Cummins
Cummins fault code
SPN 1083 / FMI 3
Cummins Fault Code 293: Auxiliary Temperature Sensor Input # 1 Circuit – shorted high
293 on Cummins engines means: Auxiliary Temperature Sensor Input # 1 Circuit – shorted high. The failure mode (FMI 3) is “voltage above normal, or shorted to high 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
- 293
- J1939 SPN
- 1083
- FMI
- 3 — Voltage above normal, or shorted to high source
- J1587 PID / SID
- P223
- Engine models
- QSK19, QSK23
- QSK45/60/78 severity level
- QSK45: 3 • QSK60: 3 • QSK78: 3
What to do next
- Read active and inactive codes with the OEM service tool and note the occurrence count.
- FMI 3 tells the shop the type of failure to test for: voltage above normal, or shorted to high 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 293 — Auxiliary Temperature Sensor Input # 1 Circuit – shorted high
- Cummins Fault Code 293 — Auxiliary Temperature Sensor Input # 1 Circuit – shorted high
- Cummins Fault Code 292 — Auxiliary Temperature Sensor Input # 1 Engine Protection - Critical
- Cummins Fault Code 294 — Auxiliary Temperature Sensor Input # 1 Circuit – shorted low
- Cummins Fault Code 294 — Auxiliary Temperature Sensor Input # 1 Circuit – shorted low
Source: Cummins "Diagnostic Fault Codes For Cummins Engines", publication 80-1044 Rev 5/2013, page 8. See also OBD-II codes.