International SA 33 SPN 1231 FMI 9: J1939 Body Builder Data Link Lost

Code details

Manufacturer

International (Navistar)

Applies to

International / Navistar body controller (ESC) and multiplexed modules

Fault code

SA 33 SPN 1231 FMI 9

J1939 SPN

1231

FMI

9 — Abnormal update rate

Reporting module

Body Controller (source address 33)

Component / signal

Body Address Claim/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

Logical signal

J1939DT_Rcv_61441_xxx_0 11_Timer

Cause and when it sets

Cause: Faulty BC or Bodybuilder 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.

Related fault codes

• International SA 33 SPN 1231 FMI 14 — Global Broadcast Messages, J1939, proprietary, private bus (body builder) (address 255) has an unknown fault.
• International Fault Code SPN 1231 FMI 19 — DCU Error – J1939 Communication Fault
• PACCAR Fault Code U0101 — CAN – Message (ETC1) Time-Out From Transmission System
• PACCAR Fault Code U0103 — CAN – Message (ETC2) Time-Out From Transmission System
• PACCAR Fault Code U0120 — CAN – Message (ETC7) Time-Out From Transmission System