Quote:
Originally Posted by RWF
We have a 14 Tuscany 36 and have had an issue a couple times where the computer thought the DEF had run out but there was actually plenty. So far we have solved it by just keeping it full. Any time the dash lights show 3/4, I put more in. The lights seem to be accurate until the computer messes up then it goes back and forth between the actual level and empty. Mine has a guage on the tank also that seems to be accurate, but the key has to be on to register properly.
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On our 2019 Thor Aria the gage on the DEF tank keeps registering the level before the ignition key was turned off. When I'm filling with DEF I leave the ignition key ON.
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