DGBPokes; it might be too late but, we had issues similar and were lucky and caught it before it overflowed, problem - the rinse hose was caught UNDER the pedal just enough to not let the valve fully close. Just a reroute of the rinse hose solved the problem.
2012 Journey 40U (Our Incredible Journey)
2008 Dodge Dakota
2004 Subaru Baja