Hello,
It sounds like the issue could be with the transfer case actuator.
There was a service bulletin for the transfer case actuator. It was for similar issue that you are having.
This will require checking of the wiring harness.
https://www.2carpros.com/articles/how-to-check-wiring
I have attached the service procedure for that service bulletin below.
Please let me know of any questions.
Thank you.
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Monday, November 8th, 2021 AT 8:44 AM