Windows 10 (64-bit) or Windows 11 (Professional versions are highly recommended). Home editions are not officially supported.
There are many fraudulent websites offering "cracked" or "free" versions of Techline Connect. These often contain malware and will not work because the software requires an active internet connection to validate your subscription. You must go through GM’s official portal: ACDelco TDS (Technical Diagnostic System). gm techline connect software download
Independent repair shops and DIYers must use the ACDelco Tech Delivery System (TDS) portal. Visit the official (acdelcotds.com). Create an account or log into your existing profile. Windows 10 (64-bit) or Windows 11 (Professional versions
By bringing these tools together, technicians no longer need to switch between different applications or web browser tabs to complete a single repair. System Requirements for Techline Connect These often contain malware and will not work
Stable internet connection for downloading, installation, and daily usage. How to Download and Install GM Techline Connect
Upon first launch, you may be asked to activate the software using your credentials. Troubleshooting Installation Issues