Looking for some help and hoping someone, specifically, with experience with a GX470 has successfully programed their keys. I have tried every method I could find on the forums, etc. I am able to get the fast beeps, followed by the long beep.... after that, I get nothing. I tried the lost all keys function or adding a key function. I clear the learning mode every time it fails in between attempts. Any thoughts?

FYI, I have an 03 GX.

 

I used techstream I bought off amazon and did mine for the GX470. Not familiar with what you have

 

I definitely tried that first. It did not work, but I confirmed mine is a master key. My techstream version wasn't the one advertised on Amazon. When I contacted the seller, they said that they needed to look into it and asked me to return it. I haven't heard back since. The techstream kept saying communication error, despite me following the technique thoroughly. This has been so frustrating.