Cummins
Cummins fault code
SPN 174 / FMI 11
Cummins Fault Code 264: Fuel Temperature Sensor Circuit - data out-of-range
264 on Cummins engines means: Fuel Temperature Sensor Circuit - data out-of-range. The failure mode (FMI 11) is “root cause not known”.
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
- 264
- J1939 SPN
- 174
- FMI
- 11 — Root cause not known
- J1587 PID / SID
- P174
- Engine models
- QSB
What to do next
- Read active and inactive codes with the OEM service tool 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.
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 261 — Fuel Temperature High – Warning
- Cummins Fault Code 261 — Fuel Temperature High – Warning
- Cummins Fault Code 263 — Fuel Temperature Sensor Circuit - shorted high
- Cummins Fault Code 265 — Fuel Temperature Sensor Circuit - shorted low
- PACCAR Fault Code P0168 — Fuel Temperature – Data Valid But Too High, Most Severe
- PACCAR Fault Code P0180 — Fuel Temperature – Data Erratic, Intermittent or Incorrect, at Ignition ON
- PACCAR Fault Code P0182 — Fuel Temperature – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A42)
- PACCAR Fault Code P0183 — Fuel Temperature – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A42)
Source: Cummins "Diagnostic Fault Codes For Cummins Engines", publication 80-1044 Rev 5/2013, page 7. See also OBD-II codes.