2015 GMC Yukon

[k1970]

Hi,
This is my friend's 2015 GMC Yukon report. Could you plz help explaining the problems appeared? I could not understand all of them. Thanks.

 

[Doubeleive]

historical codes, there might be a intermittent problem with the tcm like a loose connection causing communication errors, or it could be a funky transmission temp sensor and tcm going goofy