Make sure the VIN for the PCM as reported by EFILive in the Scan Tool is correct for your vehicle.
If it is wrong, use the menu option bidirectional->Change VIN to correct it.
When the VIN is incorrect, the EFILive software does not recognize the PCM as a GM PCM and will not load the GM specific PIDs.
Regards
Paul
I entered VIN, then selected controller and connected to controller. Do I select controller and connect before entering VIN ?