881319T Mariner BODY

Table 1
J1939 Code and Description CDL Code and Description Comments
3031-17
Aftertreatment #1 DEF Tank Temperature : Low - moderate severity (2) E1398 (1)
Low Aftertreatment #1 DEF Tank Temperature #1 The Electronic Control Module (ECM) has detected a failure in the DEF line heating system. ECM has purged and turned off a DEF pump to protect the pump from freezing. Continue with this troubleshooting story to identify the DEF heated line at fault.
4354-5
Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 : Current Below Normal 3110-5
Aftertreatment 1 Diesel Exhaust Fluid Line Heater 1 : Current Below Normal This code indicates that there is a problem with