2019 GMC Crew short box Max Tow two weeks old 561 miles. We towed the 8.000 lbs. travel trailer 30 miles to the lake and I couldn't ask for a better truck.Until on the way out of the campground I was waiting in the sewer dump line and the truck shut off and the auto shut down was already disabled by the switch. The DIC was throwing warnings faster than I could read them. Reduced Engine Power, Service vehicle soon, I called on star on the demo time period and the scanned it saying "Engine out of spec" "Transmission not performing to spec". And "Battery power low". The push button start was green but would not start the engine. And all the accessories was on Radio,clement control, windows and door locks would work. i had a friend pull me out of the sewage line and he took my trailer home with my unhappy wife and two dogs. While awaited the tow truck to the dealer I was trying to reset the push button start to at least shut it off to save the battery and I held it in for about 20 seconds and the green led on it went out. I the attempted to start it and it fired right up. Still showing a check Engine light in the Tach. window. It drove up on the roll back and off the roll back at the dealer.
I will be at the dealer service department 8 am tomorrow to try to get it straightened out.