Customer Review on GM Tech2 Scanner

Tech2 Diagnostic Tool for Gm/Saab/Opel/Suzuki/Isuzu/Holden

This is what the GM service technicians use or would’ve used to service your car. No, not just a code reader. It is the most valuable service/ maintenance tool. I would certainly be willing to spend $450 to get the capabilities that tool offers. (including 5 memory card)

I wound up purchasing a refurbished Dell Lap Top with Win XP just for the TIS2000 program and I can also use the laptop to view real time data as it’s wired up in between the Tech II and the car.

There are multiple levels of diagnostics that require a GM Tech2 scan tool to do that you cannot do with a code scanner. It helped find a misfire issue on a C5 Z06 which turned out to be bad valve springs. Next day l used it to verify ABS issues on a Suburban and initiate a throttle position relearn on a Tahoe.

I have used this Tech 2 to do a couple crank senor relearns. and recently did the Brake bleed on my 99 with Active Handling !!!!!

I have not done any reflashing with my clone GM Tech 2.  As far as I have learned by now is that the main use of TIS2000 is to update an existing PCM or flash a replacement (new) PCM .

As far as I also have learned you download files for your VIN from ac delco site by means of the TIS2000 first . Then you copy these files from the pc into Tech2 memory . Afterwards you connect the Tech2 to the OBD2 plug in car and update according to correct procedure . I hope you can confirm if this is correct ….

I can´t see any problem with reflashing the PCM using this clone.

Still testing the scanner and will keep updating review…

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