HOW WILL THE GM MDI BE USED?

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 future.

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.

What protocols does the GM MDI support?

For immediate use — At present, vehicles have two buses on the 16 pin connector
(high speed and low speed GMLAN). The GM MDI communicates using all of the existing GM protocols, the same as the Tech 2:
– UART
– Class 2
– KWP2000
– 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.)
GM-MDI-3 GM-MDI-4 GM-MDI-5 GM-MDI-6

How to solve when it doesn’t connect the MDI?
gm-mdi-scan-tool-not-connect-1
gm-mdi-scan-tool-not-connect-3 gm-mdi-scan-tool-not-connect-2

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