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CnAutotool-China Car diagnostic tool center

tech2 tagged posts

GM MDI vs GM Tech2 Diagnostic Tool: Vehicle Coverage and Functions

I have both GM Tech2 and GM MDI interface, I’ll chip in with my experience and give you some tips if you have a GM and consider buying a tool for it.

Cloned GM MDI interface:
MDI/GDS2 is used on C7 Vettes, and other vehicles prior to 2014 (for example, Chev Cruze starting in 2011 uses MDI, as well as others).

Cloned GM Tech 2 scan tool:
I use the Tech2 on my 427 vert as well, and it does everything stand-alone except module recalibration (programming or ‘flashing’).

By the way , There wasn’t a single all-inclusive model year where they cut over from the Tech2 to MDI for all GM models. It had more to do with platforms that were more-or-less fresh designs or clean-sheet designs after about 2008 or so.

Why MDI interface is more preferable for GM?
Flash faster: MDI & GDS2
As for why ...

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GM TECH2 CANDI Interface Instructions and Self-testing

As we all know GM Tech2 is famous auto diagnostic scanner in the market , when you use this machine , you will find that Candi interface is important work with this tool .

So what is the candi interfact ? It is an in-line cable module that works with existing Tech 2 components including the VCI, cables and adapters.

Then what is candi module ? It’s fully compatible with current and past Tech 2 software. The module powers up in a way that makes it transparent to the user. This allows the existing Tech 2 software to be used with no changes when the CANdi module is installed. If a vehicle requires the use of a CANdi module, the Tech 2 clone will enable features specific to the module.

Supports simultaneous communications on three CAN buses

Provides high-speed UART communications with the ...

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How to Solve the Problem for GM MDI

There have many situations cant use GM MDI , when you have some troubles to use the tool ,  you should reboot the MDI software and do the Self Test first . Please check the bellowing 4 issues for GM MDI :

1. “MDI DOES NOT PASS SELF TEST”

If you meet this problem, it indicates that there is an internal problem in the MDI, you need to connect the MDI to a PC by using the USB and do the software recovery procedure or you can contact your local customer support center for help.

 

2. “MDI ERROR LED LIGHTS AFTER POWER ON”

This condition indicates that during power on, there has detected a problem...

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GM Tech2 GM Scanner -CANdi & TIS with Cheapest Price on Cnautotool

The original gm tech 2 scanner is very expensive with more than 2000USD. So people like to purchase the cheaper clone one from China. But they usually feel skeptical at first. Will it work the same as the original one with all function? After they purchase, most of them will be great satisfied with it and will recommend it to the others even for the gm dealership worker. Actually it can do almost the same as the original. They test it on every platform, programming, system scans, live plot, remote function etc. and it did everything as they want to do as a tech 3 is supposed to do. So they can save a lot of money. But for the programming function, tis2000 in the package can not support offline program before 2008. If you have the original account, then this clone tech 2 scanner can work t...

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