What (year and model) are you trying to service?
Techline Connect requires an active subscription token to function fully.
For direct download links or to open a support ticket regarding installation failures, contact GM Technical Assistance Center (TAC) at 1-800-828-6860. gm techline connect software download
Save the executable file ( TechlineConnect.exe or similar) to your desktop. Step-by-Step Installation Guide
High-quality aftermarket devices can be used for module programming and diagnostics. Widely accepted options include the Drew Technologies CarDAQ-Plus 3 , Snap-on Pass-Thru , and Autel MaxiFlash JVCI . What (year and model) are you trying to service
General Motors has transitioned its dealership and independent service center diagnostics into a single, unified platform: . This application combines diagnostics, service programming, and technical information into one interface. It replaces legacy systems like TIS2Web. What is GM Techline Connect?
At least 8GB RAM (16GB recommended for newer architecture). Storage: 500GB+ Hard Drive. Save the executable file ( TechlineConnect
Launch Techline Connect from the desktop shortcut.