If there is a bug fix do I have to return vehicle to stock and then reload tune? or just plug tuner into vehicle?

Has anybody else had this issue I have a new 2014 gmc sierra 5.3 liter crew cab has a factory rear view camera installed the intune after I updated it of course love the response it has added to the truck but now camera won't work I went into the stereo setting on truck and the only option for the ...