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High quality GM MDI Communication Module tech3 GM GlobalTIS system

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 High quality MDI Communication Module Multiple Diagnostic Interface with Wifi (TECH-3) easier to install, nerver lock WIfi function..

This one can only be installed on Win XP Operating System, you can use USB Cable or Lan Cable to connect it with your laptop

Note: Requires software subscription to SPS (Service Programming System), which must be purchased separately via the ACDelco Tech Connect website.

 MDI can test all GM car from 1990-2014 year.


1.High quality original version works well on GDS2

2.We provide remote install service install on GM office GDS website .contact our sales to install

3.Wifi function

General Motors Global Electrical Architecture (Global A) and Global Diagnostic Hardware &Software
Global Diagnostic System DGS&Mutiple diagnostic Interface MDI

Newest GM MDI features:

1. With opel Global tis global diagnostic system
2. Support offline lease function
3. Support Opel offline programming function
4. With GDS2 diagnostic system
5. Tech2win diagnostic software support adding latest software
6. support programming online
7. support cable communication
8. support wireless communication
9. support original factory latest software
10. With European Chevrolet Global tis, Supports European Chevrolet offline programming
11. All Chips are new and original

General Motors Global Electrical Architecture (Global A) and Global Diagnostic Hardware &Software
Global Diagnostic System DGS& Mutiple 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, Global Diagnostics System (GDS), SPS and MDI Manager Software
Allows for GDS diagnostic


Xcar360 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)
Passthroughprogrmming 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 TIS2Web.
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 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.

The new 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 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 MDI will be required to perform diagnostics on selected NAO vehicles for model year 2009. Diagnostic software is scheduled to be released for the MDI during the fourth quarter of 2008.

Regulations require programming procedures to be compliant with SAE Recommended Practice J2534. The SPS is compliant with SAE Recommended Practice J2534, and the MDI is compliant with the portions of SAE J2534 that are applicable for vehicles.

MDI installation

PC specification require: Full installation version WIN XP3, pls install all the systerm patch (picture 0)

1: Open the software folder, double click “CD Start”pop-up installation window,and click “install” ( Picture 1)
2: Pls install the software in order : JAV A.EXE;Validat.exe;MDI Software.exe;Tech2Win.exe; (picture 2-6)
3: automatic install all the files above, when have message “ Copying PCMCIA files..”,please don’t touch any keyboard or mouse, just leave it alone, the  MDI USB drive will automatic install. (Picture 7-10)
4: after installation finish, there will be have a message “ press any key to continue…” and pls press any key, and software installation partly finish ( Picture 11)
5. Pls connect the USB cable to PC ( do not need to connect to the Car OBD at this time), the first time connect USB to PC, the USB drive will be detected on the lower right corner, then choose automatic install, click next to finish.

one store buyOne store

6. when USB drive installation finish, on your PC device manager ,you will find a “MDI USB Device(COM...” on Port place. (Picture 12) , if not then pls find the drive on MDI folder on the CD and install, if still not successful, then pls check  if the PC operation is correct or not.
7. open “ MDI Menager” on the desk to do connection test (if the USB was correct installed, the red “X” on the dialogue will disappear, if the red “X” still on, then pls repeat steap 6
8: finish the installation above, pls connect your PC with internet. ( do not connect to the car OBD ) open this website and activate lease. you open this web. Write any user’s name and click ok. All choose OK /continue ( picture 15-17)
9: in the main interface, please click “Global Diagnostic System2(GDS 2)” icon, and click GDS2 to run, at that time, software will update lease automatic .after update finish, software GDS2 (Launch GDS2 on the desk) will open automatically , choose the language and back to the main interface.
Bottom left will have a lease expire time. Be attention, it need only your PC systerm time, don’t change. Afterward we don’t need internet to update lease, so if there have any remind indicate new update available,please do not click update (picture 18-21

Test steps:

1: finish update lease step, connect with Car OBD, click diagnostic icon on the interface. Choose brand and click “input” on lower right corner, car information will be read automatically, or you can choose manual input VIN
2:choose test what you want, like module diagnostic—engine control modual—identifying information ( picture22-27)

 PCB Picture 

GM MDI tech 3 high quality

GM MDI tech 3 high quality 01

MDI Package List:

1. MDI main unit

2. MDI DLC cable

3. MDI USB cable

What protocols does the MDI support?
For immediate use — At present, vehicles have two buses on the 16 pin connector
(high speed and low speed LAN). The MDI communicates using all of the existing GM protocols, the same as the Tech 2:
- Class 2
- KWP2000
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.)

Wholesale Contact Information

Skype: uuc050

How To Buy Our Products

GM MDI GDS SOFTWARE 2018 .01 2018 Latest version

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Product Reviews

Name Rating Review
Andrew Thayer (Posted on 2014-07-21)
thanks for your engineer's help. he installed it for me . very good !

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Product Consulting

hi what it the software version on this new mdi is it the very latest and is t his the newest style mdi as ive seen them for 600 dollars are they the better ones thanks
September 4, 2013
Hello,friend We provide account to install the software ,so it is the newest. I don`t kown the 600 dollars is ,maybe is same.ours is sell a lot,and no one return back. Best Regards Xcar360
the scanner is new?
October 9, 2013
Yes,it is new. Best Regards Xcar360
Do you provide Vauxhall sofware for the UK & will it be able to program Vauxhall vehicles
January 16, 2014
Yes,we can provide it ,but you should select it in ADD option. Best Regards Xcar360
This machine automatically work or I need support form original company
March 31, 2014
Hello, this machine should be activated in supplier's server. We will help you to complete that.
estou no brasil se eu comprar gm mdi voce fornece suporte para intalaçao?qual windows ele funciona?
May 15, 2014
Yes, we could help you complete the installation via Remote support.
Could you supply Holden Software for vehicles in Australia? Do we need a GM account and pay a membership when programming for TIS approval? Its very important, hope to hear from you very soon.
September 7, 2014
Hi,friend you need have account yourself. Best Regards Steven
will this do everything the tech 2 will do on uk gm cars? thanks
September 13, 2014
Yes, but it need you have GDS account now. Best Regards Xcar360
Hi, whats a gds account? and is the mdi just for the later Vauxhalls? Thanks
September 15, 2014
Hi,friend The MDI software need install from GM GDS online. So it need GM account. Our device is support Vauxhalls Best Regards Xcar360
Can I youse it on north american gm cars and trucks. Does the ac adapter support 220v. Kan I use the online GDS 2 that I have from GM now.
January 23, 2015
Hi,friend Yes, it works on GM CARS AND trcuks the adapter support 220v You can use online GDS2 with our product Best Regards Steven
moro no brasil gostaria de saber se voçês dão suporte para intalação? o aparelho vem em português?
March 17, 2015
Oi, amigo Sim, nós faremos instalação remota. e apoiar português.

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