PACCAR (Kenworth & Peterbilt)
PACCAR fault code
SPN 2791
PACCAR Fault Code P1485: EGR Valve Module Temperature – Data Valid But Too High
P1485 on PACCAR (Kenworth & Peterbilt) engines means: EGR Valve Module Temperature – Data Valid But Too High.
Code details
- Manufacturer
- PACCAR (Kenworth & Peterbilt)
- Applies to
- PACCAR MX-13 (2017–2020)
- Fault code
- P1485
- J1939 SPN
- 2791
- 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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Related fault codes
- PACCAR Fault Code P1480 — EGR Valve Module Position – Unable to Reach Target
- PACCAR Fault Code P1481 — EGR Valve Module Current – Data Valid But Too High
- PACCAR Fault Code P1482 — EGR Valve Module – Internal Error
- PACCAR Fault Code P1483 — EGR Valve Module – CAN Communication Error
- PACCAR Fault Code P1484 — EGR Valve Module – Internal Error
- PACCAR Fault Code P1486 — EGR Valve Module Power Supply – Incorrect
- PACCAR Fault Code P1488 — EGR Valve Module – Out of Calibration
- PACCAR Fault Code P1489 — EGR Valve – Stuck Closed
Source: PACCAR MX-13 2017–2020 fault code list (Diesel Laptops). See also OBD-II codes.