Hi Yesterday got change my def filter at speedco, after 12 mile the check engine and the solid engine light came the the code eec61 diag 1 took .
Fault code EEC 61 is telling the driver there is a problem with Aftertreatment system. Since this is a 2013, depending on the mileage, this truck .
Fault codes associated with Selective Catalyst Reduction (SCR) NOx … What does ‘SCR NOx conversion efficiency low’ mean on Detroit Diesel DD13, DD15, DD16? … EEC 61 means Aftertreament Control module (ACM).
Follow these guidelines to check for fault codes on any Freightliner Cascaida with a DD15 engine. Key on, Engine off. Placed unit in neutral. Locate.
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