Transponder keys are devices that transmit a radio signal from your key fob to the computer in your car, called the Electronic Control Unit or ECU. This technology was created to increase your car’s security because the vehicle will not start if the computer does not recognize the signal from the key. Just like the password on your computer, the microchip in the transponder key must be properly programmed in order for the ECU to recognize it

Transponder keys are devices that transmit a radio signal from your key fob to the computer in your car, called the Electronic Control Unit or ECU. This technology was created to increase your car’s security because the vehicle will not start if the computer does not recognize the signal from the key. Just like the password on your computer, the microchip in the transponder key must be properly programmed in order for the ECU to recognize it

While this adds a good level of security it also creates a problem creating a new or duplicate key. Fortunately, we have the tools and technology to reprogram or replace most Transponder keys.

Transponder-type devices are used for remote control opening devices for gates and garage doors. We can usually handle those security issues as well.