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International Automotive Technicians Network
Re: Options for reprogramming ecu?
Posted to HD/Fleet Forum on 6/14/2011

Not sure this'll help you but last week I reflashed a 2008 GMC W35 Really an Isuzu (NPR?) 6.0L gas with no difficulty using Tis2Web and Tech-II J-2534 option. Worked fine and fast. I have had a fair amout of trouble with pass-thru on many GMs.

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