My 2019 RAM 1500 Big Horn backup camera is cloudy. It started about 2 days ago, initially I thought it was just dirty but after cleaning the lens it was not dirty at all. I inspected it for moisture and it does not seem to have any moisture in it, no plastic film over the lens, no dirt or anything. It worked fine and was crystal clear one minute and the next was so blurry/cloudy you can't make anything out on it. Any suggestions as to where I should start checking? Any help would be greatly appreciated.