This is a repository of knowledge: Based around the 2018+ Jeep Wrangler JL platform canbus gathered by a number of people on the jlwranglerforums.com forum For more details, see the following link:
We have a spreadsheet of identified Can ID's and data, maintained on Google Docs:
https://docs.google.com/spreadsheets/d/16ypMADKinBBnH1pOY4-gMmVRjeR85fYplpV12aCHJC4
Please use this information at your own risk!