We stopped being able to access the ECMs on most of the 2019 models. For the 2020+ models and beyond, we cannot gain access to the ECM or TCM. HPTuners has been able to gain access to the ECM on the 2019 and 2020 models I believe, but not sure if they can do anything for the 2023 models. It's...
Thank you for contacting us. We would love to help you out but unfortunately, we are unable to tune the 2023 models. Due to GM's enhanced security measures, EFILive cannot gain access to the ECM.
Hello Coleman, welcome to the forum from Coeur D'Alene, Idaho! You have come to the right place for questions and advice. There are lots of knowledgeable folks here. We love pictures so post some pictures of your Yukon when you get a chance.
We would love to help you out with the tuning! The best way would be to purchase our AutoCal, download the current tune files from the vehicle, and do a data log. When sending in the files, you can provide us with the cam specs and any other pertinent information related to the swap. Then you...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.