PACCAR (Kenworth & Peterbilt)
PACCAR fault code
SPN 97 / FMI 3
PACCAR Fault Code P2275: Water in Fuel – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49)
P2275 on PACCAR (Kenworth & Peterbilt) engines means: Water in Fuel – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49). The failure mode (FMI 3) is “voltage above normal, or shorted to high source”.
Code details
- Manufacturer
- PACCAR (Kenworth & Peterbilt)
- Applies to
- PACCAR MX-13 (2017–2020)
- Fault code
- P2275
- J1939 SPN
- 97
- FMI
- 3 — Voltage above normal, or shorted to high source
- Truck models in source
- Kenworth T680, T880, W900, T800; Peterbilt 579, 389, 567, 367
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
- PACCAR Fault Code P2275 — Water-In-Fuel – Voltage Too High or Short Circuit to Supply on ECU (D420) Pin (A49)
- PACCAR Fault Code P2266 — Water in Fuel – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A49)
- PACCAR Fault Code P2266 — Water-in-Fuel – Voltage Too Low or Short Circuit to Ground on ECU (D420) Pin (A49)
- Cummins Fault Code 428 — Water in Fuel Sensor Circuit - shorted high
- International SA 33 SPN 97 FMI 4 — Water In Fuel Indicator
- International SA 33 SPN 97 FMI 6 — Water In Fuel Indicator
- International Fault Code SPN 97 FMI 31 — Water In Fuel Indicator 1: Condition Exists
Source: PACCAR MX-13 2017–2020 fault code list (Diesel Laptops). See also OBD-II codes.