Hey guys, Im looking for a stock tune for a 2009 LMM 3500HD 4x4 ext cab long bed, climate control. Truck had DSP5 tune in it already so I dont have the stock tune to modify. Tried using a 2009 DSP5 tune with a 8594 OS similar to the truck and now truck goes into reduced power mode right away. All DPF, EGR and EGT sensor codes and tests have been eliminated. No trouble codes whatsoever. Truck was running fine until the reflash. I figure one or more of the segments are different in the operating system and giving us fits. VIN is 1GCHK89609E155974 if anyone has means of getting one that way. Thanks a lot.