Cummins
Cummins fault code
SPN 100 / FMI 3
Cummins Fault Code 135: Engine Oil Pressure Sensor Circuit - shorted high
135 on Cummins engines means: Engine Oil Pressure Sensor 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
- 135
- J1939 SPN
- 100
- FMI
- 3 — Voltage above normal, or shorted to high source
- J1587 PID / SID
- P100
- Engine models
- QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30
- QSK45/60/78 severity level
- QSK45: 2 • QSK60: 2 • QSK78: 2
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 141 — Engine Oil Pressure Sensor Circuit - shorted low
- Cummins Fault Code 143 — Engine Oil Pressure Low – Warning
- Cummins Fault Code 143 — Engine Oil Pressure Low – Warning
- Cummins Fault Code 415 — Engine Oil Pressure Low – Critical
- Cummins Fault Code 415 — Engine Oil Pressure Low – Critical
- Cummins Fault Code 435 — Engine Oil Pressure Sensor Circuit - data incorrect
- PACCAR Fault Code P0522 — Engine Oil Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (C84)
- PACCAR Fault Code P0523 — Engine Oil Pressure – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (C84)
Source: Cummins "Diagnostic Fault Codes For Cummins Engines", publication 80-1044 Rev 5/2013, page 3. See also OBD-II codes.
