Using a Key Programmer

Modern key fobs aren't simply keys; they can communicate with vehicles to start it and open the rear hatch, and more. To do this, they must be programmed together.

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

What is a key programmer?

Key programmer is a device that allows you to change the transponder code in the key of a truck or car fob or key. This process is necessary when a new key or fob has to be programmed. This process is typically required when a key or fob is stolen or lost. The device essentially reprograms the digital signature on the chip inside the key to match that of the vehicle and allow it to start.

Certain vehicles come with electronic immobilizers that protect against theft by preventing the engine from starting if it is not equipped with the correct key or fob. The system checks to determine if the key or fob is digitally signed. The system will shut off in the event that it doesn't. This type of system has been found to be effective in reducing automobile theft and has been made mandatory for various models of vehicles by the manufacturer.

These systems can be controlled by a module installed in the vehicle's engine compartment, instrument panel, or ignition lock. In certain instances the modules require specific keys that have been specifically programmed by professionals to function with the anti-theft system. This is typically done by a dealer, or locksmith with computer.

It is possible to reprogram certain keys and fobs yourself, but it is not recommended until you are an experienced technician for automotive. This is because the wrong programed key could cause the vehicle to run, not start or even be destroyed. The majority of automakers have a specific procedure to program these keys.

It is advised that if you intend to provide key programming as part of your service offering, you obtain an LSID. This credential allows you access to the database of immobilizer and key codes and information about the product. With this access, you are able to create and test new keys for customers quickly and easily. It also provides crucial documentation and support to help you with your daily business operations.

How do I program a key?

A key programmer can be used to reprogram the keys in your car. It reads the information from the microchip that is in your key and write new information to the chip. This will allow you to use the key, and ensure that it is functioning correctly. The process of using a programer isn't easy and requires technical knowledge. Therefore, before you attempt to complete this task on your own it is recommended to first consult a professional or a locksmith for instructions.

You can also buy a key programer online and get it professionally programmed for less than what you would pay to have a dealer do the job for you. But, remember that not all key programmers will work with your car and you should make sure to check the compatibility of the item with your vehicle's model before purchasing.

In most cases, you will need to have your key fob reprogrammed by a dealer. This is because the key fob needs to be reprogrammed with the specific information required by your vehicle's anti-theft system. Dealers typically require the VIN number of your vehicle to accomplish this, and they charge a fee. You may be able to save money by giving the dealer a copy of your title which is available through the DMV in all states.

For certain cars, you can also try to reprogram your key if you already have a working key that is compatible with your car. This is known as a master key method and it is a method to program a second key on certain vehicles. For instance, if you are driving an GM vehicle, you can insert your working key into the ignition and turn it on until the security light goes off. Once the security light goes out, you can remove the working key and replace it with the new one.

You can also purchase an specialized EEPROM Key Programmer. This is a more costly but more efficient method of programming a car key. This is an advanced technology which requires you to remove the car from its frame and read the information from the chip inside the key. This type of programming should only be carried out by professional automotive technicians with vast experience in electronic repairs.

What are the top choices for a key programmer?

There are a myriad of options when it comes to key programmers. Some key programmers are created for a single function, like creating new keys. Others have diagnostic and service features to make them a multi-purpose tool for the mechanic's shop. XTool is one such company offering a variety of key programmer tools that have been well-received by customers. Their products are easy to use and cost-effective, 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 has a simple, user-friendly interface with super clear instructions that help users through the process of programming a brand new key. It offers two ways of doing so: By vehicle or by type. The former is more straightforward and more suitable for novices and home mechanics while the latter is more sophisticated and requires a little more knowledge.


Another great option is the Autel MaxiIM IMM608 PRO Auto Key Programmer. This is a brand new model that offers increased performance and stability. It is equipped with a powerful IMMO feature and OE-level diagnostics. This makes it perfect for professional automotive technicians.

This model can also bypass immobilizers in early Renault vehicles. It has a range of other useful functions, including reading mechanical key codes as well as dealer tool security codes. It also reads CAN data from a variety of Peugeot and Citroen cars, and it comes with an extremely long-lasting, rechargeable battery.

Despite its impressive features, the XTOOL Inplus IP616 remains relatively affordable. It is available for less than $500, which makes it a fantastic option for any mechanic or DIY repairman. It comes with an rechargeable battery, a quick boot-up time and supports both OBD CAN protocols.

Autel XP400 Pro Auto Key Programmer is a more advanced version. This is an advanced IMMO device that has a number of features, including the capability to duplicate Freescale 9S12MCUs. It is able to support a larger range than the previous model and has an CAN bus communication system that works with ECUs.

Which key programmer is right for me?

Ultimately, it comes to the type of work you do and what you want from your key programmer. If read this article are an auto locksmith, then you might need a key programmer that covers a wide range of vehicles. For instance, the Smart Pro or Autel IM608 Pro. They're designed to perform everything from reading and writing on the key to ECU programming and some OE level programming.

For mechanics who don't need the full apparatus, there are less expensive alternatives like the Xtool PAD3 tablet key programmer. It was designed to program keys, but it also comes with advanced functions, such as oil service light resets, battery resets, EPB resets and throttle body resets.