What is the process to get the rear o2 sensors turned off?

the tool will currently read the 8 speed TCM if you update it so you can send us the file to be added for tunes. mike when I scan the tcm the tool freezes on the tune load screen. I was able to pull an initial tcm file but it doesn't appear to actually be on the tool. this is the tcm file that I'm ...

awesome

that worked I was also able to get into the advanced tuning also.

here you go Zach thanks man!

anyone?

2016 GMC Sierra SLT All terrain dbl cab
Intune - S&B intake - Magnaflow exhaust - ground force 2-4 drop - and when tuning for the trans comes it will have a 5star tune

ok so I finally got a chance to flash my truck. during the tune I get the we cant do crap with your 8 speed message and I know its coming... but I select the remove speed limiter option and still get the disappointing nosedive at 98 mph. anyone have any ideas as to what the issue is? is it in the tr...