Very interesting and intuitive, I'm going to steal some of this when looking at CAT trans diagnostics

Thank you. This helped me tremendously

Thanks for the in depth video , learning new things 🤙 What do you think the issue was with the TECM ?

Very good Rich

hey mr richard, a customer with a 2017 tahoe has the same issue and yesterday while filling up gas, the car wouldnt shift into D or R. Any ideas?