Modern key fobs are more than simply function as keys. They communicate with the vehicle to turn it on, open the rear hatch and more. To accomplish this, they need to be programmed.
All car dealerships, auto manufacturers and auto locksmiths can provide key programming. You can do it yourself using the right tools.
What is a key programmer?
A key programmer is a tool used to reprogram the transponder on the key of a truck or car key or fob. This is required when a new key or fob needs to be programmed. It is also necessary in the event that an existing fob or key is stolen or lost. The device reprograms the chip within the key to match the digital signature of the vehicle and allows it to start.
Some vehicles come with electronic immobilizer systems that prevent theft by preventing the engine from starting if it is not equipped with the correct key or fob. This is done by having the car's system verify that the key or fob has the right digital signature. The system will shut down when it isn't. This kind of system has been proven to be effective in reducing the incidence of theft and was made mandatory for various models of vehicles by the manufacturer.
These anti-theft systems can be controlled by a module installed in the vehicles engine, instrument panel, or ignition lock. In some instances the modules require specific keys that have been specifically programmed by a professional to function with the anti-theft system. This is usually performed by a dealership or locksmith using the use of a computer.
Although it is possible to reprogramme certain fobs and keys at home however, it is not recommended unless you are a highly skilled automotive technician. A key that is not properly programmed could cause the vehicle to not start, or not to run or even break. The majority of automakers have a specific procedure to program keys.
It is recommended that if you plan to offer key programming as a part of your service offering you get an LSID. This credential grants you access to a database of immobilizer and key codes, as well as details about the product. This access permits you to create and test new keys for customers quickly and easily. In addition, it also gives you important support and documentation that will aid you in your day-today business operations.
How do I program an electronic key?
A key programmer is an equipment that allows you to reprogram your car's keys. It reads the information from the microchip in your key, and then write new data to the chip. This will allow you use the key, and make sure that it is functioning properly. The process of using a programmer can be a bit difficult and requires technical expertise. Therefore, before attempting to accomplish this by yourself it is recommended to first consult an expert or locksmith for instructions.
You can also buy a key programmer online and have it professionally programmed at a much lower price than the cost to have a dealer do the job for you. But, remember that not all key programmers will be compatible with your car and you must confirm the product's compatibility with your model of car prior to purchasing.
Dealers will usually need to reprogramme your key fob. The key fob needs to be reprogrammed to include the specific information needed for the anti-theft system of your vehicle. Dealers typically require the VIN number of your vehicle to accomplish this, and they will charge fees. You could be able reduce the cost by providing the dealer a copy of your title, which you can obtain through the DMV in most states.
You can also reprogramme your car's key when you already have a working key. This is referred to as master key method, and can be used to program a different key on some vehicles. For example, if you own a GM vehicle, you can insert your working key into the ignition and turn it on until the security light turns off. Once that happens you can take out your working key, and then insert the new one to program it.
You can also purchase an specialized EEPROM Key Programmer. This is more expensive but more effective method of programming a car key. However this is a more advanced technology that requires removing the car and reading the information from the microchip within the key. This kind of programming is best suited to skilled automotive technicians with years of experience in electronic repair.
What are the best choices for a key programmer?
There are a myriad of options in the field of key programmers. Some are purely for use, focusing only on the creation of new keys, whereas others provide a range of diagnostic and service functions that make them an all-in-one tool for a mechanic's workshop. XTool is a producer of key programming products that are well-received by customers is one of these manufacturers. Their products are affordable and feature a customer-focused approach which makes them easy to use.
One of the most popular models in their range is the XTOOL Inplus IP616, rated as one of the best in its class. It has an intuitive user interface and super clear instructions to guide users through the process of programming. It has two methods of doing so: By vehicle or by type. The first is easier and more suitable for beginners and home mechanics, whereas the second one is more complex and requires more expertise.
Another option that is worth considering is the Autel MaxiIM IM608 Pro Auto Key Programmer. It is a more recent model that provides more stability and power. It comes with an impressive IMMO feature as well as the ability to perform diagnostics at the level of OE. This makes it ideal for automotive technicians who are professionals.
This model is also able to bypass immobilizers on early Renault vehicles. It also comes with additional useful features, including reading mechanical key codes, or dealer tool security codes. In addition, it can read CAN data on some Peugeot and Citroen vehicles and also has an extremely long-lasting battery.
Despite its impressive features, the XTOOL Inplus IP616 remains relatively affordable. It's priced at less than $500 which makes it a good choice for any mechanic. The device comes with rechargeable batteries and a fast boot-up time and supports both OBD CAN protocols.
Autel XP400 Pro Auto Key Programmer is a more sophisticated option. This device is an advanced IMMO tool that comes with a number of additional options, including the ability to copy Freescale 9S12 MCUs. It also supports a wider variety of vehicle manufacturers than the previous model and comes with an enhanced CAN bus communication engine that works with the latest ECUs.
What key programmer is best for me?
It all boils down to the kind of work you do and what you want from your key programmer. If you are an auto locksmith, then you might require an instrument that can program a wide range of vehicles. For example the Smart Pro or Autel IM608 Pro. They can perform everything from reading/writing on a key, to ECU coding, and some basic programming for OE.
For mechanics who don't require the full-on equipment, there are more basic alternatives like the Xtool PAD3 tablet key programmer. It is designed to perform key programming, but also provides advanced special functions, including oil service light reset as well as battery reset, EPB reset and throttle body reset.
