A customer may request an extra key. You may need to program a key or fob that you've replaced after losing a key. Third, you might need to conduct a no-start diagnostic on a car that won't start with a certain key. You can also boost your income by adding car key programming to your shop. The average customer will spend between $50 and $75 on this service, based on the make and model and whether it is done by a dealer or professional. With the right knowledge and a little training you can become a successful auto key programmer and begin earning more money. You can then use this cash to upgrade your tools and enhance your business. DIY Method It can be frustrating to lose your car keys. Depending on the situation, you may be able get your key replaced by an automotive locksmith or a dealership however, it could take a considerable amount of time. In the majority of cases, a transponder chip on the key must be reprogrammed that requires a certain amount of knowledge and skill. As such, it's important to evaluate the advantages and disadvantages of DIY car key reprogramming before attempting this task yourself. Although this procedure may appear simple, it can be extremely difficult to execute properly and could cause serious damage to the vehicle's system when not done correctly. It is recommended to consult a professional before attempting DIY key programming. There are a few ways to program a brand new car key. On-Board Key Programming is just one method. This involves inserting the new key into the ignition and turning it ON. Once the key is in place, you will need to wait for a couple of minutes before switching it off. The reason for this is that the system resets its commands after a certain amount of time. To complete this task it is necessary to use a special tool known as a car key programmer. You must choose an application that is compatible with the model of your vehicle. Once you've found an appropriate device, follow the directions in the user's manual to properly install and operate the tool. In addition, you must be aware that every vehicle has its own specific programming protocol, so it's important to follow the correct procedure. Fortunately, there are many excellent car key programmers available on the market to help you save money and stay safe while driving. Autel MaxiIM IM608PRO is a great option for shops that want to program a replacement key and also restore the immobilizer information. It also comes with an excellent customer service team and you can count on them to assist you with any problems that may arise. This is an excellent option for beginner auto locksmiths and can be used as a backup plan in the event that you have to replace or damage your primary car key programmer.