Yep, your Precept has the Power Gear system and is very critical about fluid level.
With all jacks completely up, squat down and look, top off the tank with ATF right to the top and this problem should clear up.
2015 Jayco Precept 35UN
Towing JEEP TJ with Roadmaster plates and bar w/Blue Ox Patriot brake
an Aluma low bed trailer with HD Road King and/or Polaris RZR onboard