How to Program a GM or CHEVY Transponder Chip Keyby Contributor
Some people don't know it but you can't just get a regular key cut and have it work in your new car. Cars are now equipped with a system that requires the key to be programmed so that it will work in your ignition. If you go to the dealer it can cost you in upwards of $200. Well follow these steps to program your transponder key for less than $20.
First you will need to buy the transponder key. You can purchase a key at your local dealer at a high price, or you can order one off of eBay for under $20. Simply go to eBay and type in your vehicle year and transponder key. The transponder key should look like your current GM or Chevy transponder chip key.
Now you will need to have the key cut. Most places will not cut keys that have a chip in them. You can go around this by going to a hardware store that cuts keys and see someone you know that will cut the key for you. You can also go to a 24-hour retail store that cuts keys. If you go in late at night after hours, you can probably find someone to cut the transponder key. If you can not find anyone to cut the key, call a locksmith, they will cut it for you for a cheaper price than the dealer.
Now that you have your new cut key it is time to program it. Remember that these steps are for GM and CHEVY transponder keys only. All other makes have a different process or can only be programmed by the dealer. First take the original key that is already programmed and stick it in the ignition. Turn the key to run but do not start the vehicle. Wait until the security light goes off and then remove the key from the ignition.
Now take the new transponder key that is not yet programmed and stick in the ignition and turn it to RUN. Do not start the vehicle. Wait until the security light turns off and remove the key. The new transponder chip key should now be programmed. Test it by inserting the new key into the ignition and start the vehicle. If the vehicle starts, the key was successfully programmed. If it does not, repeat the steps above.
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