International (Navistar)
J1939 SPN/FMI
SPN 132 / FMI 3
International Fault Code SPN 132 FMI 3: Engine Intake Air Mass Flow Rate: Voltage Above Normal, Or Shorted To High Source
SPN 132 FMI 3 on International / Navistar trucks means: Engine Intake Air Mass Flow Rate: Voltage Above Normal, Or Shorted To High Source. The failure mode (FMI 3) is “voltage above normal, or shorted to high source”.
Code details
- Manufacturer
- International (Navistar)
- Applies to
- International A26 (2024–2025)
- Fault code
- SPN 132 FMI 3
- J1939 SPN
- 132
- 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 132 FMI 3 — MAF Signal – Out of Range HIGH
- International Fault Code SPN 132 FMI 0 — Engine Inlet Air Mass Flow Rate High
- International Fault Code SPN 132 FMI 1 — Engine Inlet Air Mass Flow Rate Low
- International Fault Code SPN 132 FMI 11 — MAF Sensor Calibration – Insufficient Number of Data Points
- International Fault Code SPN 132 FMI 13 — MAF Sensor – Calibration Needed
- International Fault Code SPN 132 FMI 14 — MAF Sensor – Calibration Failed
- International Fault Code SPN 132 FMI 31 — MAF Frequency – Not Detected
- International Fault Code SPN 132 FMI 4 — MAF Signal – Out of Range LOW
Source: International A26 2024–2025 fault code list (Diesel Laptops). See also OBD-II codes.
