What is the year, make, model of your vehicle? Are you trying to change the module, or retreive the original factory code?
Its located behind the right rear qtr panel trim panel:
Ok, before accessing the module, first try reprogramming the transmitter. Below are full directions on re-programming, as well as full symptom and diagnostic test procedures:
Click to open and download> TESTING
The programming refers to the DLC(data link connector) and jumpering it. Below is diagram of DLC and the pin connector numbers:
If you run into a problem just come back and re-open this question and it will ppost directly to me.
Yeah, most people dont realize that mechanics are no longer simply mechanics. Most of us are in some type of class every couple of months to stay up on vehicles. We have to be part mechanic, part electrical engineer, part computer engineer, and sometimes part magician!