Tag Archives: GM MDI Scan tool

How to solve GM MDI Interface not connecting errors?

Here are all solutions aimed to help fix GM MDI multiple diagnostic interface connection/communication issues (connection by usb, wireless ethernet, wired ethernet)… big thanks to all contributors and obdii365.com For mdi not connecting… First, you should make sure that the MDI Manager software should be installed on the PC and the MDI must be powered

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