He's full of it. The sensors have been problematic (your dealer knows this) and he needs to replace yours. BTW, he would have said the same thing no matter where you got the DEF. Did you notice he asked you where you got it rather than just tell you Walmart fluid is junk?
About Technical Issues
Having RV issues? Connect with others who have been in your shoes.24,187 PostsLatest Activity: Jan 14, 2025