There are 3 fuses that run the system I would check first: CLUSTER A and MODULE 1 in the fuse panel inside the car, and 4WD fuse in the ER fuse panel.
This guide can help you check the fuses:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Also, I would run the codes to see if any are stored.
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
If there are no codes and the fuses are okay here is how to change the clutch control motor for the coupler and how to reset the operation of the motor as well. Also, I have included the wiring diagrams for the system so you can see how it works. Check out the images (below). Please upload pictures or videos in your response of the problem so we can see what's going on.
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Tuesday, January 30th, 2024 AT 11:19 AM