GDS2 GM OBD2 Automotive Programming Interface Diagnostic Tool 1. As an auxiliary tool for diagnosing and repairing automotive electrical and electronic systems. 2. Designed to connect the vehicle to a host PC computer application for data transfer and Electronic Control Unit (ECU) reprogramming via MDI 2. 3. The MDI 2 is backward compatible, allowing for pass-through programming of all vehicles manufactured since 1996 using the J1962 connector and DLC cable via standalone (USB) and dealer network (CAT5) connections. The MDI 2 connects to the PC via standalone (USB) and dealer network (CAT5). 4. Features a new, more secure Type B connector and ground offset fault protection. A wired connection is recommended for longer programming operations. 5. Powered by the vehicle battery via the DLC cable; it can also be powered via a USB connection, allowing for firmware updates using only a computer. 6. Uses USB 2.0 for faster firmware downloads without the need for a separate AC power supply. 7. Dimensions: 16.5 x 11.5 x 4.5 cm 8. Product list: 1 x MDI device 1 x DLC cable (SAE J1962 compliant) 1 x 10-foot USB A to USB B cable 1 x Ethernet cable