GDS2 MDI2 WiFi MDI Programming OBD2 Diagnostic Service Adapter – GM / Duramax
The GDS2 MDI2 WiFi diagnostic interface is a professional OBD2 service adapter designed for GM vehicles, including Duramax, when used with GM factory diagnostic software. This adapter connects to your vehicle through the OBD2 port and communicates with your laptop or PC via WiFi (or USB, model-dependent) for advanced diagnostics and service functions.
When paired with the proper GM software (such as GDS2), this interface allows you to perform:
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Full system diagnostics (read/clear codes, live data, freeze-frame)
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Bi-directional controls and active tests
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Special service functions and module diagnostics
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GM programming and setup workflows (software-dependent)
This adapter operates within the GM diagnostic ecosystem and supports Tech 2–style diagnostics when configured with compatible GM software.
⚠️ Important Software Notice
Software is NOT included.
This listing is for the adapter only and does not include GM software, licenses, or subscriptions.
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