Using a Key Programmer
Modern key fobs aren't just keys. They communicate with a vehicle to start it or open the rear hatch, and much more. To do this, they need to be programmed together.
All automobile dealerships, auto makers and auto locksmiths provide key programming. You can do it yourself with the right equipment.
What is a key programmer?
Key programmer is a tool used to change the transponder code in the car or truck fob or key. This process is necessary when the new fob or key needs to be programmed. It is also often necessary when an existing key or fob has been lost or stolen. The device essentially reprograms the digital signature of the chip inside the key to match that of the vehicle and allow it to begin.
Certain vehicles come with electronic immobilizer systems that prevent theft by preventing the engine from starting without the correct key or fob. The system checks if the key or fob is digitally signed. The system will turn off in the event that it doesn't. This type of system is very effective in reducing theft of automobiles, and has been made compulsory for various models of automobile by the manufacturer.
Most anti-theft systems are controlled by a module installed in the engine compartment or instrument cluster or ignition lock. In certain instances the modules require specific keys that have been specifically created by an expert to function with the anti-theft system. This is usually carried out by a dealer or locksmith via computers.
It is possible to reprogram certain fobs and keys yourself however it is not recommended until you're an experienced technician for automotive. This is because a wrongly programmed key could cause the vehicle to fail to run, not start or even be destroyed. Most auto manufacturers have a particular procedure for programming these types of keys.
It is recommended that if you want to offer key programming as a part of your service you get an LSID. This credential gives you access to an inventory of key and immobilizer codes, as well as product information. Having this access allows you to program and test new keys for customers quickly and quickly. It also provides crucial documentation and support that can aid you in your day-to-day business operations.
How do I program an electronic key?
A key programmer is an equipment that will help you modify the keys in your car. It reads information from the microchip in the key, and write new information onto the chip. This will allow you to use your key and will ensure it works correctly. The process of using a programmer can be a bit complicated and requires technical expertise. Therefore, before you attempt to do this by yourself it is recommended to first consult an expert or locksmith for directions.
You can also purchase a key programer and get it professionally programmed online at a lower cost than what you would have to pay an auto dealer to complete the task for you. Be aware that not all key programming products will work with your specific vehicle. Before making a purchase you must see if the product is compatible with your model.
Dealers will usually need to reprogramme your key fob. The key fob has to be reprogrammed to include the information specific to your car's anti-theft system. A dealer will typically require the VIN number of your car to do this and they usually charge a fee for it. You can save money by providing your dealer a copy of the VIN, which you'll be capable of obtaining from the DMV of most states.
For some cars you may also be able to program your own key if you already have a working key that works on your car. This is called a master key method and can be used to program a second key on some vehicles. If you have a GM car, for example you can insert your key into the ignition until the security light turns off. When the security light is out, you can remove the working key and then insert the new one.
You can also purchase a specialized EEPROM Key Programmer. This is more expensive but more effective method of programming a car key. This is the most advanced technology available, which requires that you remove the car from its frame and read the information from the chip inside the key. This kind of programming should only be performed by trained automotive technicians who have years of experience in electronic repairs.
What are the best choices for key programmers?
There are a variety of alternatives when it comes down to key programmers. Some key programmers are designed to serve a single function, like creating new keys. Others incorporate diagnostic and service features to make them a multi-purpose tool in the mechanic's shop. XTool is one such manufacturer offering a variety of key programmer devices that are well-received from customers. Their products are simple to use and cost-effective with a focus on customer service.
programming car key of their most well-known models is the XTOOL Inplus IP616, which has been rated among the top in its category. It offers an easy, user-friendly interface with super clear instructions that assist users in the procedure of programming a new key. There are two ways to accomplish this: via vehicle or by type. The first is simpler and is more suitable for novices and home mechanics, whereas the second is more advanced and requires more experience.
Another option to consider is the Autel MaxiIM IM608 PRO Auto Key Programmer. This device is a newer model that provides more stability and power. It comes with an extremely powerful IMMO function as well as fully-functional diagnostics for the OE level that make it a great choice for professional automotive technicians.

This model is also able to bypass immobilizers on early Renault vehicles. It also has other useful functions, including reading mechanical key codes and dealer tool security codes. It also reads CAN data from a variety of Peugeot and Citroen cars, and has a long-lasting, rechargeable battery.
Despite its impressive capabilities, the XTOOL Inplus IP616 is still quite affordable. It's priced at less than $500, making it a great choice for any mechanic. The device is equipped with an rechargeable battery, a quick boot-up time and is compatible with both OBD CAN protocols.
If you're looking for an even more sophisticated solution, look into the Autel XP400 Pro Auto Key Programmer. This is an advanced IMMO device that has several features, including the ability replicate Freescale 9S12MCUs. It is able to support a larger range than the previous model, and has an CAN bus communication system that can work with ECUs.
What key programmer is best for me?
It all comes down to what kind of work you do and what you expect from your key programmer. If you're an auto locksmith, you might need a key programmer that covers the largest range of vehicles, like the Smart Pro or Autel IM608 Pro. They can do everything from reading/writing on a key as well as ECU coding, and some OE-level programming.
There are alternatives for mechanics that don't require the whole equipment. One of these is the Xtool Pad3 tablet key programmer. It was designed for key programming, however it also has advanced special features, including oil service light resets, battery resets, EPB resets, and throttle body resets.