Well that was ... interesting. The good news is that the coach is running fine. And we had a good experience with GS ERS. Called 8am Monday and by 10:30am the tow truck was there (Interstate Towing). Guy was super nice and explained to by extra curious 6 yo son how he did everything. We got to ride in the truck and they took us to Mainline Truck and RV who saw us only about an hour after we arrived.
The mechanic ran all sorts of scans / tests and found no stored codes and couldn't repeat the problem. He drove it around for 32 miles and had no issues. So we got back on the road and had no troubles for the rest of our stops, and got home yesterday.
Still scratching my head but for now I'm not letting it idle for awhile in Park. When I get it to storage I'm going to let it set in idle and see if I can repeat it that way. Otherwise maybe that was a freak thing...
