...showed up on 2019 RTL while doing 75-80 on highway pulling camping trailer. Engine light had flashed, no overheating indication, no other lights. Slowed, pulled over, turned off RT, checked oil (OK), restarted and got off at first exit. Limp Home didn't show on restart. Checked Fault Codes and there were no active codes. Rode off an on for three days, headed home pulling camper and nothing showed up - no Limp Home. Any ideas what may have caused the Limp Home?