For sale is a GM Multiple Diagnostic Interface 2 (MDI 2). This is the professional dealer-level tool used for programming, flashing, and diagnostics on General Motors vehicles (Vauxhall, Opel, Chevrolet, GMC, Buick, and Cadillac). THIS IS NOT A CLONE, it is a used genuine bosch unit. Does not come with any software or subscriptions. Can be used as a J2534 pass-thru Interface.