obd2lily

tech2 is being phazes out, the [URL="https://www.obd2tool.com/goods-6981-High+Quality+GM+MDI+GM+Scan+tool+Plus+Lenovo+E49AL+Laptop.html"]GM MDI[/URL] as stated above will replace it fully very shortly, you can use tech2win for older vehicles, GENERALLY anything with the new style flip keys from general motors will require the MDI with GDS2 software. so those clone tech2s will be useless on both cruze’s you plan to work on. they may or may not work with the 07 silverado, depending if they have the CANDi module
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You do not need the MDI interface, Cardaq has a GM dongle that is approved by GM for Tech2win and GDS 2-$500 dollar cable and a subscription to GDS 2 and you have both From [URL="https://www.obd2tool.com/"]www.obd2tool.com[/URL]. FYI they have short term subscriptions too. Tech2win does have some issues still but should get you what you need.
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FYI DO NOT BUY A TECH2 CLONE and expect to program with it you will regret it.
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HPT can only work with ECM and TCM.
Tech 2 can work with ABS, BCM, etc.
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But, Tech 2 can only change/do stuff GM intended where HPT can change all kinds of tables GM wouldn’t want us messing with.
So both have pluses/minuses depending on what you want to do.
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You can say that, Tech2win is a pain the the butt. It never updates security correctly for the 30 day window and that using GM computers and login info. The [URL="https://www.obd2tool.com/goods-1568-GM+Tech2+GM+Scanner+-CANdi++TIS+%28Works+for+GMSAABOPELSUZUKIISUZUHolden%29.html"]gm tech 2[/URL] is great for code reading, viewing data. The MDI is pretty much only used for programming but its needs on certain 10+ platforms and all 15+ to view data through GDS. All MDI functions require a GM subscription.
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[URL]http://avdicommander.com/2018/08/06/the-tech2-is-being-phazes-out/[/URL]