u/Conscious_Yellow_474

We bought a used Gold Certified 2024 SR5 with about 40,000 miles on it about 3 months ago, it’s been great. I was walking out of the house this afternoon and heard a weird buzzing sound coming from underneath the left rear corner, I crawled under and found that it was coming from this box. Started the truck and it fired up and ran normally, shut it off and the buzz was gone. Wife drove it in the morning and everything was fine. We’ve got and appointment with the dealer we bought it from but just wanted to check if anyone had any insight?