International Fault Code SPN 4765 FMI 3: DOCIT Signal – Out of Range HIGH

Code details

Manufacturer

International (Navistar)

Applies to

International MaxxForce DT (2010–2019)

Fault code

SPN 4765 FMI 3

J1939 SPN

4765

FMI

3 — Voltage above normal, or shorted to high source

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 3 tells the shop the type of failure to test for: voltage above normal, or shorted to high source.
• 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 4765 FMI 3 — Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature: Voltage Above Normal, Or Shorted To High Source
• International Fault Code SPN 4765 FMI 2 — DOCIT Signal – Erratic, Intermittent, or Incorrect
• International Fault Code SPN 4765 FMI 20 — DOCIT Signal – Drifted HIGH
• International Fault Code SPN 4765 FMI 21 — DOCIT Signal – Drifted LOW
• International Fault Code SPN 4765 FMI 4 — DOCIT Signal – Out of Range LOW
• International Fault Code SPN 4765 FMI 7 — DOCIT – Not Increasing with Engine Temperature
• International Fault Code SPN 4765 FMI 10 — Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature : Abnormal Rate Of Change
• International Fault Code SPN 4765 FMI 12 — Aftertreatment 1 Diesel Oxidation Catalyst Intake Temperature: Bad Intelligent Device Or Component