Using a Key Programmer

Modern key fobs do more than just act as keys. They communicate with the vehicle to start it up and open the rear hatch and more. To do so, they need to be programmed to work in conjunction.

All automobile dealerships, auto makers and auto locksmiths can provide key programming. You can also do it yourself, if you have the right tools.

What is a key programer?

A key programmer is a tool used to change the transponder code in the car or truck key or fob. This procedure is needed when a new key or fob has to be programmed. This process is often required when a fob or key is lost or stolen. The device basically reprograms digital signature of the chip inside the key to match the signature of the vehicle and enable it to begin.

Certain vehicles come with electronic immobilizers which prevent theft by stopping the engine from being started without the proper key. The system checks to see whether the fob or key is digitally signed. If it does not it will shut down. This type of system is very 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, instrument panel, or ignition lock. In some cases, these modules need special keys that have been designed by experts to work with the antitheft system. This is usually carried out by a dealer or locksmith via a computer.

It is possible to reprogram certain keys and fobs by yourself, but it is not recommended until you are an experienced technician in the field. This is because the wrong programmed key can cause the vehicle to run, not start or be destroyed. The majority of auto manufacturers have a precise process to program these keys.

It is advised that if you intend to offer key programming as part of your service, you obtain an LSID. This credential gives you access to a database of immobilizer and key codes, as well as product information. This access permits you to create and test new keys for customers quickly and effortlessly. It also provides essential documentation and support that can assist you in your daily business operations.

How do I program an electronic key?

A key programmer is a piece of equipment that can help you reprogram your car's keys. It will read the information from the microchip that is in your key and then write new information to the chip. This allows you to use the key and ensure that it is functioning correctly. However, visit the website of using a key programming device can be somewhat complicated and requires some technical know-how to use. So, before you try to do this on your own it is recommended to first consult an expert or locksmith for guidance.

You can also purchase a key programmer and have it professionally programmed at a lower cost than what you would have to pay a dealership to complete the task for you. It is important to know that not all key programmer products will work with your car. Before making a purchase you must determine if the item is compatible with your model.

Dealers usually have to reprogram your key fob. The key fob must be reprogrammed to include the specific information needed for your car's anti-theft system. Dealers will usually need the VIN number of the car to do this, and they will charge a fee. You might be able to save this cost by giving the dealer a copy of your title, which you can obtain through the DMV in the majority of states.

For certain vehicles you can also try to reprogram your own key if you have another working key that is compatible with your car. This method is called the master key method, and it can be applied to some vehicles to program a secondary key. For instance, if you are driving a GM vehicle, simply insert your working key into the ignition and turn it on until the security light turns off. Once this happens you can take out your working key and then insert the new one to program it.

You can also purchase an exclusive EEPROM Key Programmer. This is more expensive but more effective method of programming a car key. However this is a more advanced technology that requires taking the car apart and reading the information from the microchip in the key. This type of programming should only be carried out by professional automotive technicians with years of experience in electronic repairs.

What are the most effective options for the most experienced programmers?

There are a myriad of options when it comes key programmers. Some key programmers are designed for a single purpose, such as generating new keys. Others have diagnostic and service features to make them a multi-purpose tool in the mechanic's shop. XTool is a producer of key programming products that are well-received by customers is among these companies. Their products are easy to use and affordable, with a customer-focused focus.

One of their most popular models is the XTOOL Inplus IP616, which has been rated among the top in its class. It offers a simple, user-friendly interface and super clear instructions that help users through the process of programming a new key. It has two methods for doing so: By vehicle or by type. The first is easier and more suitable for beginner mechanics and those who are at home while the second is more advanced and requires some knowledge.

Autel MaxiIM IM608PRO Auto Key Programmer is another excellent alternative. It is a more recent model that provides more power and stability. It has a powerful IMMO function and full system diagnostics at OE-level which makes it ideal for professional automotive technicians.

This model is also able to bypass immobilizers that were used in earlier Renault vehicles. It also has other useful functions, such as reading mechanical key codes and dealer tool security codes. It can also read CAN data from some Peugeot and Citroen cars, and has an extremely long-lasting, rechargeable battery.


Despite its impressive features, the XTOOL Inplus IP616 remains relatively affordable. It is available for under $500 making it an excellent choice for any mechanic. The device is equipped with a rechargeable battery and a fast boot-up time and is compatible with both OBD CAN protocols.

If you're looking for a more advanced option, you should consider the Autel XP400 Pro Auto Key Programmer. It's an advanced IMMO tool with several additional features, such as the ability to copy Freescale 9S12 MCUs. It also supports a greater range of vehicle manufacturers than the previous model and has an upgraded CAN bus communication engine that works with the latest ECUs.

What key programmer is best for me?

It all comes down to the type of work you perform and what you require from your key programmer. If you're an auto locksmith, you may require a key programmer that covers the widest range of vehicles, such as the Smart Pro or Autel IM608 Pro. They can do everything from writing or reading on the key as well as ECU programming, and even OE-level programming.

There are more affordable options for mechanics who do not require the entire equipment. One of these is the Xtool Pad3 tablet key programmer. It is designed to perform key programming, but it also has advanced special functions including oil service light reset as well as battery reset, EPB reset, and throttle body reset.