What Is Transponder Key?

You are currently viewing What Is Transponder Key?

Transponder key is a car key equipped with an electronic chip that transmits a low level radio frequency signal to a remote receiver installed in the car. 

The chip contains a unique serial number that must be identified by the ignition before it starts the car. 

The transponder key technology was introduced by GM on its 1985 Corvette car model and since then it has been adopted by almost all car manufacturers for improved vehicle security.

Why The Transponder Key Is Preferred And More Secure?

The transponder key provides much higher level of security compared to the traditional metal keys which have only few classic cuts combinations that can easily be manipulated by thieves.

A transponder car key contains a digital ID which is unique to each vehicle and offer enhanced security through this special encrypted communication. An anti theft features with rolling code technology and full integration with the car’s security systems making this key highly resistant to duplication.

How To Identify A Transponder Car Key?

Most transponder keys have a thicker plastic head compared to regular keys. This plastic part usually houses the electronic chip and some transponder keys may have a “+” symbol print on them. 

The car owner’s manual may mention if the car uses a transponder key system but the best way to confirm your car key has a transponder chip is to open the head of the key and check if there’s any chip built inside.

What To Do When Your Transponder Key Is Lost Or Damaged?

If your transponder key gets lost or damaged you should contact a reliable automotive locksmith who will be able to cut out a new one fro a blank key and also to program it to match with your car’s RFID signals.

Leave a Reply