DEF Alarm

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mrbb

Well-known member
Joined
Jul 19, 2016
Messages
494
bad DEF fluid
it goes bad you know , and or contaminated fluid, emissions system issue's
could be a bunch of things
I'd start with the simple
drain and refill and disconnect battery for a while and let sit, reconnect battery, and then see what happens!
 

foton

Well-known member
Joined
Mar 1, 2018
Messages
1,277
there should be a use by date on the def bottle. as crusty as that stuff is check the float ( i assume it has one) in the bottle to see if it is stuck down, If it is floating on top it should be ok. you by chance did not turn it off when it was in a cleaning cycle, if so it is off to the dealer I think. If it will let you can you try a running a manual cleaning cycle , maybe doing that it will clean itself out. good luck
 

mrbb

Well-known member
Joined
Jul 19, 2016
Messages
494
if it was shut off in a RE GEN< sometimes you can get away with disconnecting battery for a few hours and hooking back up, other wise as stated, a dealer might be needed to clear things to get it to start again!
 
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