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What Are Car Key Programmers? Car key programmers are devices that can clone a transponder in the memory of a vehicle. programming car key are useful to replace keys that are stolen or lost. They can also be used to reset oil service lights and tire pressure warning lights and many other functions. Most 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 supervised “Smart Mode” that helps novice technicians, while more experienced technicians can use the Expert Mode. The Basics The process of programming a car keys allows you to change the code of the chip that is blank for a replacement key so that it matches the settings of your vehicle. This allows the key to communicate with and start the vehicle. It is possible to do this with a car key that is mechanical. However modern vehicles require an instrument known as a “car-key programmer”. These devices are usually standalone but can sometimes be integrated into more complicated scan tools. There are a few aspects to take into consideration when selecting the right car key programming device. First, consider your budget. Car key programmers vary in price, so it's important to find one that fits within your budget. Before you purchase make sure you research different models and read customer reviews. You may also want to seek out other locksmiths or professionals for recommendations. Another factor to take into consideration is the ease of use. It is important to select a user-friendly car key programmer. Many are difficult and require a steep learning curve. Look for a program with clear instructions and a user-friendly interface that will allow you to start quickly. Also, take note of the variety of models the key programmer can support. It is important to find a tool that covers an array of vehicles in order to be able to serve as a multi-purpose tool for your automotive business. Certain car manufacturers require only a certified dealer be able to create new keys. Therefore, it is important to make sure that the model you are looking at has this feature prior to buying a car key programmer. On other hand, certain automobiles have a feature referred to as “On-Board Programming” which lets you create a new key following a simple procedure. This is not a foolproof method, but you will still require the vehicle and key(s). Method of EEPROM EEPROM stands for electrically erasable programmable memory (EPROM). It is a non-volatile CMOS memory chip used in computers and some other electronic devices to store information. It can be programmed using individual bytes, which can be accessible using an address. Each byte can be either a 1 or a 0. When the byte is written on the chip, it is activated, and when it is read the bits are decoded to give instructions. When writing to an EPROM the source and drain are grounded. A high voltage that is channeled from the control gate travels through the silicon oxide and into the floating gate, causing electrons to flow through it and then become trapped. This causes the gate to change its contents from a 0 into a 1. If the voltage is removed from the gate, it becomes uncharged and the EEPROM contents are erased. EEPROMs are often used to store calibration coefficients for sensors, bootloader configurations and also the status of remote keyless system components. They can also be used to maintain the state of the system between power transitions. This is crucial for ICs powered by batteries as a sudden loss of power will cause the chip to reset. There are several methods to reprogram an EEPROM, but most of them require that the car be in a certain condition at the time of. It might be necessary, for instance, to disconnect the battery and ECU or to remove the chip and place it on the test board. The contents of the EEPROM chip could then be read with an EEPROM Reader and copied to another chip. This process can be time-consuming and can be difficult to find the correct data. Most people prefer to have their vehicles reprogrammed by professionals instead of doing it at home. It is recommended to hire a trusted auto locksmith who has access to the latest tools and understands what they're doing. This will ensure that the key is correctly programmed and will function inside the vehicle. It is important to make sure that the locksmith uses genuine parts to avoid any issues down the road. Onboard Programming A car key programmer is a hand-held device used to program new fobs or remotes. They are used in the field by professional locksmiths to increase their efficiency, or by DIY customers to save money. Car key programmers come in three varieties including onboard, OBD2 and EEPROM. Each has distinct advantages and disadvantages. Onboard programming is typically the most efficient, whereas OBD2 and EEPROM methods may take longer. Onboard programming is generally secure as long as correct procedures and methods are followed. In most cases, a key or fob must be programmed in order to communicate with the car before it can be used to control the engine. The electronic keys that are found in many modern cars come with upgraded transponders that require a special programmer to work properly. A professional can complete this fast, often in as little as one minute. Connecting the device to an OBD2 port can help with a longer procedure. Some vehicles may require EEPROM programming procedures which can take a few days. This is why the majority of these tasks are best done by professionals with access to specialized tools, and who have an understanding of the car's safety systems. You might need to include the ability to program car keys into your toolkit in three distinct situations: First, a customer might want an extra key. You might need to program a fob or key that you have replaced after a lost key. Thirdly, you may need to do some no-start diagnostics on a car that won't start if you use a specific key. You can also boost your earnings by adding car key programming to your shop. A typical customer can pay about $50-$75 for the service, depending on the model and make of their vehicle, and whether they are able to get it done at the dealership or with a professional. With the right knowledge and some instruction, you can become a successful car key programmer and earn more money. This money can be used to upgrade your equipment and enhance your business. DIY Method If you've lost your car keys, it could be a stressful experience. Depending on the situation you might be able to have your key replaced by an automotive locksmith or dealer, but it can take a long time. In the majority of instances, a transponder chips needs to be reprogrammed on the key. This requires knowledge and expertise. It is important to weigh the pros and con of reprogramming your car keys yourself before you attempt to do it yourself. The process may seem straightforward but it's difficult to execute correctly and can cause significant system damage if not performed correctly. It is recommended to consult an expert before undertaking DIY key programming. There are several ways that you can program a new key to your vehicle. On-Board Key Programming is a method. This involves inserting the new key into the ignition and turning it ON. Once the key is in, you need to wait for a few minutes before turning it off. The reason for this is that the system resets its settings after a certain period of time. To perform this process it is necessary to use a specific tool called a car key programmer. You must choose the program that is compatible with the model of your vehicle. Once you've identified a compatible device, follow the steps on the user manual to properly set up and use the device. It is important to understand that every vehicle uses a different programming protocol. It is important to follow the right steps. There are a lot of top car key programming tools on the market that can help you save money while remaining safe while you drive. Autel MaxiIM IM608PRO is an excellent choice for shops who want to program a replacement key and restore immobilizer information. This unit also has an excellent support team for customers, so you can count on them to assist you with any problems that might arise. This is an excellent option for beginners in the field of auto locksmiths and can be used as a backup plan in the event that you lose or break the key that you use to program your car.