Connect Software Best Download — Gm Techline

The software is useless without the hardware interface. GM uses the or the newer MDI 2 .

Note: As of late 2023/2024, GM has begun transitioning to a new platform called "GM Global Diagnostic System" (GDS 2 via the web), but Techline Connect remains actively used for programming and legacy support. We will cover the current status as well. gm techline connect software download