International (Navistar)
J1939 SPN/FMI (body controller)
SPN 2023 / FMI 9
International SA 33 SPN 2023 FMI 9: EGC Data Link Comm. Failure
SA 33 SPN 2023 FMI 9 on International / Navistar trucks means: EGC Data Link Comm. Failure. The failure mode (FMI 9) is “abnormal update rate”.
Code details
- Manufacturer
- International (Navistar)
- Applies to
- International / Navistar body controller (ESC) and multiplexed modules
- Fault code
- SA 33 SPN 2023 FMI 9
- J1939 SPN
- 2023
- FMI
- 9 — Abnormal update rate
- Reporting module
- Body Controller (source address 33)
- Component / signal
- Gauge Cluster
- 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
- Logical signal
- J1939DT_Rcv_61184_033_ 023_Timer
Cause and when it sets
Cause: Faulty EGC or Drivetrain Data Link
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 9 tells the shop the type of failure to test for: abnormal update rate.
- 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 SA 23 SPN 2023 FMI 3 — Fault on Analog Input 4 above normal when used for ambient light
- International SA 23 SPN 2023 FMI 4 — Fault on Analog Input 4 below when used for ambient light
- International SA 23 SPN 2023 FMI 11 — Message ignition and switched ignition do not match.
- International SA 23 SPN 2023 FMI 12 — Failure of non-volatile memory or checksum fault
- International SA 23 SPN 2023 FMI 6 — Short detected in the panel dimmer
- International SA 132 SPN 2023 FMI 14 — Auxiliary Gauge Switch Pack #3 (address 132), lost communication with ESC.
- International SA 132 SPN 2023 FMI 14 — Auxiliary Gauge Switch Pack #3 (address 132). Datalink ignition signal does not match the hardwired ignition signal.
- International SA 132 SPN 2023 FMI 14 — Auxiliary Gauge Switch Pack #3 (address 132) gauge location 1, sensor fault.
Source: Navistar service manual S08327 "Body Controller Diagnostic Trouble Codes" (10/22/2009), page 13. See also OBD-II codes.
