International (Navistar)
J1939 SPN/FMI
SPN 111 / FMI 1
International Fault Code SPN 111 FMI 1: ECL Below Warning / Critical Level
SPN 111 FMI 1 on International / Navistar trucks means: ECL Below Warning / Critical Level. The failure mode (FMI 1) is “data valid but below normal operating range (most severe)”.
Code details
- Manufacturer
- International (Navistar)
- Applies to
- International MaxxForce DT (2010–2019)
- Fault code
- SPN 111 FMI 1
- J1939 SPN
- 111
- FMI
- 1 — Data valid but below normal operating range (most severe)
- 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 1 tells the shop the type of failure to test for: data valid but below normal operating range (most severe).
- 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 111 FMI 1 — Engine Coolant Level 1: Data Valid But Below Normal Operational Range – Most Severe Level
- International Fault Code SPN 111 FMI 2 — ECL Signal – Erratic, Intermittent, or Incorrect
- International Fault Code SPN 111 FMI 3 — Engine Coolant Level 1: Voltage Above Normal, Or Shorted To High Source
- International Fault Code SPN 111 FMI 4 — Engine Coolant Level 1: Voltage Below Normal, Or Shorted To Low Source
- Cummins Fault Code 235 — Engine Coolant Level Low - Critical
- Cummins Fault Code 235 — Engine Coolant Level Low – Critical
- Cummins Fault Code 422 — Engine Coolant Level Sensor Circuit - data incorrect
- PACCAR Fault Code P1560 — Coolant Level – Data Valid But Too Low, Moderately Severe
Source: International MaxxForce DT 2010–2019 fault code list (Diesel Laptops). See also OBD-II codes.
