Kalait, one thing to check is that your in-tank sensor is not fouled by remaining materials in the tank such as toilet paper getting hung up on the hardware inside the tank. If you can, insert a wand style high pressure spray head into the toilet and direct it toward the sensors if you can find where they are located. You can make a wand with some simple pvc parts from the hardware plumbing department. Drill tiny holes for the “nozzles”.
Next I would look for loose connections or torn wires underneath from road debris.
I do not know about your specific MH but your sensor system may have self-diagnostics. Read the manual if you have one or go online to the maker of the sensor system and see if they have diagnostics for their system available. Check for youtube videos with your same issue and you may get some more details about your system. Good luck.