Freightliner SPN524287FMI31 Fault Code: This fault code displays when there are no active faults in the ICC501T.
This fault code displays when there are no active faults in the ICC501T. · ai-assisted, editor-reviewed · Last updated 2026-07-13
TL;DR
SPN 524287 FMI 31 is not an actual fault. It displays only when there are no active faults present in the ICC501T module. No repair action is needed for this code by itself.
Low severity. This code carries no consequence on its own. It is a status indicator meaning the ICC501T has nothing active to report. It should be ignored per the manufacturer's own guidance.
What does Freightliner error code SPN524287FMI31 mean?
SPN 524287 FMI 31 is tied to the ICC501T module and simply reports that there are no active faults present in that module. It is not describing a failure, a sensor out of range, or a system malfunction.
The manufacturer's documentation states plainly that this fault code should be ignored. It exists as a placeholder or status entry rather than as a diagnostic trouble code pointing to a problem that needs repair.
If this code appears alongside other active fault codes, the other codes are the ones that need attention. SPN 524287 FMI 31 by itself does not indicate anything wrong with the vehicle.
Common causes of SPN524287FMI31
- No active faults exist in the ICC501T at the time the code is displayed. This is the only listed condition and it is not a failure cause.
How to troubleshoot Freightliner SPN524287FMI31: first checks
- Confirm whether any other active fault codes are present on the vehicle. Those codes, not this one, are what should guide diagnosis.
- Verify the code reads as SPN 524287 FMI 31 specifically and is not being confused with a different SPN or FMI combination tied to the ICC501T.
- No inspection or repair steps are listed for this code because it does not represent a malfunction.
How the code clears
No reset procedure is listed for this code. Because it only indicates the absence of active faults in the ICC501T, it does not require clearing in the way an actual fault would.
Frequently asked questions
What does SPN 524287 FMI 31 mean on a Freightliner?
It means the ICC501T module currently has no active faults. It is a status display, not a trouble code describing a problem.
Do I need to fix anything when SPN 524287 FMI 31 shows up?
No. The manufacturer's documentation states this fault code should be ignored since it only appears when there are no active faults in the ICC501T.
Is SPN 524287 FMI 31 dangerous or a sign of a bigger problem?
No. It does not indicate a malfunction. If you have safety concerns, look for other active fault codes on the vehicle instead.
Why does the ICC501T show a fault code if nothing is wrong?
Some modules report a status code to confirm normal operation. SPN 524287 FMI 31 is that kind of indicator for the ICC501T, confirming no active faults are present.
Should a technician spend diagnostic time on SPN 524287 FMI 31?
No. There are no monitored parameters, enable conditions beyond the absence of faults, or symptoms listed. Diagnostic time is better spent on any other active codes present.