Transmission, yellow, warning light

[VolklRunner]

Question, I was backing up my toy hauler, which is 8000 pounds fully loaded, I was on wet grass, so I threw it in four-wheel-drive just so I wouldn’t slip around, as I was backing up maybe 80 yards given it gas then not then given a gas then not, as I went to pull forward, my yellow transmission line came on. I’m like really did it slipping? Are you serious? I’m 10 hours away from home so I’ll drive it as of now there’s no limp or anything weird going on. Any ideas? 20 2684 2500 diesel
Any ideas?

 

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[R467X]

Hook up a bidirectional scanner and run it for codes. Can't help without seeing what the code is

 

[VolklRunner]

Sounds good the truck reset itself. But I will mention it to the shop at the next oil change.