Sorry to hear of the trouble you are experiencing, @AKPaladin. If you are unable to determine the cause of this with the assistance of fellow forum members, I suggest connecting with your local certified Ram dealer as they are in the best position to assist. Please know that we are available via private message if you are in need of any further support with that process.This started happening about two weeks ago. I turned my truck on, '16 1500, and the rear sensors posted "Service ParkSense Sensors" on the dash. Having never seen it before, I got out and wiped them free of snow and dirt, got back in and the message hadn't cleared. Fast forward to now, I've disconnected all the rear sensors, plugged them all back in one by one to try and rule out single sensor. No joy. The front sensors all work fine, even disconnecting one of them doesn't throw a fault for the front, the rest just keep on working. Sometimes when I'm lucky the truck will start without an error, but as soon as I drop it into reverse the rear sensors immediately start screaming at me and then error out with the same service message. I've reseated the leads from the parking module behind the kick plate. Nothing. Anyone ran into this issue or something similar?