International Fault Code SPN 3610 FMI 4: Aftertreatment 1 Diesel Particulate Filter Outlet Pressure: Voltage Below Normal, Or Shorted To Low Source

Code details

Manufacturer

International (Navistar)

Applies to

International A26 (2024–2025)

Fault code

SPN 3610 FMI 4

J1939 SPN

3610

FMI

4 — Voltage below normal, or shorted to low source

Truck models in source

3200, 4100, 4300, 4400, 7300, 7400, 7500, 7600, 7700, 8500, 8600, BE 200, CE Bus, CXT, DuraStar, LoneStar, MXT, ProStar, RXT, TranStar, WorkStar

What to do next

• Read active and inactive codes with the OEM service tool (Diamond Logic Builder can clear previously active codes) and note the occurrence count.
• FMI 4 tells the shop the type of failure to test for: voltage below normal, or shorted to low source.
• Have a heavy-duty diesel technician confirm the fault against the engine or chassis service manual before replacing parts.

Related fault codes

• International Fault Code SPN 3610 FMI 10 — Aftertreatment 1 Diesel Particulate Filter Outlet Pressure: Abnormal Rate Of Change
• International Fault Code SPN 3610 FMI 16 — Aftertreatment 1 Diesel Particulate Filter Outlet Pressure: Data Valid But Above Normal Operating Range – Moderately Severe Level
• International Fault Code SPN 3610 FMI 2 — Aftertreatment 1 Diesel Particulate Filter Outlet Pressure: Data Erratic, Intermittent Or Incorrect
• International Fault Code SPN 3610 FMI 3 — Aftertreatment 1 Diesel Particulate Filter Outlet Pressure: Voltage Above Normal, Or Shorted To High Source
• PACCAR Fault Code P3766 — DPF Outlet Pressure – Voltage Too High or Short Circuit to Supply on ECU (D442) Pin (11)
• PACCAR Fault Code P3767 — DPF Outlet Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D442) Pin (11)
• PACCAR Fault Code P3768 — DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, At Ignition ON or OFF
• PACCAR Fault Code P3769 — DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, During Operation on ECU (D442) Pin (11)