My 2012 cascadia dd15 keep getting the same code EEC 61 SPN 4364 FAULT 18 FAIL 1. i took it to the shop 3 times already couldnt seem to fix the issue. They tried everything to fix it, now they are saying we need to replace the whole dpf filter box . Please help.
DD15 emissions help!!!
Discussion in 'Trucks [ Eighteen Wheelers ]' started by avmander, Oct 20, 2016.
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Help with what? Have new box put on, get the he** down the road.
avmander Thanks this. -
If that's the "black box" or "one box" it's gonna be pricey....$10k or so.....I've been told.
Last edited: Oct 20, 2016
avmander Thanks this. -
That code is a SCR NOX Conversion Low. I'd say 85% of the time this is due to a failed SCR in the one-box. Could be a lot of things, but if they've checked everything and not found anything, an internal failure of the SCR is most likely.
avmander Thanks this. -
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You're getting the code because your OTR regen is failing. -
The catalyst is no longer active / contaminated and or DEF fogging is insufficient. DEF problems are repairable fairly cheap. The catalyst side is very expensive. Detroit now is allowing for a scrubbing of the DOC faces plus vacuuming the contaminants (there's an actual Detroit vacuum tool). There is also another option that Detroit is now allowing and that is a "burn off" for the DOC. The truck computer system needs to be updated for this. If this does not work you will need to replace the 'one box'.
avmander Thanks this. -
Thanks for the reply
Freightliner ended up replacing the DPF filters and that seemed to solve our problem and since then i had no issues so far. -
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