Always connect the vehicle to a battery maintainer. A voltage drop during flashing can permanently damage the BCM.
The 10033 13 20 interface is stripped down to the essentials, making it easier for users to navigate without getting lost in complex sub-menus. fast gsm bcm flasher 10033 13 20 repack
Most repacks come with an automated installer that handles driver configuration. Always connect the vehicle to a battery maintainer