Focus Won't Work (auto or manual) any lens

The focus doesn't work on my camera in auto or manual and with any lens. The focus ring turns, but nothing happens with the sharpness of the image. The selection dial on the back is also completely unresponsive, and it periodically gives the instruction to turn off and back on. I've cleaned it, reset it, and updated the software with no change. I opened it up and reseated cables with no change. I go to Tanzania at the end of January so I don't have a ton of time to mess around with replacing parts before just calling it, but am open to repair.