PACCAR (Kenworth & Peterbilt)
PACCAR fault code
PACCAR Fault Code P1869: Fuel Temperature – Data Valid But Too Low
P1869 on PACCAR (Kenworth & Peterbilt) engines means: Fuel Temperature – Data Valid But Too Low.
Code details
- Manufacturer
- PACCAR (Kenworth & Peterbilt)
- Applies to
- PACCAR MX-13 (2017–2020)
- Fault code
- P1869
- 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.
- 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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Source: PACCAR MX-13 2017–2020 fault code list (Diesel Laptops). See also OBD-II codes.