20 Myths About Automotive Locksmith Key Programming: Debunked
Automotive Locksmith Key Programming
The majority of modern cars require some type of key programming. Depending on your vehicle's model and manufacturer the procedure could be as simple as using a spare key to program the onboard computer or as complicated as OBD2 programming or EEPROM.
The majority of US and Asian car makers use the same programming protocols as auto tool makers so that they can develop tools and hardware for automotive locksmiths to use.
Transponder Chips
The majority of newer cars have transponder chips in order to prevent theft. These are microchips in the form of computers which emit radio signals of low-level. They are equipped with a unique digital serial number that authenticates the key to your vehicle when it is connected to the ignition barrel. If your car isn't able to recognize the signal it will stop the engine. This technology has proven to be extremely successful in preventing theft of cars. This technology has also helped car owners save a good deal of money since they don't have to purchase new cars.
The fundamental idea behind the transponder system is to make it impossible for thieves to get into your car without the proper key. In the past, thieves used an ordinary screwdriver to force the ignition switch in your car to go into "on" mode, or hot-wire it in order to bypass the system. These types of thefts have drastically reduced with the introduction of the transponder chip.
When you insert the transponder keys in the ignition the signal is picked up by an antenna hidden around the barrel. This antenna is programmed so that it can detect the particular frequency of the chip within the key. The computer onboard of the car will then recognise the key as being valid and allow fuel flow and power the starter to begin the engine.
Based on the manufacturer, some vehicles will only recognise a specific type of transponder chip. This is why it is crucial to make sure that your automotive locksmith has the appropriate equipment to program your vehicle's keys and fobs correctly.
A reputable locksmith for automotive will utilize a multi-vehicle programmable device which can be used on many different automobile models and manufacturers. This is a far cheaper option than buying individual tools for each brand of vehicle. There are also specific key programming devices for automotive that can only be used on specific brands of vehicles, but these are less frequently used. The most reliable automotive locksmiths will have the appropriate tools to work on any type of vehicle, so be sure you choose a reputable firm that has these types of tools.
Key FOBs

The name implies that key FOBs house the programmable transponder chips that allow your vehicle to identify and unlock the doors or start the engine using a push button ignition. There are also buttons that you can press to activate features such as trunk release, door locks or control of the fuel flap. Certain fobs can be controlled using buttons. For
car keys programmed , a "smart key" that lets you call your car to tight parking spaces, like the Genesis GV60, Tesla or Genesis GV60.
You can program replacement key fobs yourself using the help of the user guide, however you'll need to contact an automotive locksmith if the one you have has stopped working. A professional is better equipped to connect the computer of your car via the OBD port on the steering wheel.
Today, most key fobs come with security features that make it difficult for criminals to duplicate or copy the signals they transmit. These include pseudo-random sequence generators that generate a new unlock code each time you press the key fob's button. This blocks attackers from recording and replaying the unlock signal to gain access to your vehicle.
In some cases, you can buy the replacement keyfob at a dealership or another retailer. Your locksmith at your auto will then program it to work with your car. This is because most of the major US and Asian car manufacturers share their key fob programming protocols with third-party firms that make the tools that auto locksmiths employ to programme keys for their customers.
Although some key fobs from the aftermarket are marketed as being compatible with all vehicles, most automotive locksmiths do not recommend using them since they're likely to work poorly or not at all. They recommend buying fobs made specifically for your vehicle to ensure they function properly and are less prone to issues like interference or incompatibility. This will save money in the long run by avoiding costly repairs or replacements for your fobs.
Tools for programming vehicles used by manufacturers
Automotive technology has progressed a lot, and today's vehicles require computers to function. One key element of this technology is a transponder chip that requires to be programmed to the vehicle by a locksmith or dealer/mechanic in order to function. Key fobs come with security features to stop hot-wiring, like in a film. The car won't start if the keys are not correct.
These key fobs can be slightly more complicated than a traditional mechanical key. This is why they're usually handled by experienced, professional auto locksmiths. The cost of a key fob can vary depending on the car model and the key type, but they typically run between $85 to $400. This includes the labor required to program the key fob and the costs for any necessary replacement parts.
Car key fobs are more complex because they use a software system that works with the computer onboard of the car. The software blocks access to unauthorized users by only allowing the key to function if it has been programmed for the specific car. This means that if you get your keys replaced, you'll need to have the new key fob programed to the car to function.
This is accomplished using a programing tool for car keys that is compatible with the brand of your vehicle. This tool allows the locksmith to connect to the onboard diagnostics port (OBD) in the vehicle and then enter an programming mode. The key programming device can be a handheld device that's affordable or sophisticated and capable of doing more than just programming keys (like reading the eeprom file inside the ECU).
While some may try to program their own keys using these tools, this is an activity best left to a professional auto locksmith. If you're not familiar with the aspects of the various software systems, it's easy to accidentally alter settings that could cause damage to the vehicle. The most important thing to keep in mind is that a professional with experience can help you avoid these problems.
On-Board programming
If your car is old enough that it has a key, it might still come with a key made of steel that you can use to unlock doors and turn off the ignition. However, modern cars have transponder chips that must be recognized by the computer system to begin. This adds an extra layer of security that stops car thieves from stealing a car and driving off with it. A locksmith certified has the tools and software required to create a key that will work in your car's system.
Your locksmith will have to acquire a key blank that is that is compatible with your car's make and model. Once your locksmith has the key, he will connect the scanner for programming to the diagnostic port of your vehicle. This will put the car in a special programming mode, which will allow locksmiths to add a key to the system.
The key scanner is programmed to communicate with the computer of the car to send a code. The computer will recognize this code and add it into the list of approved key. In some cases the scanner will also delete lost or stolen keys.
EEPROM programming is another method that can be used to program new car keys. It is more complex and requires a deep understanding of electronic systems. It is best to delegate it to a professional who has experience with these systems.
Onboard programming is the fastest way for a locksmith to program an entirely new key. It can take less than an hour if everything is done correctly. If the key isn't in the right condition or the procedure isn't being followed exactly, the process can be as long as half an hour.
There are a variety of key programmer scanners which can work with different makes and models of vehicles. Both the Smart Pro and Autel IM608 Pro are very popular with locksmiths due their broad range of models for vehicles. However, neither can program every vehicle in existence. Additionally, these devices are expensive. It is recommended to purchase an instrument that receives regular updates from the manufacturer whenever new technologies are developed. Your programming machine will quickly become obsolete if you don't do this.