International Fault Code SPN 1569 FMI 15: Engine Protection Torque Derate: Data Valid But Above Normal Operating Range – Least Severe Level

Code details

Manufacturer

International (Navistar)

Applies to

International A26 (2024–2025)

Fault code

SPN 1569 FMI 15

J1939 SPN

1569

FMI

15 — Data valid but above 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 15 tells the shop the type of failure to test for: data valid but above normal range (least severe).
• Have a heavy-duty diesel technician confirm the fault against the engine or chassis service manual before replacing parts.

Related fault codes

• International Fault Code SPN 1569 FMI 0 — Engine Protection Torque Derate: Data Valid But Above Normal Operational Range – Most Severe Level
• International Fault Code SPN 1569 FMI 16 — Engine Protection Torque Derate: Data Valid But Above Normal Operating Range – Moderately Severe Level
• PACCAR Fault Code P2104 — Engine Protection System – Warning Active