Regen Frequent — Possible Fault Codes

Found 2 fault codes associated with regen frequent. Codes are sorted by severity — check STOP ENGINE codes first.

SPN 3050 FMI 9

DPF Regeneration Too Frequent

International A26 • Component: Diesel Particulate Filter (DPF) / Engine • J1939

🟡 CHECK AT NEXT STOP

SPN 3226 FMI 9

DOC Inlet Temperature Sensor

Detroit Diesel DD13 • Component: Diesel Oxidation Catalyst (DOC) Inlet Temp Sensor • J1939

🟠 CHECK SOON

⚠️ Diagnostic Note: Symptoms can have multiple root causes. Always verify with a diagnostic scan tool before replacing parts. The fault codes listed above are possible matches for regen frequent based on SAE J1939/J1587 fault code definitions and OEM service documentation.