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Model year

2015 Kenworth T680

Heavy truck, diesel, 6x4, built in United States. Owner complaints on file from Mar 21, 2018 to Sep 21, 2022.

Recalls (10)Complaints (8)Investigations (1)Bulletins (48)
Recall campaigns covering this model year10571k vehicles or units across those campaigns
Owner complaints82.0 times the median 2015 heavy truck
Severity index25.02015 heavy trucks average 19.6
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2015 Kenworth T680 peaked in 2018, with 3 filed

Owner complaints about this model year, by the year they were filed with NHTSA.

01232018320192020202120222023202420252026
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

38% of complaints about the 2015 Kenworth T680 name engine and cooling

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

Engine and cooling
3
Fuel system
2
Brakes
2
Electrical system
1
Lighting
1
Powertrain
1
Seat belts
1
Steering
1
Structure
1
Speed control
1
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

10 recall campaigns cover the 2015 Kenworth T680

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2015 Kenworth T680
CampaignFiledSubjectComponentVehiclesRemedy
24V-145Feb 23, 2024Air tanks have an insufficient volume of air for the brake systemBrakes936Repair or modification
20V-199Apr 6, 2020In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may…Stability and traction control460,515Software update
18V-816Nov 16, 2018Since both intermediate side marker lamps and reflex reflectors are required, these vehicles fail to comply with the requirements of Federal Motor…Lighting1,619Repair or modification
18V-368Jun 1, 2018In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may…Stability and traction control85,626Software update
17V-471Jul 25, 2017Spotlight circuit may not be adequately protected in the event of a shortElectrical system5,731Not stated
17V-103Feb 15, 2017Plastic fuel tee fittings on these trucks may leak fuelFuel system465Part replacement
15V-458Jul 22, 2015DRLs are required to deactivate when the hazard warning lights are activated, however, the DRLs on these vehicles override the hazard flashing…Lighting12,551Software update
15V-310May 26, 2015Affected trucks are built with a driveshaft that may not transmit power to the wheels due to weld failure from corrosionPowertrain30Part replacement
15V-270May 8, 2015Affected trucks, equipped with PACCAR MX-13 engines and Delco-Remy 40SI alternators, have alternator charge cables that may chafe against a formed…Electrical system1,494Repair or modification
15V-196Apr 3, 2015Affected vehicles are equipped with Meritor MT-40-14X rear drive axles that may circulate an inadequate amount of lubricant to the wheel end hub…Powertrain24Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2015 Kenworth T680

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

8 complaints on file, page 1 of 1.

  1. Filed Sep 21, 2022Failure Sep 19, 2022924,278 milesMcdonough, GAEngine and engine cooling

    The contact owns a 2015 Kenworth T680. The contact stated while driving at 55 MPH, he noticed smoke coming through the AC vents and from underneath the hood of the vehicle. There was no warning light illuminated. The contact veered to the side of the road and opened the hood of the vehicle. The contact noticed that the water pump was leaking and one of the hose pipe was cracked. The contact was able to drive the vehicle to a nearby independent mechanic. The independent mechanic diagnosed that the water pump and the hose pipe needed to be replaced. The parts were replaced; however, the failure persisted. The vehicle was not repaired. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 924,278.

    NHTSA complaint 11485741
  2. Filed Dec 16, 2021Failure Nov 30, 2021Chicago, ILSeat belts, Service brakes, Vehicle speed controlCrashFire

    3

    NHTSA complaint 11444045
  3. Filed Apr 30, 2020Failure Oct 1, 2018530,000 milesBrookings, ORFuel/propulsion system

    TL* 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.*DT*JB

    NHTSA complaint 11322873
  4. Filed Jun 13, 2019Failure Jun 3, 201920 milesOakland Park, FLEngine, Fuel/propulsion system

    MY 2015 KENWORTH T680 FROM WHAT I WAS TOLD BY THE DEALER SHOP HAS A DEFECTIVE FUEL PUMP THAT CAUSING THE ENGINE OF MY TO STALL IN THE MIDDLE OF THE HIGHWAY ALMOST CAUSED ME A TERRIBLE ACCIDENT, BUT THE MANUFACTURER REFUSED TO TAKE RESPONSIBILITY SO I AM PLACING THIS COMPLAINT TO SEE IF I CAN GET ANY ASSISTANCE, THANKS.

    NHTSA complaint 11219663
  5. Filed Jan 5, 2019Failure Jan 3, 2019669,842 milesWake Forest, NCElectrical system, Exterior lighting, Body

    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. I NEED ANSWERS ASAP AS THIS CAN COST THOUSANDS IN FINES AND DOT FEES! THIS HAS OCCURRED MORE THAN ONCE, NUMEROUS TIMES WITH THE MOST RECENT BEING DEC 2018 AND JAN 2019. THE CABINET HANDLES FELL OFF AND THE BOTH ARM RESTS ON THE DRIVER'S SIDE. THIS 3 YEAR OLD TRUCK IS FALLING APART.

    NHTSA complaint 11165381
  6. Filed Nov 29, 2018Failure Oct 15, 2018395,600 milesFresno, CAEngine, Power train

    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
  7. Filed Jul 9, 2018Failure Jan 26, 2017348,455 milesGeddes, SDService brakesFire

    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
  8. Filed Mar 21, 2018Failure Mar 16, 2018508,600 milesMableton, GASteering

    WHEN THE ENGINE RUNS HOT, FROM HARD PULLS OVER A MOUNTAIN, THE POWER STEERING FLUID GETS SO HOT IT BOILS. I LOSE SOME POWER STEERING WHEN THAT HAPPENS.

    NHTSA complaint 11080420
Source: NHTSA ODI complaints file.
Investigations

1 NHTSA investigation on file

  • PE21018 Preliminary evaluation, Brakes
    Haldex Brake Chamber Failures
    Opened Jul 16, 2021, closed Oct 10, 2025
Source: NHTSA ODI investigations file.
All investigations
Service bulletins

48 manufacturer communications cover this model year

Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.

