The 3970-03 is the USB cable used for updating software on the Bosch ADS 625 Diagnostic Scan Tool VCI.TabsOverview SKU: 3970-03 Features USB Cable used for updating software/firmware on VCI Includes: USB CableCategory: DiagnosticsReplacement Parts & AccessoriesScan Tool Parts & Accessories DownloadsImages: Accessories Related Parts & Accessories 3970 - ADS 625 Diagnostic Scan Tool