International (Navistar)
J1939 SPN/FMI
SPN 5298 / FMI 17
International Fault Code SPN 5298 SPN 17: Aftertreatment 1 Diesel Exhaust Fluid Pump 1 Motor Speed : Data Drifted High
SPN 5298 SPN 17 on International / Navistar trucks means: Aftertreatment 1 Diesel Exhaust Fluid Pump 1 Motor Speed : Data Drifted High. The failure mode (FMI 17) is “data valid but below normal range (least severe)”.
Code details
- Manufacturer
- International (Navistar)
- Applies to
- International A26 (2024–2025)
- Fault code
- SPN 5298 SPN 17
- J1939 SPN
- 5298
- FMI
- 17 — Data valid but below normal range (least 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 17 tells the shop the type of failure to test for: data valid but below normal range (least 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 5298 FMI 18 — Aftertreatment 1 Diesel Oxidation Catalyst Conversion Efficiency: Data Valid But Below Normal Operating Range – Moderately Severe Level
- PACCAR Fault Code P3776 — Diesel Oxidation Catalyst (DOC) Efficiency – Data Valid But Too Low
- PACCAR Fault Code P3786 — Diesel Oxidation Catalyst (DOC) Compensation Level – Too High
- PACCAR Fault Code P3807 — Diesel Particulate Filter (DPF) – Stationary Regeneration Aborted Due to Poor Regeneration Efficiency
Source: International A26 2024–2025 fault code list (Diesel Laptops). See also OBD-II codes.