Using a Key Programmer
Modern key fobs aren't simply keys; they can communicate with vehicles to start it or open the rear hatch, and much more. To accomplish this they must be programmed to work with each other.
Car dealerships, your vehicle manufacturer and auto locksmiths provide key programming services. You can do it yourself if you have the right tools.
What is a key-programmer?
A key programmer is used to recode the transponder in the fob or key of the vehicle, truck or other vehicle. This process is necessary when the new key or fob has to be programmed. This process is typically required when a fob or key is lost or stolen. The device basically reprograms digital signature on the chip inside the key to match the signature of the vehicle, and allows it to begin.
Certain vehicles come with electronic immobilizer systems that prevent theft by preventing the engine from running without the correct fob or key. This is accomplished by having the car's system examine to ensure that the fob or key has the right digital signature. If automotive key programming does not, the system will shut down. This type of system is very effective in reducing automobile theft, and was made mandatory for many models of car by the manufacturer.
Most of these anti-theft systems are controlled by a module installed in the vehicle's engine or instrument cluster or ignition lock. In some instances the modules require specific keys that are programmed by professionals to function with the anti-theft system. This is usually performed by a dealer or locksmith using computer.
It is possible to reprogramme certain keys and fobs by yourself but it isn't recommended until you are an experienced technician in the field. A wrongly programmed key can cause the vehicle to not start, or not to run or even to be destroyed. The majority of auto manufacturers have a specific procedure for programming keys.
If you are planning to include key programming in your service offerings It is recommended that you get an LSID (Locksmith Service ID). This credential gives you access to an inventory of immobilizer and key codes along with product information. This allows you to quickly and easily program and test a new key for customers. In addition, it also provides you with important assistance and documentation to aid you in your day-today business operations.

How do I program an electronic key?
Key programmer devices can be used to reprogram the keys in your car. It will read information from the microchip inside your key, and then add new information to the chip. This will permit you to use the key and will ensure it functions properly. The process of using a programmer isn't easy and requires technical expertise. Before you attempt to program the key yourself, you should consult a professional locksmith or professional for guidance.
You can purchase a key programer and have it professionally programmed online at a cost that is lower than the cost you would pay an auto shop to do the job for you. Be aware that not all key programmer models are compatible with your vehicle. You must confirm the compatibility of the product with the model of your car prior to purchasing.
Dealers usually have to reprogram your key fob. The key fob has to be reprogrammed in order to include the specific information needed for the anti-theft system of your vehicle. Dealers typically require the VIN number for your car to do this, and will typically charge a fee to do this. You can save money by giving your dealer a copy, which you'll be in a position to get from the DMV of most states.
For some cars you may also be able to reprogram your own key if you already have a working key that works with your vehicle. This is referred to as master key method, and can be used to program a different key for certain vehicles. For instance, if are driving a GM vehicle, you can insert your working key into the ignition and switch it on until the security light goes off. Once the security light has gone out, you can take off the working key and replace it with the new one.
You can also purchase a specialized EEPROM key programmer, which is a costlier but more effective way to program a car key. However programming car key is a more advanced technology that requires taking the car apart and reading the data from the microchip within the key. This type of programming should only be performed by professional automotive technicians with years of experience in electronic repairs.
What are the best options for key programmers?
There are a variety of options when it comes to key programmers. Some key programmers are designed for a specific use, like generating new keys. Others have diagnostic and service features to make them a multi-purpose tool that can be used in the mechanic's shop. XTool, a manufacturer of key programming tools that are well-received by customers is one of these companies. The products are affordable and are based on a customer-centric approach which makes them simple to use.
One of the most well-known models they offer is the XTOOL Inplus IP616, rated as the top model in its class. It comes with an easy, user-friendly interface with super clear instructions that help users through the procedure of programming a new key. There are two ways to do this: via vehicle or by type. The first is simpler and more suitable for beginners and home mechanics, while the second is more advanced and requires more expertise.
Autel MaxiIM IM608PRO Auto Key Programmer is another excellent alternative. It is a more recent model that has more power and stability. It has an impressive IMMO feature as well as OE-level diagnostics. This makes it ideal for professionals who work in the automotive industry.
This model is also able to bypass immobilizers in early Renault vehicles. It has a range of other functions that are useful, including reading mechanical key codes and dealer tool security codes. It also can read CAN data from some Peugeot and Citroen cars, and it comes with a long-lasting battery that can be recharged.
Despite its incredible capabilities, the XTOOL Inplus IP616 is still relatively affordable. It is available for under $500 making it an excellent option for any mechanic. The device comes with a rechargeable battery, as well as a quick start-up time, and is compatible with both OBD and CAN protocols.
Autel XP400 PRO Auto Key Programmer is a more advanced option. This is a sophisticated IMMO device that comes with a number of features, including the capability to replicate Freescale 9S12MCUs. It also supports a greater range of vehicle manufacturers than the previous model, and features an upgraded CAN bus communication engine that works with the most recent ECUs.
Which key programmer is best for me?
Ultimately, it comes down to the kind of work you perform and what you want from your key programmer. If you are an auto locksmith, then you might require an instrument that can program the entire range of vehicles. For instance the Smart Pro or Autel IM608 Pro. They can be used for everything from writing or reading on the key to ECU programming, and even OE-level programming.
For mechanics who don't need the full equipment, there are more basic options like the Xtool PAD3 tablet key programmer. It was designed for key programming, however it also has advanced special functions, like oil service light resets, battery resets EPB resets, and throttle body resets.