Using a Key Programmer

Modern key fobs are more than just act as keys. They communicate with the vehicle to get it started, open the rear hatch, and more. To accomplish this, they need to be programmed to work in conjunction.

Car dealerships, your automobile manufacturer, and auto locksmiths can provide key programming services. However, you can also do it yourself if you have the proper equipment.

What is a key programmer?

A key programmer is a tool used to change the transponder code in a car or truck fob or key. This is required when a new key or fob has to be programmed. This is usually required when a fob or a key is stolen or lost. The device reprograms the chip in the key to match the digital signature of the vehicle, allowing it to start.

Certain cars are equipped with electronic immobilizers that stop theft by preventing the engine from being started without the right key. This is done by having the system examine to ensure that the fob or key has the correct digital signature. If it does not then the system will shut down. This type of system is very effective in reducing theft of automobiles, and was made mandatory for a variety of models of cars by the manufacturer.

These systems can be controlled by a module that is installed in the vehicle's engine instrument panel, instrument panel or ignition lock. In some instances the modules require special keys that are programmed by experts to work with the anti-theft system. This is usually done by a dealership or locksmith via a computer.

Although it is possible to reprogramme certain keys and fobs by yourself, it is not recommended unless you are a highly experienced automotive technician. A wrongly programmed key can cause the vehicle to not begin, stop running or even break. The majority of auto makers have a specific procedure to program these keys.

It is recommended that if you want to offer key programming as a part of your service offering you acquire an LSID. This credential gives 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 permits you to program and test new keys for customers quickly and effortlessly. It also provides crucial documentation and support to aid you in your daily business operations.

How do I program an electronic key?

Key programmer is an equipment that allows you to modify the keys in your car. It will read information from the microchip inside your key, and add new information to the chip. This will allow you to use the key and will ensure it functions properly. However the procedure of using a key programer can be a bit difficult and requires some technical knowledge to make use of. Before you attempt to do this yourself, seek out a locksmith professional for instructions.

You can also purchase an electronic key programer and get it professionally programmed online at a cheaper cost than the cost you would pay an auto dealer to do the work 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 vehicle.

Most of the time, you will require having your key fob reset 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 typically need to have the VIN number for your vehicle in order to do this and they typically charge a fee for it. You can save money by giving your dealer a copy, which you are able to obtain from the DMV of most states.

You can also change the programming of your car's key if you already have a functioning key. This is known as the master key method and it is applicable to certain vehicles in order to program the secondary key. For example, if you have a GM vehicle, you can insert your working key into the ignition and turn it on until the security light goes off. After that automotive key programming can take out the working key and insert the new one to program it.

You can also buy a specialized EEPROM key programmer which is a more expensive, but more efficient way to program a car key. This is an advanced technology which requires that you take apart the car and read the information from the chip inside the key. This type of programming should only be performed by professional automotive technicians with vast 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 purely for use, focusing exclusively on creating new keys, whereas others include a wide range of diagnostic and service functions to make them a complete tool for the mechanic's workshop. XTool is one such company offering a variety of key programming devices that are well-received from customers. Their products are affordable and feature a customer-focused approach making them easy to use.

One of their most popular models is the XTOOL Inplus IP616, which has been rated as one of the best in its category. It comes with an intuitive user interface and super clear instructions that guide users through the programming process. It has two methods for doing this: via vehicle or typing. The former is simpler and better suited to home mechanics and beginners while the latter is more advanced and requires a bit more knowledge.

Autel MaxiIM IM608PRO Auto Key Programmer is a great alternative. This device is a major upgrade to the previous model, offering increased power and stability. It comes with an IMMO feature that is powerful and OE-level diagnostics. This makes it ideal for automotive technicians who are professionals.


This model also has the ability to bypass immobilizers on early Renault vehicles. It also comes with other useful features, such as reading mechanical key codes or dealer tool security codes. It also reads CAN data from certain Peugeot and Citroen cars, and it comes with a long-lasting battery that can be recharged.

Despite its impressive features, the XTOOL Inplus IP616 remains relatively affordable. It's available for less than $500, making it a great 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 advanced version. This is a sophisticated IMMO device that comes with a number of features, including the ability clone Freescale 9S12MCUs. It is able to support a larger range than the previous model and comes with a CAN bus communication system that can be used with ECUs.

Which key programmer is right for me?

Ultimately, it comes to the type of work you perform and what you need from your key programmer. If you're an auto locksmith you may require an instrument that can program the widest variety of vehicles, such as the Smart Pro or Autel IM608 Pro. They can be used for everything from reading/writing on a key to ECU programming, and even some OE-level programming.

For mechanics who don't require the full equipment, there are more basic alternatives like the Xtool PAD3 tablet key programmer. It is designed to program keys, but it also comes with advanced features, including oil service light resets, battery resets, EPB resets, and throttle body resets.