Hey..
Happy and glad to be with U all here..
Sorry my En is not that strong or good and also if I am writing in the wrong place..
I am new HP Tuner MPVI3 but had before 2011 Sierra 3500 HD Crew Cab and hope to get some help..
GMC 2016 Yukon XL 6S AT Stock Engine
Any one plz..have a look to attached word file..
Check the steps and answer the red writing if it possible and point any error and fix it
Thank u
6L80&Cooling Fan.pdf