EyeSpy

I purchased a new 2017 GMC Sierra SLT in late July. I started experiencing the same ‘jerking’ problem within a couple of weeks. I had two service visits not correct the problem. I returned last week (6500 miles in) to give it one more shot. They called and told me the techs could not replicate the issue. I offered to take him for a spin. Long story short, it did it one time at the very end of the drive. We kinda figured out it would happen more frequently as the truck warmed up or drove for a longer distance. The tech offered to take my truck home for the evening (insured by the dealer) so he could better diagnose the issue. Picked my truck up two days later. According to my service person, it was a problem with the ‘Shift Adaptives.’ All along they had been looking at the transmission. Not sure if these are a component of the trans, but the problem seems to have been resolved. Been driving it about 5 days now without any reoccurrence. I was ready to do a trade or blow it up... Things seem good now. I’m attaching a picture of my service agreement with the details of the work performed. Hopefully this helps someone else. Good luck!