Cummins
Cummins fault code
SPN 91 / FMI 19
Cummins Fault Code 287: SAE J1939 Multiplexing Accelerator Pedal Sensor System Error
287 on Cummins engines means: SAE J1939 Multiplexing Accelerator Pedal Sensor System Error. The failure mode (FMI 19) is “received network data in error”.
Lamp: Red
Stop engine now – damage imminent.
Code details
- Manufacturer
- Cummins
- Applies to
- Cummins QS-series electronic engines
- Fault code
- 287
- J1939 SPN
- 91
- FMI
- 19 — Received network data in error
- J1587 PID / SID
- P091
- Engine models
- QSB, QSC, QSL9, QSM11, QSX15
What to do next
- Treat this as a stop-level fault: shut down safely and get the truck checked before running it further.
- Read active and inactive codes with the OEM service tool and note the occurrence count.
- FMI 19 tells the shop the type of failure to test for: received network data in error.
- 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 431 — Accelerator Pedal Idle Validation Circuit - data incorrect
- Cummins Fault Code 432 — Accelerator Pedal Idle Validation Circuit - out of calibration
- PACCAR Fault Code P0121 — Accelerator Pedal – Sticking Pedal
- PACCAR Fault Code U1703 — Remote Pedal – Voltage Too Low or Short Circuit to Ground
- PACCAR Fault Code U177B — Accelerator Pedal 1 – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (B41)
- PACCAR Fault Code U177C — Accelerator Pedal 1 – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (B41)
- PACCAR Fault Code U177D — Accelerator Pedal Sensor 1 Duty Cycle – Data Valid But Too High on ECU (D420) Pin (B41)
- PACCAR Fault Code U177E — Accelerator Pedal Sensor 1 Duty Cycle – Data Valid But Too Low on ECU (D420) Pin (B41)
Source: Cummins "Diagnostic Fault Codes For Cummins Engines", publication 80-1044 Rev 5/2013, page 8. See also OBD-II codes.