Cummins
Cummins fault code
SPN 1077 / FMI 4
Cummins Fault Code 365: Fuel Pump Control Module, Supply Voltage Circuit - shorted low
365 on Cummins engines means: Fuel Pump Control Module, Supply Voltage Circuit - shorted low. The failure mode (FMI 4) is “voltage below normal, or shorted to low source”.
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
- 365
- J1939 SPN
- 1077
- FMI
- 4 — Voltage below normal, or shorted to low source
- J1587 PID / SID
- S233
- Engine models
- QSB
What to do next
- Read active and inactive codes with the OEM service tool and note the occurrence count.
- FMI 4 tells the shop the type of failure to test for: voltage below normal, or shorted to low source.
- 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
- Cummins Fault Code 329 — Fuel System Leakage error
- Cummins Fault Code 364 — Fuel Pump Control Module, CAN Communication Error - abnormal update rate
- Cummins Fault Code 366 — Fuel Pump Control Module, Supply Voltage Circuit - data incorrect
- Cummins Fault Code 372 — Fuel Pump Control Module, Idle Validation Error
- Cummins Fault Code 373 — Fuel Pump Control Module, Fuel Shutoff Error
- Cummins Fault Code 374 — Fuel Pump Control Module, Self-Test Error
- Cummins Fault Code 376 — Fuel Pump Control Module, Fueling or Engine Speed Mismatch
- Cummins Fault Code 377 — Fuel Pump Control Module, Stuck Relay Error
Source: Cummins "Diagnostic Fault Codes For Cummins Engines", publication 80-1044 Rev 5/2013, page 10. See also OBD-II codes.