The GM MDI is a compact communication module that manages the transfer of data
between a vehicle’s on board ECU network and a PC.
When software coverage on the GM MDI is fully operational, all diagnostic and reprogramming for GM vehicles globally will be supported with this one piece of hardware.
The GM MDI offers faster programming speed at a lower cost. Depending on vehicle architecture (protocols/modules), the GM MDI can be 20-70% faster than the Tech 2. This helps alleviate vehicle battery drain problems during programming.
Using the GM MDI for programming also frees up your Tech 2 for diagnostics and other tasks.
No additional PCs are needed. PCs that have been installed under the Multiple PC Initiative (MPI) meet the PC Hardware Specification when using the GM MDI.
General Motors Global Electrical Architecture (Global A) and Global Diagnostic Hardware &Software
Global Diagnostic System –DGS& Multiple diagnostic Interface –MDI
MDI and GDS Background
MDI is an interface between the vehicle DLC and a PC (by wired USB, wired Ethernet, wireless Ethernet ) and TIS2web.
Can be Used for SPS programming on existing and future SGM vehicles
Required for diagnostics on new SGM Global A Electrical Architecture Vehicles
Used with TIS2Web, GM Global Diagnostics System (GDS), SPS and MDI Manager Software
Allows for GDS diagnostic
GM Multiple Diagnostic Interface (MDI)
All current and most legacy vehicle protocols: UART, KW2000, CLASS2, GM LAN, etc.
Needed for Global Architecture vehicles
Supports Service Programming System (SPS)
Pass-through programming on past model and Global A vehicles
Supports PC-Based diagnostics with rollout of the Global Diagnostic System (GDS) application
Includes Flight Recorder Mode
New Diagnostic Application Software required for Global A Vehicles
Global Diagnostic System (GDS)
PC-based software diagnostics
DTCs, Diagnostics, Data Display & Visualization, Device Controls, Special Tests, Flight Recorder management, etc.
GDS is software which runs on a specific PC. Updates received via TIS2Web.
Multiple display options. More space for diagnostics. Session management for multiple users.
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