International Fault Code SPN 639 FMI 14: J1939 Data Link Error (ECM Unable to Transmit)

Code details

Manufacturer

International (Navistar)

Applies to

International MaxxForce DT (2010–2019)

Fault code

SPN 639 FMI 14

J1939 SPN

639

FMI

14 — Special instructions

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 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.

Related fault codes

• International SA 28 SPN 639 FMI 9 — J1939 Communication Link Fault
• International SA 33 SPN 639 FMI 9 — J1939 Drivetrain Data Link Lost
• International SA 33 SPN 639 FMI 14 — Failed to receive PGN 65535.
• International SA 33 SPN 639 FMI 14 — Communication fault (from PP3 to ESC)
• 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