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I use mine all the time doing a lot of work off road, plus airing down to help prevent tearing up yards or breaking down the edges of asphalt driveways. I did however go with a manual setup on top of the auto controller, so I typically leave my controller unplugged so I can regulate my tires...

What are the lights on the controller doing? Guessing you have leaks, causing it to time out with 5 flashing lights.

Sorry, I gave you the wrong location for the front CTIS QR valve. It’s on top of the crossmember at the end of my screw driver in the photo. Valve under the crossmember is the brake valve.

The noise in the video is your CTIS doing a pressure check. Air is released from the QR vale under the radiator crossmember as well as inside the drivers frame rail above each rear axle. To confirm, with the truck powered down, unplug the cannon plug from the controller mounted on the shift tower.