Im not sure how they go from gas to diesel you would need to find out for sure , but its the professional version v2 with 1 ecm and 2 tcm credits remaining
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If it has the GM Tuning option enabled, then it works on both GM gas and GM diesel trucks. To tune Cummins, you would need to purchase that tuning option separately at anytime down the road.
Yes diesel also
still available? any info would be great thanks.
Still have?