Is the def quality on a 2011 LML bad?
Is the def quality on a 2011 LML bad? The 'DEF quality' fault was very common on 2011 lml's. However, with 100's of trucks that have been posted about on the forums, rarely, if ever, has some reported that the dealer actually tested the def and found it to be bad. Yes there is a (cheap) device to test it. Why do I get a Def poor message? Def poor seems to be an uncommon message now, with the new sensors in the LML's and presumably an updated sensor in the L5P. But there are many many threads about the...