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What Are Car Key Programmers Car key programmers are devices that can replicate a transponder into 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 warning lights for tire pressure and many other functions These tools are mostly bidirectional OBD II devices which work with a variety of vehicles Some tools like the Autel MaxiIM IM608S II offer an automated and controlled Smart Mode that helps novices while skilled technicians can benefit from the Expert Mode The Basics The process of programming a car key allows you to recode a blank chip in a replacement key to ensure that it is compatible with the cars settings This allows the key to communicate and start the vehicle Although it is possible to accomplish this with a standard mechanical car key modern cars require a device known as a car key programmer These are typically standalone devices but are sometimes integrated into more sophisticated scanners When it comes to choosing the best car key programmer for your needs there are a few key factors that you must be aware of First consider your budget Car key programmers range in cost so it is important to find one that is within your budget Also be sure to research different models and read reviews prior to making a purchase You may also want to consult other locksmiths or automotive professionals for suggestions Another factor to consider is the ease of use It is crucial to choose a car key programming tool that is userfriendly Many are difficult and require a lengthy learning curve Look for a model with easytouse software and clear instructions that allow you to get up and running quickly Also take note of the variety of models that the car key programmer supports It is essential to locate a tool that covers an array of vehicles to to serve as a multipurpose solution for your automotive business It is essential to confirm that the car you are contemplating buying has this feature prior to buying a key programmer On the other hand certain automobiles have a feature referred to as OnBoard Programming which lets you create a brand new key by following a straightforward procedure This is not a foolproof method and youll need to have the keys and vehicle in front of you but it is a great way to save money when you need an expert service Method of EEPROM EEPROM stands for electrically erasable programmable memory EPROM It is a nonvolatile CMOS chip that is used to store data in computers and other electronic devices It is programmed to store individual bits of data which can be accessed via an address Each byte may be one or zero If a byte has been written to the chip it is activated The bits are converted into instructions when the byte is read When writing to an EPROM both the source and drain are grounded A high voltage channeled through the control gate tunnels through the silicon oxide and into the floating gate and causes electrons to flow through it and then become trapped This causes the gates content to change from a 0 a 1 If the voltage is removed the gate is uncharged and the contents of the EEPROM are erased EEPROMs can be used to store calibration coefficients of sensors bootloader configurations and the status of remote keyless systems components They can be utilized to maintain the state of the system between powerrelated transitions This is essential for ICs powered by batteries since a sudden loss of power can cause the chip to reset There are a variety of methods to reprogram an EEPROM but most of them require that the car be in a specific condition at the time of It could be necessary for example to disconnect the battery and ECU or to remove the chip and then solder it to the test board Then the contents of the EEPROM can be read by an EEPROM reader and copied to a different chip This can be a lengthy process and it can be difficult to find the correct data Most people choose to have their cars reprogrammed professionally instead of doing it at home Find a reputable auto locksmith with sophisticated tools who understands what they do This ensures that the key is properly programmed and will work inside the vehicle Its important to ensure that the locksmith uses genuine parts to avoid issues down the road Onboard Programming A car key programmer is a handheld device that is used to program new remote keys or fobs They are used in the field by locksmiths who are professionals to increase their efficiency or by DIY customers to save money There are three kinds of car key programmers onboard EEPROM and OBD2 Each has its own advantages and drawbacks Onboard programming is usually the fastest whereas OBD2 and EEPROM methods can take longer Onboard programming is generally safe as long as the correct procedures and methods are followed In most instances the fob or key will require programming to communicate with the vehicle before it can be used to start the engine Many newer cars come with improved transponders on their electronic keys which require a special programmer to work effectively A professional can accomplish this fast sometimes in as little as one minute Connecting programming car key to an OBD2 port can speed up longerlasting procedures Certain vehicles may require EEPROM programming which can take a number of days Therefore the majority of these jobs should be left to experts who have access to specialist tools and a good working understanding of car security systems You may be required to add the capability to program car keys into your toolkit in three different situations A customer may want an extra key Then you may need to program the new fob or key after replacing one that was lost Thirdly you may need to conduct a nostart diagnostic on a vehicle that doesnt start with a particular key You can also boost your earnings by adding the programming of car keys to your shop The typical customer will pay between 50 and 75 on this service based on the make and model of the car and whether it is done by a dealer or a professional With the right training and understanding you can become an expert car key programmer You will start earning more money The money you earn can be used to upgrade your equipment and improve your business DIY Method If youve lost your car keys it could be a frustrating experience You might be able to get your key replaced at a dealership or by an locksmith for your vehicle however it could take an extended time In the majority of cases the transponder chip in the key has to be reprogrammed and requires a certain amount of expertise and knowledge Its important that you weigh the pros and con of DIY car key reprogramming before attempting to do it yourself It may seem simple but it can be difficult to do correctly and could cause serious damage to the system if not done properly It is best to seek the advice of a professional before attempting DIY key programming There are a variety of ways you can program a new key to your vehicle OnBoard Key Programming is just one method This method involves putting the new key in the ignition and then turning it on Once the key is in you must wait for a couple of seconds before switching it off This is because the system resets commands after a certain amount of time You will need a car key programmer to perform this process You should select an application that is compatible with the model of your car Follow the directions in the users manual to set up and use the device In addition you need to be aware that every vehicle has its own programming protocol so its important to follow the right steps There are many car key programmers available on the market They can help you save both time and money while driving For instance the Autel MaxiIM I608 PRO is a great choice for shops looking to program replacement keys and restore immobilizer data This unit also has an excellent customer support team which means you can count on them to assist you with any problems that might arise This is a great option for auto locksmiths who are just beginning their careers It could also be used as a backup in case your primary car key programmer is damaged or lost