He clicked the download for the standalone PC viewer.
GM Techline eSI is the official electronic service information system for General Motors vehicles (Chevrolet, GMC, Cadillac, Buick, and older GM brands). It provides: GM Techline eSI download pc
After Techline Connect installs:
application, an all-in-one portal for diagnostics, programming, and service information. TechRoute66 Accessing Techline eSI on PC He clicked the download for the standalone PC viewer
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