I have a (01)2500 silverado with 6.0 I'm trying to move the shift points down at WOT because of a rev limiter I set at 4500rpm I changed parameters D0910-D0912 for 1>2 and D0915-D0917 for 2>3 also I changed D0940-D0952 And still I cant get the shift points for WOT below the rev limiter .Any help will be great.