Using a Key Programmer

Modern key fobs go beyond just keys; they communicate with a vehicle to start it, open the rear hatch, and so on. To accomplish this they must be programmed to work together.

Car dealerships, your automobile manufacturer, and auto locksmiths can all provide key programming services. You can do it yourself using the right equipment.

What is a key programmer?

A key programmer is used to reprogram the transponder on the fob or key of a car, truck or another vehicle. This procedure is needed when the new fob or key needs to be programmed. It is also necessary in cases where an existing key or fob has been stolen or lost. The device basically reprograms digital signature of the chip inside the key to match that of the vehicle and allow it to start.

Some vehicles are equipped with electronic immobilizers which prevent theft by preventing the engine from being started without the correct key. This is done by having the car's system examine to ensure that the fob or key has the right digital signature. If it doesn't, the system will shut down. This kind of system is effective in reducing car theft and was made mandatory for a variety of models of cars by the manufacturer.


These systems can be controlled by a module installed in the vehicle's engine compartment or instrument panel or ignition lock. In some instances the modules require specific keys that are specifically created by a professional to work with the anti-theft system. This is typically performed by a dealer or locksmith using computers.

While it is possible to reprogram some keys and fobs on your own, it is not recommended unless you're a highly skilled automotive technician. car key programming programmed key could cause the vehicle not to start, or not to run or even break. The majority of auto makers have a precise process to program keys.

It is recommended that if you want to offer key programming as a part of your service you get an LSID. This credential grants you access to a secure database of product information and immobilizer and key codes using the NASTF's Secure Data Release Model. This access lets you quickly and easily program and test new keys for customers. It also provides essential documentation and support that will assist you in your day-to-day business operations.

How do I program my key?

A key programmer is an equipment that will help you change the key codes in your car. It reads the information from the microchip inside your key and then write new data to the chip. This will allow you to use the key and ensure that it works effectively. The process of using a programmer can be a bit difficult and requires technical expertise. Before you attempt to do this yourself, you should consult a professional locksmith or professional for guidance.

You can also purchase a key programmer online and get it professionally programmed at a much lower price than the cost to have a dealership complete the work for you. It is important to know that not all key programming products will work with your car. Before you purchase, you should check to make sure that the product is compatible with your vehicle.

Most of the time, you will require your key fob reprogrammed by a dealer. The key fob must be reprogrammed so that it can include the specific information for your car's anti theft system. Dealers usually require the VIN number of the car to do this, and they will charge an amount. You can save money by giving your dealer a copy, which you will be capable of obtaining from the DMV of most states.

For certain vehicles you can also try to reprogram your key if you have another working key that works on your vehicle. This is referred to as master key method and it is a method to program a second key on certain vehicles. If you have a GM car, for example, insert your key into the ignition until the security light turns off. After the security light goes out, you are able to remove the working key and then insert the new one.

You can also buy an specialized EEPROM key programmer that is more expensive, but more efficient method of programming the car key. This is a more advanced technology, which requires that you remove the car from its frame and read the information from the chip in the key. This type of programming should only be performed by certified automotive technicians who have years of experience in electronic repairs.

What are the best choices for key programmers?

There are a myriad of options when it comes key programmers. Some are solely focused exclusively on creating new keys, whereas others provide a range of diagnostic and service functions to make them a comprehensive tool for the mechanic's workshop. XTool is a producer of key programmer products which are highly rated by customers is among these manufacturers. Their products are easy to use and inexpensive, with a customer-focused focus.

One of their most popular models is the XTOOL Inplus IP616, which has been rated as one of the best in its class. It has an intuitive user interface and super clear instructions that guide users through the programming process. It has two methods of doing so: 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 bit more understanding.

Autel MaxiIM IM608PRO Auto Key Programmer is a great alternative. This is a brand new model that provides more stability and power. It comes with an impressive IMMO feature as well as OEM-level diagnostics. This makes it ideal for professional automotive technicians.

This model also allows for bypassing immobilizers on early Renault vehicles. It also comes with additional useful features, such as reading mechanical key codes or dealer tool security codes. Additionally, it is able to read CAN data on some Peugeot and Citroen vehicles and also has a long-lasting battery.

Despite its incredible capabilities, the XTOOL Inplus IP616 is still quite affordable. It's priced at less than $500 making it an excellent choice for any mechanic. The device has a built-in rechargeable battery as well as a quick boot-up speed, and it supports both OBD and 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 duplicate Freescale 9S12 MCUs. It also supports a greater variety of vehicle manufacturers than the previous model and has an improved CAN bus communications engine that works with the latest ECUs.

What key programmer is best for me?

It all boils down to what kind of work you perform and what you expect from your key programmer. If you're an auto locksmith, then you might require a key programmer that covers the entire range of vehicles. For example 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 some advanced programming at the OE level.

For mechanics who don't need 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 functions like oil service light reset as well as battery reset, EPB reset, and throttle body reset.