International (Navistar)
J1939 SPN/FMI
SPN 2791 / FMI 3
International Fault Code SPN 2791 FMI 3: EGRV Supply Voltage is Too HIGH
SPN 2791 FMI 3 on International / Navistar trucks means: EGRV Supply Voltage is Too HIGH. The failure mode (FMI 3) is “voltage above normal, or shorted to high source”.
Code details
- Manufacturer
- International (Navistar)
- Applies to
- International MaxxForce DT (2010–2019)
- Fault code
- SPN 2791 FMI 3
- J1939 SPN
- 2791
- FMI
- 3 — Voltage above normal, or shorted to high 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 3 tells the shop the type of failure to test for: voltage above normal, or shorted to high source.
- Have a heavy-duty diesel technician confirm the fault against the engine or chassis service manual before replacing parts.
Get this code diagnosed
Send one request and nearby diesel shops and mobile mechanics can quote the repair.
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Related fault codes
- International Fault Code SPN 2791 FMI 3 — Engine Exhaust Gas Recirculation 1 Valve 1 Control 1: Voltage Above Normal, Or Shorted To High Source
- International Fault Code SPN 2791 FMI 12 — EGR Valve – Internal Self Test Fault
- International Fault Code SPN 2791 FMI 14 — EGR Valve – Initialization Fault
- International Fault Code SPN 2791 FMI 2 — EGR Valve Communication Fault
- International Fault Code SPN 2791 FMI 4 — EGRV Supply Voltage is Too LOW
- International Fault Code SPN 2791 FMI 7 — EGR Valve – Unable to Achieve Commanded Position
- International Fault Code SPN 2791 FMI 8 — EGR Valve – Not Receiving ECM PWM Signal
- International Fault Code SPN 2791 FMI 12 — Engine Exhaust Gas Recirculation 1 Valve 1 Control 1: Bad Intelligent Device Or Component
Source: International MaxxForce DT 2010–2019 fault code list (Diesel Laptops). See also OBD-II codes.
