We need to start with finding out if it is ever actually going into 4WD and then back out. If the indicator is truly flashing for 6 minutes before it shows 2WD then that is not normal.
It sounds like we have a possible actuator issue, but we need to check the voltage going to it and make sure we have proper voltage.
If we do, then I would replace the actuator.
https://www.2carpros.com/articles/how-to-check-wiring
I attached the wiring diagram below which will help with this so let me know what questions you have, and we can go from there.
Thanks
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Sunday, May 1st, 2022 AT 9:53 AM