Help please! How do you unlock

[Richard]

Originally Posted by hugger6933

The factory radio with the Tech2? I went every where I could think of in that machine and I couldn't get it unlocked. I am building a crew cab Z71 and the factory radio was gone and replaced with some aftermarket unit when I bought it. I didn't really want it and it got stolen sometime from teardown to rebuild.
So I replaced the radio with the same kind [meaning RPO code was the same]and for the like of me ...... I need help please I know somebody has done this. Thanks Jim

I have used this method in the past https://www.gmpartsonline.net/blog/h...-paying-a-dime
It was many years ago. I did call the number and it is active.