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.
~Erik~
2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.
Yes diesel also
still available? any info would be great thanks.
Still have?