To download and install the GM Techline software (now primarily referred to as ) on your PC, you must access it through official General Motors portals. This application integrates critical diagnostic tools like Service Information (SI) , GDS2 , and SPS2 into a single interface. Official Download Options
Right-click the downloaded installer and select "Run as Administrator" . GM Techline eSI download pc
Windows 10 (version 21H2 or newer) or Windows 11 Professional . Techline Connect To download and install the GM
For vehicle scanning and trouble codes.