2015 Kenworth T680 Fuel system Problems
- Complaints
- 2about this part
- Share
- 25%of 8 total for the year
- Median mileage
- 20miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the fuel system of the 2015 Kenworth T680, 25% of the 8 complaints for this model year. Where a mileage was given, the median is 20 miles. 1 recall campaign on record is filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2015 Kenworth T680. The contact stated that the heavy truck exhibited numerous failures with the diesel fuel system which caused the failures of the nox sensor, diesel fuel dosing valve, the EGR cooler, the hc valve, the ammonia sensor, the common rail, fuel pump, exhaust flex pipe, and the computer also failed which caused the heavy truck to not exceed 5 MPH. The contact stated that the manufacturer provided an extended warranty repair coverage however, the mileage of 435,000 miles was exceeded. The vehicle was not repaired. The failure mileage was 530,000.”
NHTSA complaint #11322873, filed 2020-04Related recalls
- 17V103000Feb 15, 2017PACCAR Incorporated (PACCAR) is recalling certain 2015-2018 Kenworth K370, T680, T880 and 2017-2018 Peterbilt 567 and 579 trucks. The plastic fuel tee…Covers: Kenworth T680 2015–2018, T880 2015–2018, Peterbilt 567 2017–2018 +1 more
Related service bulletins
- 10232496Feb 24, 2023Certain Model Year 2021-2024 chassis with PACCAR MX engines and optional fuel filter restriction virtual gauge may display incorrect restriction levels. The virtual gauge will be…
Fuel system: other model years
Other parts of the 2015 Kenworth T680
2 complaintsEngine
2 complaintsElectrical system
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsSeat belts
1 complaintsSteering
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2015 Kenworth T680
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology