Sounds like the trap just may be the culprit. I'll check for an access panel when I get home. Took a quick look while away and didn't see anything.
2013 Jayco Eagle 328 RLTS
2012 Ford F250 6.2L 4x4 CCSB W/Air Lift air bags
2002 Coleman Bayside Elite (traded)
Me, Momma and Charles (RIP buddy)
And introducing Sofie!! ;)