Working on a 2005 K1500 Sierra (5.3L) 1 MB, LS1B, and trying to turn on lean cruise. I looked at the CAX files out there but didn't see one which matched this trucks OS (12606961). Does anyone happen to have a CAX lean cruise file which works with this OS? I am attaching the tune file in hopes that another CAX file might also work with it. There is a OS 12606960 listed, but not quite sure if it will work or not.
One other somewhat odd thing is that the Tune Depot does not list this OS for 2005. For 2005, OS's show up as 12592618.
Thanks,
Darren