Reprogramming Car Keys
Transponder keys are thought to be more secure for cars and harder to copy by thieves. However, keys may need to be reset in the event that it is damaged or lost.
You can change the key fobs you own but you must be aware of the correct process. To get the best results, you'll need the following items:
Keys
Most modern cars require a transponder keys to operate. This gives security and protection against theft. The keys are programmed by a locksmith or an authorized dealer to function with your car's system and the specific model. It's costly to replace them if they are lost, so it's best to keep extras on hand. You can also find replacement key fobs in various online stores and in a variety of brick-and-mortar automotive shops. But how do you know that the new one you have bought is authentic? Are you able to tell whether the unit is programmed to work with another vehicle, or if it can be reprogrammed?
If you're looking to program a new key first, you need to ensure that your vehicle is on and running. Insert the key that you wish to program into the ignition, but do not turn it. You have only a few seconds before the system resets all commands and then exits the programming mode. Therefore, it is important to be quick and not wait between steps. Shut off the engine to prevent this. Switch the key from "on" to "off" to test the system. The door locks should cycle and you will hear a chime signalling that the process was successful.
Certain cars with more modern technology have rolling key system, which stops thieves from using a stolen vehicle's key to start it. This feature is still vulnerable to a method known as a replay attack which allows thieves to record the signal from the key fob of the car and then replicate it to unlock the car. To stop this, manufacturers introduced security features known as the CAN bus protocols to stop hackers from gaining access to the vehicle.
Certain manufacturers employ a specific encryption on their keys that can't be decoded with an easy program. These types of cars require to be programmed by a professional, so you should only try this only if you've worked with electronics. Refer to the manual for your car or look up the website of the manufacturer to find out how to program it. The steps will vary according to the type of vehicle.
Transponder chips
Transponder chip car keys require a specific reprogramming to function. Any hardware store can make you a new car key but the real challenge is in making it work with your vehicle. A reprogrammed key will need to match the specific identification number of the vehicle otherwise it won't even start the engine.
Transponder chips, which are used to protect cars from theft, are a common feature of modern automobiles. The chip is a tiny microcircuit which transmits a radio-frequency signal when the ignition key is put in. The car detects the signal and begins the engine only if the signal is in line with the one programmed in the vehicle. The vehicle is also programmed to shut down if it detects an invalid frequency. This makes it more difficult for novice car thefts to wire a vehicle hot and then turn it on.
A circuit board that has an induction coil that connects the chip to the key. When the key is put in the ignition, a magnetic field is generated around the transponder. This creates a signal which is taken up by the coil and sent to the key's identification. The key's identification number is returned to the car and the engine will start when the identification number matches.
There are several methods to program a transponder key however, all require an instrument that is specifically designed for the purpose. You can purchase these tools on the internet or at many automotive locksmiths. These tools are not cheap but are essential to program your car's chip.
You may also make use of a transponder key that can be reprogrammed that has been previously programmed for another vehicle. In this instance, you must make sure that the key hasn't been damaged or that the transponder isn't altered in any way. To accomplish this, you can use a scanner or a computer with an USB port to scan the chip and determine its identity.
Reprogramming the transponder is a straightforward procedure, but requires specialized software. It also requires a scanner tool. If you're a beginner you should seek the assistance of an auto locksmith. Avoid buying used keys as they could already be programmed, and they won't be compatible with your vehicle.
EZ Installer
Until recently, car owners who wanted to replace their key fob had to visit an authorized dealer to get it electronically linked to the vehicle. This is because, in order for modern keys to function they must be "paired". This required expensive and complex equipment that was only available to dealers. The EZ Installer by Car Keys Express simplifies the process of pairing up modern keys with vehicles for locksmiths and retailers.
The EZ Installer, a basic "plug-and-play" OBD device, pairs new keys with vehicles without the use of complicated equipment or tokens for programming. It connects directly to the vehicle's standard OBD port, and then using an app on mobile devices to provide easy-to-follow instructions. The EZ Installer is compatible with most newer vehicles that include proximity keys or push button start. Visit the compatibility guide on Tom's site to see if your vehicle is compatible.
A full money-back guarantee is offered in the event that the device cannot successfully program a key or remote purchased from Tom's for a vehicle that is compatible.
Unlike traditional programming equipment, which can cost key professionals many thousands of dollars in "token" fees per key, the EZ Installer Pro does not charge these costs. It can be used as long as a key professional or retailer requires. can a locksmith reprogram a car computer eliminates the requirement for expensive monthly service agreements and updates, which means it will save retailers money while offering customers the same high-quality service as OEM equipment. It also comes with an industry-leading warranty that includes all software and hardware for life.
Tools

Locksmiths, auto mechanics and owners of vehicles can utilize car key programming tools to program new keys for cars. These tools communicate with the vehicle's immobilizer system to program new keys and remote controls. They can also be used to clone existing keys and create duplicates. These tools are an essential tool for anyone who owns an automobile.
One of the most well-known car key programming tools is the Autel Maxisys MS906BT. The scanner for diagnostics of vehicles has advanced features that are OE-grade and is compatible with most of the top brands. It has an important programming feature and can backup the current key information. It also resets the immobilizer or erase the fault code.
Another tool that is essential for reprogramming car keys is the OTOFIX Im1. This auto diagnostic scanner comes with advanced OE-level functions and can read passwords from all major brands. It can even perform online calibration, customization, and reading of EEPROM. The tool also has the ability to bypass the BMW or Mercedes PIN code. It is also able to read EEPROMs, car MCUs, and CAN-EEPROMs of all major models.
The XToolUSA Bidirectional Scanner is another option for reprogramming cars. It can read codes and key information from most vehicles in just a few seconds, making it a great tool for auto shops as well as locksmiths. It also has a live test feature that helps find the problem quickly.
There are a variety of ways to reprogram your car, it is crucial to choose the right tools and to be aware of how to make use of them. A mistake in programming could cause damage to the car's immobilizer system, and may prevent it from starting. Before attempting to program your car key, it is recommended to seek advice from an expert.
You can purchase a kit that includes keys, a key programmer, remote control key and transponder chip. This will ensure that you have everything you need to reprogramme your car key. However, this method takes longer and requires some understanding of electronics and soldering.