...does everyone here realize that they can get an idea of what
software version number(s) are applicable for EACH computer in their GM car?
...go to the
ACDelco Techconnect website, and click on
Technical Information Service in the upper left-hand box (GM Service Information).
...when the next screen pops up, go to the lower right-hand box and near the bottom, click on the statement:
Look Up Vehicle Calibration (No Charge)
...you'll need to enter the VIN for your vehicle.