Whenever this stuff happens intermittently, try and capture video (safely) to show exactly what is going on.
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Here is a video:I have the same issue with my 2018. The transfer switch is blinking the gear and my aux switches are blinking blue to amber in the off position.
It appears to be stuck in 4H. The flashing 2H indicator means there should be DTCs stored in the TCCM.Here is a video: