31 AugHow to choose GM Diagnosctic Scan Tool: GM Tech 2 or MDI or MDI 2? GDS1 or GDS2?

Here’s an info about the General Motors scan tools, including discussion of the Tech 2, MDI and current GDS 2. It looks like the trend is toward subscription services and frequent payment for updates.   GM TECH 2 handheld scan tool or MDI-2 GDS2 PC-based system? From 1992 to 2009 and certain newer vehicles, GM […]

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