International SA 167 SPN 2167 FMI 11: Message ignition and switched ignition do not match for SIC 1.

SA 167 SPN 2167 FMI 11 on International / Navistar trucks means: Message ignition and switched ignition do not match for SIC 1.. The failure mode (FMI 11) is “root cause not known”.

Code details

Manufacturer: International (Navistar)
Applies to: International / Navistar body controller (ESC) and multiplexed modules
Fault code: SA 167 SPN 2167 FMI 11
J1939 SPN: 2167
FMI: 11 — Root cause not known
Reporting module: Secondary Instrument Cluster (SIC) 1 (source address 167)
Component / signal: Source Address 167
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: Root cause not known

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 11 tells the shop the type of failure to test for: root cause not known.
Have a heavy-duty diesel technician confirm the fault against the engine or chassis service manual before replacing parts.