International (Navistar)
J1939 SPN/FMI (body controller)
SPN 639 / FMI 14
International SA 33 SPN 639 FMI 14: Communication fault (from PP3 to ESC)
SA 33 SPN 639 FMI 14 on International / Navistar trucks means: Communication fault (from PP3 to ESC). The failure mode (FMI 14) is “special instructions”.
Code details
- Manufacturer
- International (Navistar)
- Applies to
- International / Navistar body controller (ESC) and multiplexed modules
- Fault code
- SA 33 SPN 639 FMI 14
- J1939 SPN
- 639
- FMI
- 14 — Special instructions
- Reporting module
- Body Controller (source address 33)
- Component / signal
- Drivetrain Message Timeout
- 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
Cause and when it sets
Cause: Datalink interrupted between ESC and Powerpack.
Check for open circuit or short in J1939 datalink.
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 14 tells the shop the type of failure to test for: special instructions.
- 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 33 SPN 639 FMI 14 — Failed to receive PGN 65535.
- International SA 28 SPN 639 FMI 9 — J1939 Communication Link Fault
- International SA 33 SPN 639 FMI 9 — J1939 Drivetrain Data Link Lost
- International Fault Code SPN 639 FMI 14 — J1939 Data Link Error (ECM Unable to Transmit)
- International Fault Code SPN 639 FMI 19 — J1939 Network #1, Primary Vehicle Network: Received Network Data In Error
- International Fault Code SPN 639 FMI 9 — J1939 Network #1, Primary Vehicle Network: Abnormal Update Rate
- Cummins Fault Code 185 — Engine Control Module Network Communication Error
- Cummins Fault Code 285 — SAE J1939 Multiplexing PGN Timeout Error
Source: Navistar service manual S08327 "Body Controller Diagnostic Trouble Codes" (10/22/2009), page 11. See also OBD-II codes.
