GM MDI Tech 2 Scan Tool Support UART / KWP2000 / GMLAN Protocols
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GM Multiple Diagnostic Interface (MDI)
All current and most legacy vehicle protocols: UART, KW2000,
CLASS2, GM LAN, etc.
Needed for Global A architechture vehicles
Supports Service Programming System (SPS)
Passthrough progrmming on past model and Global A vehicles
Supports PC-Based diagnostics with rollout of the Global Diagnositc
System (GDS) application
Includes Flight Recorder Mode
New Diagnostic Application Software required for Global A Vehicles
Global Diagnostic System (GDS)
PC-based software diagnsotics
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
Multiple display options. More space for diagnsotics. Session
management for multiple us.
The Future of the Tech 2
The Tech 2 remains an essential tool through at least the 2010
model year. The GM MDI will not support past models when its
diagnostic capabilities are introduced. And, the Tech2 will
continue to be needed to diagnose all vehicles fromprevious model
years. Remote programming with the Tech 2 will continue to be
supported for use on all 2007 and previous vehicles.Additional
information will be supplied in future.
HOW WILL THE GM MDI BE USED?
The new GM MDI can be used only in the Pass-Thru method. This means
you can use it as your programming tool, while your Tech 2/CANdi
remains available for diagnostics and other duties.
The GM MDI is initially being introduced with Pass-Thru programming
capabilities only. It can be used to perform Pass-Thru programming
on all vehicles built since 1996 and will support all vehicles into
The GM MDI will be required to perform diagnostics on selected NAO
vehicles for model year 2009. Diagnostic software is scheduled to
be released for the GM MDI during the fourth quarter of 2008.
Regulations require programming procedures to be compliant with SAE
Recommended Practice J2534. The GM SPS is compliant with SAE
Recommended Practice J2534, and the GM MDI is compliant with the
portions of SAE J2534 that are applicable for GM vehicles.
GM MDI SUPPORT FOLLOWING protocols
For immediate use ? At present, vehicles have two buses on the 16
(high speed and low speed GMLAN). The GM MDI communicates using all
of the existing GM protocols, the same as the Tech 2:
- Class 2
- GMLAN (CAN)
Beginning with the 2008 model year vehicles, Pass-Thru will be the
only programming method available. (Remote will continue to be
available for previous vehicles.)