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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. They are useful to replace keys that have been stolen or lost. They can also be used to reset the oil service light as well as tire pressure warning lights and other functions. These are typically bidirectional OBD II devices, which work with a variety of vehicles. Certain tools, like the Autel MaxiIM IM608S II offer an automated and guided “Smart Mode” that helps novice technicians, while more experienced technicians can utilize the Expert Mode. The Basics The procedure of programming a car key lets you to reprogram the chip that is blank in a replacement key, to ensure that it is compatible with the car's settings. This allows the key to communicate with and start the vehicle. Although it is possible to do this using a regular mechanical car key, modern cars require a device known as a “car key programmer.” These are usually standalone devices, but they can also be integrated into more sophisticated scanners. When it comes to selecting the best car key programmer for your needs, there are few key factors that you must be aware of. First, consider your budget. The cost of car key programming devices can vary, which is why it's essential to find one within your budget. Before you purchase, 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 ease of the use. It is important to select an easy-to-use car key programer. Some are complicated and require a steep learning curve. Find a model that comes with simple software and clear instructions that will allow you to get started quickly. Take a look at the variety of models the car key programmers support. It is important to find the right tool that can support the entire range of cars to to serve as a multi-purpose tool for your automotive business. Some car manufacturers require that only a licensed dealer be capable of creating new keys, so it is essential to ensure that the model you are looking at has this capability prior to purchasing a key programmer. On the other hand, certain vehicles come with a feature known as “On-Board Programming” which allows you to create a new key by following a straightforward procedure. This isn't a 100% secure method and you still need the vehicle and key(s). The EEPROM Method EEPROM is an acronym for electrically erasable memory that is programmable (EPROM). It is a non-volatile CMOS chip that stores data in computers as well as other electronic devices. It can be programmed with individual bytes, which can be accessed using an address. Each byte is either 1 (or an 0). When the byte is written to the chip it becomes active and when it is read, the bits are decoded into instructions. When writing into an EPROM the drain and source are grounded. A high voltage from the control gate passes into the silicon oxide before it is able to reach the floating gate. This allows electrons to flow to it and then become trapped. The gate's contents to change from a 0 a 1. When the voltage is cut off, the gate becomes uncharged, and the contents of the EEPROM are erased. EEPROMs can be used to store calibration coefficients of sensors, bootloader configurations, and the statuses of remote keyless system components. They can also be used to preserve status between power changes. This is particularly important for ICs that are powered by battery, since a sudden power loss can cause the chip to reset. There are a couple of ways to reprogram an EEPROM. However, most of them require the vehicle to be in a specific state. It could be necessary, for example, to disconnect the ECU and battery or to remove the chip and then solder it to the test board. Then the contents of the EEPROM can be read with an EEPROM reader and copied to another chip. It can be a lengthy procedure, and it's difficult to get the right data. Most people prefer to have their vehicles reprogrammed by professionals instead of doing it at home. It's best to find an auto locksmith that is reliable, has access to sophisticated tools and knows what they're doing. This will ensure that the key works and is programmed correctly. It is also a good idea to make sure that the locksmith uses genuine parts to avoid any issues down the road. Onboard Programming A car key programmer is a handheld device used to program new fobs or remotes. They can be utilized in the field by locksmiths who are professionals to improve their efficiency or by DIY customers to save money. There are three kinds of car key programming devices that are onboard, EEPROM, and OBD2. Each has its own benefits and drawbacks. Onboard programming is the most efficient method, however OBD2 or EEPROM may take longer. Onboard programming is also relatively safe, as long as the correct procedures are followed. In most cases, a key or fob needs to be programmed to be able to communicate with the car before it can be used to start the engine. The electronic keys found in the majority of newer cars are equipped with upgraded transponders that require a special programer to work correctly. A professional can accomplish this fast, often within one minute. Certain cars might require an extended procedure to complete, which can be accomplished by connecting the device to the OBD2 port. Certain cars may even require EEPROM programming which can take a few days. This is why most of these tasks should be left to professionals with access to specialized tools, and who have a working knowledge of car safety systems. There are three scenarios in which you may need to add the ability to program car keys to your toolkit: First, a customer might need an additional key. Then, you may need to program a new key or fob after replacing one that was lost. Thirdly, you may need to conduct a no-start diagnostic on a car that won't start if you use a specific key. You could also increase your revenue by adding the programming of car keys to your shop. The average customer will spend between $50 and $75 for this service, based on the model and make, and whether it is done by a dealer or professional. With the right education and experience you can become a skilled car key programmer. You'll start making more money. You can then make use of the cash to upgrade your tools and improve your business. reprogramming car key If you've lost your car keys, it can be a stressful experience. You may be able get your keys replaced at a dealership or by an automotive locksmith however, this could take an extended time. In the majority of cases, a transponder chip has to be reprogrammed into the key. This requires knowledge and skills. It's important that you consider the pros and cons of doing it yourself car key reprogramming before you attempt to do it yourself. While this process may seem simple, it's extremely difficult to execute properly and could cause major damage to the vehicle's system If not done properly. It is recommended to consult a professional before attempting DIY key programming. There are a variety of ways to program a brand new car key. One method is called On-Board Key Programming. This method involves putting the new key into the ignition and turning it on. After inserting the new key, you must wait for a few seconds and then switch it off. This is because the system resets the commands after a certain amount of time. To complete this task you will require an instrument that is specifically designed for this purpose, known as a car key programmer. You'll need to select the right tool that is compatible with your vehicle model. Follow the instructions in the user's manual to install and use the device. You should also be aware that every vehicle has an individual programming protocol. It is important to follow the correct procedure. There are a variety of car key programming tools available on the market. They can help you save time and money while driving. For instance the Autel MaxiIM IM608 PRO is a great option for shops looking to program replacement keys and restore immobilizer information. It also comes with an excellent support team for customers and you can count on them to assist you with any issues that might arise. This is a great option for auto locksmiths who are just beginning their careers. It can also be used as a backup plan in the event that your primary car key programmer is damaged or lost.