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Junior Member
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14 Posts
Discussion Starter #1
I have a OTC Pegysis scan tool - is there a way to use the VCI portion of the tool along with a pc to re-program the tune stored in the ECM?
 

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CRAZY CANUCK
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4,320 Posts
I have no idea, the only two units that I know are capable of tuning a duramax ECM are EFI live and HP tuners
 
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