Using a Key Programmer
Modern key fobs do more than just function as keys. They communicate with the vehicle to get it started and open the rear hatch and more. To accomplish this they must be programmed to work together.
All automobile dealerships, auto makers and auto locksmiths can provide key programming. reprogramming car keys can do it yourself using the right equipment.
What is a key programer?
A key programmer is a tool used to change the transponder code in the key of a truck or car key or fob. This is required when the new fob or key needs to be programmed. This process is typically required when a fob or key is stolen or lost. The device essentially reprograms the digital signature of the chip inside the key to match that of the vehicle, and allows it to start.
Some vehicles come with electronic immobilizer systems that stop theft by stopping the engine from starting if it is not equipped with the correct key or fob. This is done by having the car's system examine to ensure that the key or fob has the right digital signature. The system will turn off in the event that it doesn't. This type of system is very effective in reducing car theft and was made mandatory for many models of car by the manufacturer.
Most anti-theft systems are controlled by a module that is installed in the vehicle's engine or instrument cluster or ignition lock. In some cases, these modules need special keys that are programmed by experts to function with the antitheft system. This is usually done by a dealer, or locksmith with computer.
It is possible to reprogram certain fobs and keys yourself, but it is not recommended until you're an experienced automotive technician. The reason is that a poorly programmed key could cause the vehicle to start, run or be destroyed. The majority of automakers have a very precise procedure to program keys.
It is recommended that if you want to offer key programming as part of your service offerings, you obtain an LSID. This credential allows you access to a secure database of information about the product and keys and immobilizer codes via the NASTF's Secure Data Release Model. This access allows you to swiftly and easily program and test a new key for customers. It also provides essential documentation and support to assist you in your daily business operations.
How do I program a key?
Key programmer devices can be used to reprogram the keys of your car. It reads the data from the microchip that is in your key, and then write new information to the chip. This will allow you use the key and ensure that it works properly. The process of using a programmer can be a bit difficult and requires technical knowledge. Before you attempt to make this yourself, consult a professional locksmith or professional for guidance.
You can also buy an online key programmer and get it professionally programmed for a much lower price than the cost to have a dealership do the work. Be aware that not all key programmer models will be compatible with your car and you should make sure to check the compatibility of the product with the model of your car prior to purchasing.
Dealers typically need to reprogram your key fob. The key fob needs to be reprogrammed in order to include the specific information needed for your car's anti theft system. Dealers typically require the VIN number of your vehicle to do this, and they charge fees. You can save money by giving your dealer a copy which you will be capable of obtaining from the DMV of the majority of states.
For some cars you may also be able to reprogram your own key if you already have a working key that works on your vehicle. This is known as master key method and it is a method to program a second key on some vehicles. If you have a GM vehicle, for instance put your key in the ignition until the security light goes out. Once that happens then you can remove your working key and then insert the new one to program it.
You can also buy an exclusive EEPROM Key Programmer. This is more expensive, but more efficient method of programming a car key. This is a more advanced technology, which requires you to disassemble the car and read the data from the chip in the key. This type of programming is best suited to professional automotive technicians who have years of experience in electronic repair.
What are the best key programmer options?
There are many options available when it comes to key programmers. Some are single-purpose, focused solely on generating new keys, whereas others include a wide range of diagnostic and service functions, making them a complete tool for the mechanic's workshop. XTool, a manufacturer of key programming products which are highly rated by customers is among these companies. Their products are reasonably priced and have a focus on the customer making them simple to use.
One of their most well-known models is the XTOOL Inplus IP616, which has been rated as one of the best in its class. It has a user-friendly interface with super clear instructions that guide users through the process of programming. There are two ways to accomplish this: by vehicle or by typing. The first is easier and is more suited to home mechanics and beginners while the latter is more advanced and requires a little more knowledge.
Another option that is worth considering is the Autel MaxiIM IM608 PRO Auto Key Programmer. This device is a major upgrade to the previous model, offering greater power and stability. It has a powerful IMMO function and OE-level full system diagnostics, which makes it ideal for professionals in the field of automotive mechanics.
This model also has the capability to bypass immobilizers that were installed on earlier Renault vehicles. It has a range of other useful functions, including reading mechanical key codes as well as dealer tool security codes. It also can read CAN data from certain Peugeot and Citroen automobiles, and comes with a long-lasting battery that can be recharged.
Despite its impressive capabilities, the XTOOL Inplus IP616 is still relatively affordable. It is available for under $500 which makes it a good option for any mechanic. It comes with an rechargeable battery, a quick boot-up time and supports both OBD CAN protocols.
Autel XP400 Pro Auto Key Programmer is a more advanced version. It's an advanced IMMO tool that comes with several additional features, such as the ability to clone Freescale 9S12 MCUs. It also supports a wider range of vehicle manufacturers than the previous model, and features an enhanced CAN bus communication engine that is compatible with the latest ECUs.
Which key programmer is the best for me?
It all boils down to the kind of work you perform and what you need from your key programmer. If you're an auto locksmith, then you might need a key programer that can be used on an array of vehicles. For example the Smart Pro or Autel IM608 Pro. They're made to do everything from reading and writing on the key to ECU programming and some OE level programming.
There are alternatives for mechanics that don't need the whole rig. One of them is the Xtool Pad3 tablet key programmer. It's designed to do key programming, but also provides advanced functions like oil service light reset as well as EPB reset, battery reset and throttle body reset.