UPDATE.....
I took off the panel on the tailgate to have a look at the wiring. Everything looked fine, but I unplugged and re-seated the camera plug anyway. Buttoned it back up and the camera was working again. We'll see if it survives today.
I have a set of used Ripp Headers with cats for the 3.8l JK. I bought them lightly used from a friend and then traded my JK for a JL before I had a chance to install them.
Asking $1000 shipped.
Dammit, encountered this problem 2days after picking up our new JLUR. Wife is not a happy camper at the moment.
ETA...
Made an appointment with local dealer for 5/30. Following the previously mentioned reset procedure did nothing to help, nor did pulling the fuse. Thought it may have...