International (Navistar)
J1939 SPN/FMI
SPN 3464 / FMI 31
International Fault Code SPN 3464 FMI 31: Intake Throttle Valve Short Circuit Fault
SPN 3464 FMI 31 on International / Navistar trucks means: Intake Throttle Valve Short Circuit Fault. The failure mode (FMI 31) is “condition exists”.
Code details
- Manufacturer
- International (Navistar)
- Applies to
- International MaxxForce DT (2010–2019)
- Fault code
- SPN 3464 FMI 31
- J1939 SPN
- 3464
- FMI
- 31 — Condition exists
- 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 31 tells the shop the type of failure to test for: condition exists.
- 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 3464 FMI 11 — ETC Operation Fault
- International Fault Code SPN 3464 FMI 3 — ETC – Short to PWR
- International Fault Code SPN 3464 FMI 4 — ETC – Short to GND
- International Fault Code SPN 3464 FMI 4 — Engine Throttle Actuator 1 Control Command: Voltage Below Normal, Or Shorted To Low Source
- International Fault Code SPN 3464 FMI 5 — Engine Throttle Actuator 1 Control Command: Current Below Normal Or Open Circuit
- International Fault Code SPN 3464 FMI 9 — Engine Throttle Actuator 1 Control Command: Abnormal Update Rate
Source: International MaxxForce DT 2010–2019 fault code list (Diesel Laptops). See also OBD-II codes.