Cummins
    Cummins fault code
    SPN 1076 / FMI 7

    Cummins Fault Code 363: Fuel Pump Control Module, Fuel Control Valve - mechanically stuck

    363 on Cummins engines means: Fuel Pump Control Module, Fuel Control Valve - mechanically stuck. The failure mode (FMI 7) is “mechanical system not responding or out of adjustment”.

    Lamp: Yellow

    Engine may continue to run, but must be repaired the same day.

    Code details

    Manufacturer
    Cummins
    Applies to
    Cummins QS-series electronic engines
    Fault code
    363
    J1939 SPN
    1076
    FMI
    7 — Mechanical system not responding or out of adjustment
    J1587 PID / SID
    S251
    Engine models
    QSB

    What to do next

    • Read active and inactive codes with the OEM service tool and note the occurrence count.
    • FMI 7 tells the shop the type of failure to test for: mechanical system not responding or out of adjustment.
    • 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

    Source: Cummins "Diagnostic Fault Codes For Cummins Engines", publication 80-1044 Rev 5/2013, page 10. See also OBD-II codes.