4LO and 4HI lights are flashing, 4x4 will not engage

2017 Toyota Tundra, 4Lo and 4Hi lights keep flashing. When I try to put it in four-wheel-drive, I don’t even hear it trying to engage. I’ve already Unhooked the battery to see if it will reset. I’ve tried to switch it back-and-forth between 4Lo too 4Hi to see if the actuator will engage, and it will not. Does anyone have any suggestions or what I can try to do?

 

Here is a search for you.....has been covered and can be a few different issues. Look over these threads, they should be helpful.

https://www.google.com/search?q=tun...HZGiGBMQrQIoBHoECBMQBQ&biw=1920&bih=919&dpr=1