I have a 2018 T680 with a check engine light on the two codes are. Spn

Spn 3556 Fmi 18. SPN 3936 FMI 18 and SPN 3251 FMI 21 YouTube SPN 3556 indicates the DOC outlet temp is does not reach or goes over the expected temprature It has to do with a spark plug but that may just be a side issue

1 5 18-14 SUBJECT DATE SPN 3556/ FMI 1 and 18 (ACM) (EPA10) and SPN 3556/ FMI 0, 1,18 (ACM) (GHG14) May 2014 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 DD Platform SPN 3556/ FMI 1 - EPA10 The diagnostics for these fault codes have been revised and separated by emission year. 7 03-14 All information subject to change without notice

Freightliner Cascadia DD13 DD15 DD16 limpieza de injector doser

Spn 3556 Fmi 18 problem code is about Doc Outlet Temp Low (low Temp Regen): Aftertreatment 1 Hydrocarbon Doser Data Valid But Below Normal Operating Range - Moderately Severe Level; Diesel Oxidation Catalyst Outlet Temperature Low (Low Temp Regeneration) SPN 3556 /FMI 18 3 SPN 3556/FMI 18 - GHG14 Diesel Oxidation Catalyst Outlet Temperature Low (Low Temp Regeneration) Table 2

I have a 2018 T680 with a check engine light on the two codes are. Spn. SPN 3556 (ACM) (EPA10) July 2014 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change DDC-SVC-MAN-0084 DD Platform SPN 3556/FMI 1 - EPA10 The diagnostics have been updated to include DOC face plugging as a possible cause Diagnostics lead to rather a bias/bad temp sensor or an inoperative HC (hydrocarbon) Doser System

FreightlinerCascadia DD15 fault code 3556 fmi 18 or SPN 3556 18 YouTube. The real problem may be soot build up in the inlet section of the DPF filter It is common for it to carbon up inside the down pipe