Using a Key Programmer
Modern key fobs do more than just act as keys. They communicate with the vehicle to start it up, open the rear hatch and more. To do so they must be programmed to work together.
All automotive dealerships, auto manufacturers, and auto locksmiths offer key programming. However, you can do it yourself if you have the right equipment.
What is a key programmer?
A key programmer is a device used to recode a transponder on the fob or key for a car truck or another vehicle. This process is necessary when a new fob or key needs to be programmed. It's also common when an existing fob or key is stolen or lost. The device reprograms the chip in the key to match the digital signature of the vehicle which allows it to begin.
Certain vehicles come with electronic immobilizers that stop theft by stopping the engine from being started without the right key. This is accomplished by having the car's security system verify that the key or fob has the correct digital signature. The system will turn off when it isn't. This type of system has been proved to be effective in reducing automotive theft and was made mandatory for various models of vehicles by the manufacturer.
Most anti-theft systems are controlled by a module installed in the engine compartment, instrument cluster, or ignition lock. In certain instances these systems require specific keys that have been programmed by professionals to function with the anti-theft system. This is typically done by a dealership or locksmith using computers.
It is possible to reprogram certain keys and fobs yourself however it is not recommended until you are an experienced technician in the field. This is because a wrongly programmed key can cause the vehicle to start, run, or even be completely destroyed. The majority of auto makers have a very precise procedure to program keys.
If you are planning to include key programming in your service offerings, it is recommended that you acquire an LSID (Locksmith Service ID). This credential gives you access to the database of key and immobilizer codes and details about the product. This access allows you to swiftly and easily program and test a new key for customers. In addition, it offers you assistance and documentation to aid you in your day-today business operations.
How do automotive key programming program a key?
Key programmer devices can be used to modify the keys of your car. It will read information from the microchip on your key, and then write new information to the chip. This will allow you to use the key and ensure that it is functioning properly. The procedure of programming a key isn't easy and requires technical knowledge. Therefore, before you attempt to complete this task on your own, you should first consult an expert or locksmith for guidance.
You can purchase a key programmer and get it professionally programmed online at a cheaper cost than what you would pay an auto dealer to complete the task for you. But, remember that not all key programmers will be compatible with your car and you must confirm the product's compatibility with your vehicle's model prior to purchasing.
Dealers will usually need to reprogramme your key fob. This is because the key fob needs to be reprogrammed with the specific data for your vehicle's anti-theft system. Dealers typically require the VIN number of your vehicle to accomplish this, and will charge fees. You can save money by giving your dealer a copy of the VIN, which you are capable of obtaining from the DMV of all states.
For certain cars you may also be able to program your own key if you already have a working key that works with your vehicle. This is called master key method and it can be used to program a different key for certain vehicles. If you own a GM car, for example you can insert your key into the ignition until the security light goes off. Once this happens you can take out your working key, and then insert the new one to program it.
You can also purchase a specialized EEPROM key programmer that is costlier but more effective method of programming car keys. However, this is a much more advanced technology that requires removing the car and reading the data from the microchip within the key. This type of programming should only be carried out by trained automotive technicians who have vast experience in electronic repairs.
What are the best options for key programmers?
There are a number of choices when it comes to key programmers. Some are single-purpose, focused exclusively on creating new keys, while others offer a variety of diagnostic and service functions to make them a complete tool for the mechanic's workshop. XTool is a producer of key programming tools that are well-received among customers, is one of these manufacturers. Their products are reasonably priced and are based on a customer-centric approach, making them easy to use.
One of the most popular models from their range is the XTOOL Inplus IP616, rated as one of the top in its class. It comes with a simple, user-friendly interface and extremely clear instructions that assist users in the process of programming a new key. It offers two ways of accomplishing this: by vehicle or typing. The first is easier and is more suitable for novices and home mechanics, whereas the second one is more complex and requires more knowledge.
Autel MaxiIM IM608PRO Auto Key Programmer is another excellent option. This is an upgrade of the previous model, and offers more power and stability. It comes with an extremely powerful IMMO function as well as fully-functional diagnostics for the OE level that make it a great choice for automotive technicians who are professionals.
This model is also able to bypass immobilizers in early Renault vehicles. It comes with a variety of other useful functions, including reading mechanical key codes and dealer tool security codes. Additionally, it is able to read CAN data from certain Peugeot and Citroen vehicles, and it has a long-lasting battery.
Despite its impressive capabilities, the XTOOL Inplus IP616 is still relatively affordable. It's priced at less than $500, which makes it a great choice for any mechanic or DIY rvinepairman. The device has a built-in rechargeable battery, as well as a quick boot-up speed, and it is compatible with both OBD and CAN protocols.
If you're looking for a more advanced option, you should consider the Autel XP400 Pro Auto Key Programmer. This is a sophisticated IMMO device that has several features, including the capability to duplicate Freescale 9S12MCUs. It also supports a larger variety of vehicle manufacturers than the previous model and comes with an improved CAN bus communications engine that can work with the latest ECUs.
What key programmer is best for me?
It all depends on the kind of work you perform and what you need from your key programmer. If you're an auto locksmith, you may require a key programer that covers the widest range of vehicles, such as the Smart Pro or Autel IM608 Pro. They can be used for everything from writing or reading on the key as well as ECU programming, and even advanced programming at the OE level.
For mechanics who don't require the entire rig, there are simpler alternatives like the Xtool PAD3 tablet key programmer. It is specifically designed for key programming, but it also comes with advanced functions, like oil service light resets, battery resets EPB resets and throttle body resets.