Using a Key Programmer
Modern key fobs aren't just keys; they communicate with vehicles to start it or open the rear hatch, and much more. To accomplish this, they need to be programmed to work with each other.
All car dealerships, auto manufacturers and auto locksmiths provide key programming. You can do it yourself using the right tools.
What is a key programer?
A key programmer is a device used to recode the transponder on the fob or key of the vehicle truck or other vehicle. This is required when the new key or fob has to be programmed. This process is often required when a fob or key is lost or stolen. The device reprograms the chip inside the key to match the digital signature of the vehicle and allows it to start.
Some vehicles have electronic immobilizer systems that prevent theft by stopping the engine from starting if it is not equipped with the correct key or fob. This is done by having the system verify that the key or fob has the correct digital signature. The system will turn off when it isn't. This kind of system has been proven to be effective in reducing automotive theft and has been made mandatory for a variety of models of cars by the manufacturer.
Most anti-theft systems are controlled by a module installed in the engine compartment or instrument cluster or ignition lock. In certain instances, these modules need special keys that have been designed by experts to function with the anti-theft system. This is typically performed by a dealer or locksmith with computer.
While it is possible to reprogram some fobs and keys at home but it is not advised unless you're an skilled technician in the field of automotive. A wrongly programmed key can cause the vehicle to not begin, stop running or even to be destroyed. Most auto manufacturers have a particular procedure to program these kinds of keys.
It is advised that if you intend to offer key programming as part of your service offering, you obtain an LSID. This credential grants you access to an inventory of key and immobilizer codes along with product information. This lets you quickly and easily program and test a new keys for customers. In addition, it offers you support and documentation that will help you with your day-to-day business operations.
How do I program a key?
A key programmer is a piece of equipment that will help you change the key codes in your car. It reads the data from the microchip inside your key, and then write new data to the chip. This will allow you use the key, and make sure that it works properly. However, the process of using a key programer can be somewhat complicated and requires some technical knowledge to make use of. Therefore, before you attempt to do this yourself it is recommended to first consult an expert or locksmith for instructions.
You can also buy a key programmer online and get it professionally programmed for an affordable cost than what you would pay to have a dealership do the job for you. Be aware that not all key programmers are compatible with your vehicle. You must confirm the compatibility of the item with the model of your car before 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 need to have the VIN number for your car to do this, and typically charge a fee to do it. You can save money by providing your dealer a copy which you'll be able to obtain from the DMV of the majority of states.
For some cars, you can also try to reprogram your key if you have a second working key that works with your car. This is known as the master key method and it can be applied to certain vehicles in order to program a secondary key. If you own an GM vehicle, for instance you can insert your key into the ignition until the security light goes off. Once that happens you can take out your working key and then insert the new one to program it.
You can also buy an specialized EEPROM key programmer, which is a more expensive, but more efficient method to program the car key. However this is a more advanced technology that requires removing the car and reading the information from the microchip within the key. This kind of programming is best for skilled automotive technicians with years of experience in electronic repair.
What are the top key programmer options?
There are many options available when it comes to key programmers. Some key programmers are designed for a single use, like generating new keys. Others include diagnostic and service functions to make them a multi-purpose tool in a mechanic's shop. XTool is a producer of key programming tools that are well-received among customers is among these companies. The products are affordable and have a focus on the customer, making them easy to use.
One of their most well-known models is the XTOOL Inplus IP616, which has been rated among the top in its category. It offers an easy, user-friendly interface and super clear instructions that guide users through the process of programming a brand new key. There are two ways to accomplish this: By vehicle, or via type. The first method is easier and more suitable for beginners and home mechanics, whereas the second is more advanced and requires more expertise.
Autel MaxiIM IM608PRO Automatic Key Programmer is another great option. This device is a major upgrade to the previous model, bringing increased power and stability. It comes with an IMMO feature that is powerful and the ability to perform diagnostics at the level of OE. This makes it perfect for automotive technicians who are professionals.
This model also has the capability to bypass immobilizers on early Renault vehicles. It comes with a variety of other functions that are useful, including reading mechanical key codes as well as dealer tool security codes. It can also read CAN data from some Peugeot and Citroen cars, and it comes with an extremely long-lasting, rechargeable battery.
Despite its impressive capabilities, the XTOOL Inplus IP616 is still quite affordable. It's available for less than $500 which makes it a good choice for any mechanic. The device comes with a rechargeable battery and a fast boot-up time, and it supports both OBD and CAN protocols.
Autel XP400 PRO Auto Key Programmer is a more advanced option. This device is an advanced IMMO tool with a number of additional features, including the ability to copy Freescale 9S12 MCUs. It also supports a larger range of vehicle manufacturers than the previous model, and features an enhanced CAN bus communication engine that works with the latest ECUs.
Which reprogram car key fob is the best for me?
It all boils down to what kind of work you perform and what you require from your key programmer. If you're an auto locksmith you might need a key programmer that covers the widest range of vehicles, such as the Smart Pro or Autel IM608 Pro. They can do everything from reading/writing on the key, to ECU programming, and even some basic programming for OE.
For mechanics that don't need the full equipment, there are more basic alternatives such as the Xtool PAD3 tablet key programmer. It's designed for key programming, but also provides advanced special functions including oil service light reset as well as EPB reset, battery reset, and throttle body reset.