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What Are Car Key Programmers Car key programmers are devices that clone a transponder in the memory of a vehicle These are useful for replacing keys that are stolen or lost They can also be used to reset oil service lights and tire pressure warning lights and many more functions The majority of these devices are bidirectional OBD II devices that work with a wide range of vehicles Some like the Autel MaxiIM IM608S II provide an automated and supervised Smart Mode that aids novices while experienced technicians can use Expert Mode The Basics Car key programming is a method that lets you recode the blank chip inside the replacement key so that it matches the current setting of your vehicle This allows the key to communicate with the vehicle and also ensures that the key is capable of starting and running the engine It is possible to do so using a mechanical car key However modern vehicles require an instrument known ascarkey programmer or carkey programmer These devices are usually standalone but they can also be integrated into scan tools that are more complex There are a few aspects to consider when choosing the right car key programming device First consider your budget Car key programmers range in price so it is important to find one that is within your budget Also be sure to study various models and read reviews prior to making the purchase You may also want to seek out other locksmiths or professionals for suggestions Another thing to consider is the ease of use A lot of car key programmers are complex and come with the possibility of learning curves therefore it is essential to choose one that is userfriendly Look for a program with clear instructions and intuitive software that can help you start quickly Take into consideration the range of models the key programmer can support It is crucial to locate a tool that covers an array of vehicles to function as a multipurpose tool for your business in the automotive sector It is important to check that the car you are considering has this feature before purchasing the key programmer On other hand certain cars have a feature known as OnBoard Programming that allows you to create a brand new key by following a straightforward procedure This is not a foolproof method but you will still require the vehicle and keys The EEPROM Method EEPROM is an acronym for electrically erasable programmed memory EPROM It is a permanent CMOS memory chip that is utilized in computers and some other electronic devices to store information It can be programmed to store individual bits of data that are accessed with an address Each byte can be either a 1 or one of the numbers When a byte is written to the chip it is activated and when it is read the bits are decoded to give instructions When writing data into 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 and causes electrons to flow through it and become trapped This causes the gate to change its contents from 0 to 1 If programming car keys is removed the gate is uncharged and the contents of the EEPROM 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 state between power transitions This is important for ICs powered by batteries because a sudden loss in power can cause the chip to reset There are a variety of ways to reprogram an EEPROM but most of them require that the car be in a particular condition at the time of It may be necessary for instance to disconnect the ECU and battery or to remove the chip and place it on an test board Then the contents of the EEPROM can be read using an EEPROM reader and copied to another chip It can be a lengthy process and it is difficult to find the right information The majority of people prefer having their cars reprogrammed by experts instead of doing it at home Find a reputable auto locksmith with advanced tools who knows what they are doing This ensures that the key is properly programmed and will work in the vehicle To avoid future problems its recommended that the locksmith use genuine parts Onboard Programming A car key programmer is a handheld device used to program new remote keys or fobs They can be used in the field by locksmiths who are professionals to improve their efficiency or by DIY customers to save money Car key programmers are available in three varieties including onboard OBD2 and EEPROM Each comes with its own advantages and drawbacks Onboard programming is the quickest method however OBD2 or EEPROM can take longer Onboard programming is fairly secure as long as correct procedures and methods are followed In most cases the key or fob must be programmed to communicate with the vehicle 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 specific programer to work properly A professional can complete this quickly often in less than one minute Connecting the device to an OBD2 port can speed up a longer procedure Certain cars might require EEPROM programming which could take a number of days For this reason most of these jobs should be delegated to experts with access to specialized tools and a good working understanding of car security systems You may need to add the capability to program car keys to your toolkit in three different situations A customer might request an additional key You might need to program a key or fob that you have replaced after the loss of a key Thirdly you may need to do some nostart diagnostics on a car that wont start if you use a specific key You can also boost your revenue by adding car key programming to your shop The typical customer will spend between 50 and 75 for this service based on the make and model of the car and whether its done by a dealer or a professional With the right knowledge and a little training you can become a successful car key programmer and start making more money This money can be used to upgrade your equipment and improve your business DIY Method If youve lost your car keys it can be a stressful experience You might be able to replace your keys at a dealership or through an automotive locksmith however this could take an extended time In the majority of cases a transponder chip inside the key needs to be programmed and requires a certain level of expertise and knowledge It is therefore important to consider the pros and cons of reprogramming your car keys yourself before attempting the task yourself While this process may seem simple it can be extremely difficult to carry out and could cause major damage to the cars system if not done correctly It is best to seek the advice of an expert before trying DIY key programming There are several ways that you can program a new key to your vehicle One method is known as OnBoard Key Programming This process involves placing the new key inside the ignition and then turning it on Once the key is in you need to wait for a couple of seconds before switching it off The reason is that the system resets its commands after a certain period of time You will need an auto key programer to complete this procedure Youll need to select the right tool that is compatible with your vehicle model Follow the directions in the users guide to install and use the device In addition you must be aware that every vehicle comes with its own unique programming protocol so its important to follow the correct steps Fortunately there are many top car key programming tools on the market to help you save money and stay safe while you drive For instance the Autel MaxiIM IM608 PRO is a great choice for shops looking to program replacement keys and restore immobilizer data You can also count on Autels excellent customer service team to help you with any problems that might arise This is a good option for beginner auto locksmiths and can also be used as a backup option in the event you lose or break the key that you use to program your car