Quote Originally Posted by Blacky View Post
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 ?