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Kenworth T680Model year report

2015 Kenworth T680 Problems

Complaints
8filed with NHTSA
Median mileage
348,455miles, 3 complaints with mileage
Recalls
11campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

Sources: NHTSA records for the 2015 Kenworth T680 (complaints, recalls, investigations). Report an error

NHTSA recorded 8 consumer complaints for the 2015 Kenworth T680. The part named most often is brakes, with 2 complaints (25% of the total), followed by engine (2) and fuel system (2). 3 of the complaints include a mileage, and 33% of those were filed for vehicles with under 50,000 miles; the median is 348,455 miles. Of all complaints, 1 involved a crash, 2 a fire, according to the filers. NHTSA lists 11 recall campaigns and 48 technical service bulletins for this model year. Brakes complaints overlap with 2 recall campaigns covering the reservoir/tank, 1 NHTSA investigation and 2 technical service bulletins filed under the same part. Engine complaints overlap with 4 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Also reported: Vehicle speed control (1).

Example complaints

Brakes: “Driver driving down flat hyway near easton pa right front drive axle brakes started on fire cause thought to be haldex brake chamber since having so many fail failures of this gold seal chamber and causing fires, total loss of both truck and trailer, driver confirmed right front heel end on fire and could not get it put out due to all the heat”

NHTSA complaint #11110397, filed 2018-07, 348,455 miles

Engine: “I have always any lights on my truck / now cheek engine light on for ccv speedo rotor / sensor nox all most $3500 doller need fix / I don't have / before I lot money put on repair/”

NHTSA complaint #11154820, filed 2018-11, 395,600 miles

Fuel system: “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 2020-04

Electrical system: “Takata recall mhc Kenworth has replaced or corrected the drivers low beam light 5 times, 3 for fee and 2 as a cost to my business. The this headlight continues to malfunction and the light bulb is not even blown. The dashboard lights goes pitch black dark. The orange engine outline comes on every single time the malfunction occurs. This is not safe and we cannot continue driving this truck like this. The truck continues to misfire after the warranty covered the injectors replacement. Some times the entire electrical shut down in the truck. …”

NHTSA complaint #11165381, filed 2019-01

Mileage when problems were reported

33% of the 3 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 20 and 395,600 miles.

33%0–100%10–250%25–500%50–750%75–1000%100–15067%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (3 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 348,455 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

201832019202020212022
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Recalls and investigations

See all 11 recalls for the 2015 Kenworth T680 → · Check a VIN at nhtsa.gov/recalls

NHTSA investigations

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 48 on record; the latest 10 are shown.

See all 48 bulletins →

Other model years of the Kenworth T680

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2024530,0007———Too new
20239135,0009———Too new
2020847,0008———Not enough data
20198200,0009———Not enough data
201811238,38015———Not enough data
20179198,15411———Not enough data
20166207,73116———Not enough data
20158348,45511———Not enough data
201410346,27513———Not enough data

All Kenworth T680 model years

Frequently asked questions

How many NHTSA complaints does the 2015 Kenworth T680 have?

NHTSA recorded 8 consumer complaints for the 2015 Kenworth T680 as of Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2015 Kenworth T680 is reported most often?

Brakes is named most often, in 2 complaints (25% of the total), followed by engine with 2.

Has the 2015 Kenworth T680 been recalled?

NHTSA lists 11 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

At what mileage are problems with the 2015 Kenworth T680 reported?

Among the 3 complaints that include a mileage, the median is 348,455 miles and the middle half falls between 20 and 395,600 miles; 33% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.