International Fault Code SPN 175 FMI 7: EOT Not Warming Along with Engine

Code details

Manufacturer

International (Navistar)

Applies to

International MaxxForce DT (2010–2019)

Fault code

SPN 175 FMI 7

J1939 SPN

175

FMI

7 — Mechanical system not responding or out of adjustment

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 7 tells the shop the type of failure to test for: mechanical system not responding or out of adjustment.
• Have a heavy-duty diesel technician confirm the fault against the engine or chassis service manual before replacing parts.

Related fault codes

• International SA 33 SPN 175 FMI 0 — Engine Oil Temp Sensor reading above normal range
• International SA 33 SPN 175 FMI 1 — Engine Oil Temp Sensor reading below normal range
• International Fault Code SPN 175 FMI 15 — Engine Oil System Above Warning Temperature
• International Fault Code SPN 175 FMI 2 — EOT Signal – Erratic, Intermittent, or Incorrect
• International Fault Code SPN 175 FMI 3 — EOT Signal – Out of Range HIGH
• International Fault Code SPN 175 FMI 4 — EOT Signal – Out of Range LOW
• International Fault Code SPN 175 FMI 14 — Engine Oil Temperature 1: Special Instructions
• International Fault Code SPN 175 FMI 15 — Engine Oil Temperature 1: Data Valid But Above Normal Operating Range – Least Severe Level