Detroit DD13 EPA07 (2007-09) Fault Code: SPN 3719 FMI 31 (ACM) Diesel Particulate Filter Regeneration Lamp Is Flashing in ” Regen Zone 2″

NOTE: Silent code that logs when the diesel particulate filter regeneration lamp is flashing in ” Regen Zone 2″. This code is informational only and used by service to help understand which dash lights illuminated during normal service. A stationary regeneration is required if the fault code is active. No action is required for an inactive fault code.

NOTE: This is a silent code that logs when the DPF is in “Regen Zone 2”. If this code is staying active you need to perform a regen.