PACCAR (Kenworth & Peterbilt)
PACCAR fault code
SPN 3610 / FMI 10
PACCAR Fault Code P3769: DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, During Operation, on ECU (D374) Pin (B32)
P3769 on PACCAR (Kenworth & Peterbilt) engines means: DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, During Operation, on ECU (D374) Pin (B32). The failure mode (FMI 10) is “abnormal rate of change”.
Code details
- Manufacturer
- PACCAR (Kenworth & Peterbilt)
- Applies to
- PACCAR MX-13 (2013–2016)
- Fault code
- P3769
- J1939 SPN
- 3610
- FMI
- 10 — Abnormal rate of change
- 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 10 tells the shop the type of failure to test for: abnormal rate of change.
- 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 P3769 — DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, During Operation on ECU (D442) Pin (11)
- PACCAR Fault Code P3766 — DPF Outlet Pressure – Voltage Too High or Short Circuit to Supply on ECU (D442) Pin (11)
- PACCAR Fault Code P3767 — DPF Outlet Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D442) Pin (11)
- PACCAR Fault Code P3768 — DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, At Ignition ON or OFF
- PACCAR Fault Code P3770 — DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON or During Operation on ECU (D442) Pin (11)
- PACCAR Fault Code P3766 — DPF Differential Pressure – Voltage Too High or Short Circuit to Supply on ECU (D374) Pin (B32)
- PACCAR Fault Code P3767 — DPF Differential Pressure – Voltage Too Low or Short Circuit to Ground on ECU (D374) Pin (B32)
- PACCAR Fault Code P3768 — DPF Outlet Pressure – Data Erratic, Intermittent or Incorrect, at Ignition ON, on ECU (D374) Pin (B32)
Source: PACCAR MX-13 2013–2016 fault code list (Diesel Laptops). See also OBD-II codes.