Navistar MaxxForce DT Diagnostic Manual page 86

DIAGNOSTIC MANUAL
Step
6 Using Electronic Service Tool (EST) with ServiceMaxx™
software, check Diagnostic Trouble Code (DTC) list for SPN
3719 FMI 0 or 16 (DPF Soot Load).
Is SPN 3719 FMI 0 or SPN 3719 FMI 16 the only fault code(s)
active?
82
Action
https://www.truck-manuals.net/
Decision
Yes: Go to Symptom 3 (Heavy Duty):
SPN 3719 Active Only or Frequent
Regens page 96.
No: Go to Symptom 4 (Heavy Duty):
SPN 3719 and Other Active Fault
Codes page 104.