10 Quick Tips About Automotive Locksmith Key Programming

· 6 min read
10 Quick Tips About Automotive Locksmith Key Programming

Automotive Locksmith Key Programming

Modern cars require some type of key programming. Based on the model and make, the process may be as simple as using an additional key to program the onboard computer or as complex as OBD2 programming or EEPROM.

The majority of US and Asian automakers use the same programming protocols as auto tool makers, so they can design tools or hardware for automotive locksmiths.

Transponder Chips

The majority of newer cars have transponder chips in order to prevent theft. These are tiny computer microchips that emit radio waves of low-level. The microchips have a unique serial number which authenticates your keys when you plug it into the ignition barrel. If your vehicle isn't able to recognize the signal, the engine will be shut down. This technology has proved to be an incredible success in preventing auto theft. It has also saved many car owners a significant amount of money since they don't need to replace their cars.

The basic idea behind the transponder system is to make it difficult for thieves to get into your car without the proper key. In the past, car thieves would simply push your ignition switch to the "on" position using the flat screwdriver, or hot-wire the car to bypass the system altogether. These kinds of thefts have been dramatically decreased with the introduction of the transponder chip.

When  how to program a car key  insert a transponder keys into the ignition, it transmits a signal that is picked up by a hidden antenna circling the barrel of the ignition. This antenna is programmed with the frequency of the chip in the key. The onboard computer in the car will recognize the key as being valid and allow fuel flow and power the starter to start the engine.

Based on the manufacturer, some vehicles will only recognise the specific type of transponder chip. This is why it is essential to ensure that your locksmith for automotive is equipped to program your vehicle's keys and fobs properly.

A reputable locksmith for automotive will utilize a multi-vehicle programmable tool that can be used on a variety of different automobile models and manufacturers. This is a more cost-effective alternative to purchasing separate tools for each brand of vehicle. They are not as common however, there are specialist automotive key programmers that can only work on a particular type of vehicle. The best automotive locksmiths will have the proper tools to work on any type of vehicle, so be sure you find a reputable company that offers these types of tools.

Key FOBs

Key FOBs are programmable transponder chip devices that allow your vehicle to open doors and start the engine using the push of a button. They also have buttons you can press to trigger features like trunk release, door locks or control of the fuel flap. Certain fobs can be controlled with the press of buttons. For example, a "smart key" that allows you summon your car into tight parking spaces, like the Genesis GV60, Tesla or Genesis GV60.

You can program some spare key fobs by yourself with the assistance of a user guide, but you'll need to call an automotive locksmith if yours has stopped functioning. A professional locksmith is better equipped to connect the computer of your vehicle via the OBD port on the steering wheel.

The majority of key fobs are equipped with security features to make it more difficult for criminals to duplicate and copy the signals they transmit. Some key fobs have pseudo-random code generators that generate a different unlock code every time you press the button. This stops attackers from recording and playing back the unlock signal to gain access to your vehicle.

In some cases you can purchase a replacement keyfob from an auto dealer or other retailer. Your locksmith at your auto will then program it to work with your car. This is because the majority of the major US and Asian car makers have key fob programming protocols with third-party companies that create the tools auto locksmiths use to program their customers' keys.

While some of the aftermarket key fobs are advertised as compatible with all vehicles, most automotive locksmiths don't recommend using them as they're likely to work poorly or not at all. Instead, they suggest purchasing fobs that are specifically made for your vehicle, so that you can be certain they'll function correctly and are less prone to issues like interfering or incompatibility. This will save you money in the long run by avoiding expensive repairs or replacing the fobs.

Tools for programming vehicles used by manufacturers

The automobile industry has made significant advancements in the past few decades. Today's vehicles are computer-driven. One of the most important components of this technology is a transponder chip which requires to be programmed to the vehicle by an auto locksmith or dealer/mechanic order to function. Key fobs come with built-in security features that prevent hot-wiring (like in a movie) and the car won't start if it doesn't have the proper key.

These key fobs can be slightly more complicated than a standard mechanical key. This is why they are usually placed in the hands of experienced professional auto locksmiths. The cost of a key fob may vary depending on the car model and the key type however they usually cost between $85 and $400. This includes the cost of labor to program the key fob as well as the cost of any needed replacement parts.

To complicate the process to make the process more complicated, these key fobs for cars make use of a special software to work with the car's onboard computer. The software blocks access by unauthorised persons by only permitting keys that have been programmed for a specific vehicle to function. This means that if your keys replaced, you'll have to have the new key fob programmed to the car in order to function.

This is done by using a tool for programming keys for cars that are compatible with the brand of your vehicle. This tool allows a locksmith to connect to the OBD port in the vehicle and then enter programming mode. The key programming device can be a handheld device that's affordable or fancy and can do more than just programming keys (like reading the eeprom file inside the ECU).

Some people may attempt to program their keys themselves using these tools. However, this is best left to an experienced auto locksmith. It's easy to make a mistake using the software systems if you don't know the nuances. This could lead to damage. The most important thing to remember is that a professional with experience can help you avoid these issues.

On-Board Programming

If your car is older than that it has a key, it might still come with a metal key that you can use to open doors and turn on the ignition. However, modern vehicles are equipped with transponder chips that need to be recognized by the computer system to allow it to start. This is an additional layer of security that stops car thieves from stealing a car and driving away with the car. A certified locksmith has the tools and software to create a key that will work with your car's security system.

Your locksmith will have to obtain a key blank that is that is compatible with the vehicle's make and model. Once the key is in your possession, your locksmith will link the scanner that is used for programming to the diagnostic port of your car. This will put the vehicle into an exclusive programming mode that will allow the locksmith to add a new key into the system.

To do this, the key programming scanner will communicate with the car's computer and send an exact code. The computer will detect the code and add it into the list of keys that are approved. In some instances the scanner will be able to erase keys that are stolen or lost from the system.


You can also program new keys by using EEPROM. It is more complicated and requires a deep understanding of electronic systems. This is why it should be left to a professional that has years of experience working with these kinds of systems.

Onboard programming is the most efficient way for a locksmith to program an entirely new key. When everything is done correctly, it can take as little as one minute. However, if the key isn't in the proper situation or the procedure isn't strictly followed, it could take as long as a half hour.

There are many key programmer scanners available that can be used with different vehicle models and makes. Both the Smart Pro and Autel IM608 Pro have become very popular among locksmiths due to their wide selection of vehicle models. However, neither can be programmed for every vehicle on the market. These machines are also quite expensive. It's a good idea purchase a programer that is updated regularly when the manufacturer introduces new technologies. If not, your computer will soon become obsolete.