  • P001 Sep 11, 2026 · Service Bulletin/Repair Instructions
    "Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes. 2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
  • 02-177 May 6, 2026 · Service Bulletin/Repair Instructions
    Troubleshooting procedures for 2.1m cab power windows are now available.
  • 24KWD Apr 9, 2024 · Service Bulletin/Repair Instructions
    Certain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air volume requirements per FMVSS/CMVSS 121 âAir Brake Systemsâ. This bulletin will be updated when repair parts and procedures are available.
  • E304 Oct 18, 2023 · Service Bulletin/Repair Instructions
    E304: PACCAR MX-11 and MX-13 EMY2016 NOx and N2O Exceedance Emissions Recall Certain vehicles with PACCAR MX-11 and MX-13 EMY2016 engines with less than 300,000 miles (482,803 km) have been shown, in testing, to exceed regulatory limits for NOx and N2O e…
  • 03-087 (E295) Feb 24, 2023 · Service Bulletin/Repair Instructions
    Certain 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 temporarily disabled until a revised sensor strategy is developed.
  • E296 Aug 3, 2022 · Service Bulletin/Repair Instructions
    Kenworth is providing guidance for PACCAR MX Engine Composite Oil Pan leak troubleshooting to avoid over-repairs and to provide warrantable repair guidance. Oil leaks, if not repaired, can lead to severe engine damage.
  • E269 Jul 20, 2021 · Service Bulletin/Repair Instructions
    Emissions Recall - PACCAR MX-13 Engine Model Year 2015B engines require a software update to ensure emissions compliance for On-Board Diagnostic (OBD).
  • 21KWD Jun 14, 2021 · Service Bulletin/Repair Instructions
    Information Only – C hassis equipped with MY2021 B EPA emission s standards will be shipped through atleast the end of the 2021 calendar year without particulate matter (PM) sensors installed .
  • E271 Jun 8, 2021 · Service Bulletin/Repair Instructions
    An engine software update is required to resolve OBD system readiness, DEF doser diagnostics, and otherOBD system software related issues.
  • 02-160 Feb 10, 2021 · Service Bulletin/Repair Instructions
    Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
  • 32-018 Feb 25, 2021 · Service Bulletin/Repair Instructions
    Non-Safety Campaign – Chassis with the City Horn option may generate unexpected alerts. A VECU software update is available to resolve the issue.
  • 32-017 Feb 25, 2021 · Service Bulletin/Repair Instructions
    Non-Safety Campaign – The batteries may drain quickly due to the VECU not going to sleep. Updated VECU software is available to resolve the issue.
  • 51-008 Jul 7, 2016 · Service Bulletin/Repair Instructions
    T680 predictive cruise control(PCC) incompatibility with cummins engine.
  • 51-007 Jul 7, 2016 · Service Bulletin/Repair Instructions
    Nav+HD MP3 reboot update ane features enable.
  • 27-026 Jul 28, 2016 · Service Bulletin/Repair Instructions
    Eaton ultrashift plus excessive engine over-speed lamp on.
  • 26-037 Dec 18, 2020 · Service Bulletin/Repair Instructions
    Fix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement.
  • 13-054 Jul 29, 2020 · Service Bulletin/Repair Instructions
    Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking
  • 32-015 Jun 8, 2020 · Service Bulletin/Repair Instructions
    Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
  • 43-066 Mar 27, 2020 · Service Bulletin/Repair Instructions
    DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank part number M86-6221-003**(TANK-DEF MEDIUM ASSY) and M86-6222-003**(TANK-DEF LARGE, ASSY). Resolution is to resolve the vibration on the tank cover b…
  • 34-085 Mar 3, 2020 · Service Bulletin/Repair Instructions
    Information Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.
  • 32-016 Mar 17, 2020 · Service Bulletin/Repair Instructions
    Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
  • 32-013 Jan 3, 2020 · Service Bulletin/Repair Instructions
    Information Only: The AutoStart System Test does not recognize the hood opening and closing when running the test on a model 579 or 567 chassis equipped with a VECU software version 9.8 and 9.9. The issue will be fixed on a future VECU software update. Th…
  • 03-071 Dec 18, 2019 · Service Bulletin/Repair Instructions
    Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer. The issue can be temporarily resolved using any one of the included procedures.
  • 43-063 Dec 19, 2019 · Service Bulletin/Repair Instructions
    Emissions Campaign â“ The Engine Overspeed lamp may illuminate during a smoke opacity test. A software update is available to resolve the issue.
  • 01-071 Nov 21, 2019 · Service Bulletin/Repair Instructions
    Fix-As-Fail The evaporator core may crack in vehicles with the ISX-15 engine. An improved suction line has been released that removes stress transferred to the evaporator core.
  • 01-075 Nov 6, 2019 · Service Bulletin/Repair Instructions
    Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor.
  • TIB43-062 Sep 27, 2019 · Service Bulletin/Repair Instructions
    Information Only â“ This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).
  • 42-058 Aug 23, 2019 · Service Bulletin/Repair Instructions
    Fix-As-Fail: Two separate causes have been identified as root cause of intermittent low coolant indicator illumination.
  • 01-073 Aug 2, 2019 · Service Bulletin/Repair Instructions
    Fix as Fail HVAC system may demonstrate inadequate temperature control, be stuck in defrost mode, or have intermittent changes in fan speed that can be remedied with an updated HVAC software.
  • 03-070 Jun 10, 2019 · Service Bulletin/Repair Instructions
    Fix as Fail: Vehicles built 11/30/15 to 7/18/16 may display an error message in the Service Advised display after updating CECU software.
  • 34-077 Apr 8, 2019 · Service Bulletin/Repair Instructions
    Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
  • 34-072 Nov 6, 2018 · Service Bulletin/Repair Instructions
    Information: J1939 CAN BUS Best Practices
  • 32-010 Apr 6, 2018 · Service Bulletin/Repair Instructions
    Information only - Customer installed inverters may be wired incorrectly.
  • 63-008 Mar 26, 2018 · Service Bulletin/Repair Instructions
    Non-Safety Campaign - OBD modem is unable to communicate to telematics systems.
  • 18-008 Jan 22, 2018 · Service Bulletin/Repair Instructions
    Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
  • 7-17 Jan 22, 2018 · Service Bulletin/Repair Instructions
    Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.
  • 26-029 Nov 21, 2017 · Service Bulletin/Repair Instructions
    Fix-As-Fail - A U1548 fault code is present in the DAVIE log file, with no fault lamp illuminated or other obvious symptoms.
  • 51012 Jun 30, 2017 · Service Bulletin/Repair Instructions
    Fix-as-Fail: CECU3 software P30-1011-139 software has been released. This software update is not mandatory. This software requires MY2017 PCC software when installed on MY2015/2016 vehicles equipped with PCC.
  • 34-060 Sep 28, 2017 · Service Bulletin/Repair Instructions
    Non Safety Campaign: The circuit for the Trailer Hotline/Trailer Power may not be properly protected on Model T680/T880 vehicles equipped with this option.
  • 43-048 Sep 27, 2017 · Service Bulletin/Repair Instructions
    Fix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser.
  • 41-016 Dec 22, 2016 · Service Bulletin/Repair Instructions
    NON-SAFETY CAMPAIGN: REPLACE THE MOLDED AIR INTAKE PIPE, WHICH CAN CRACK AND ALLOW ROAD DEBRIS INTO THE ENGINE. DEBRIS ENTERING THROUGH THE INTAKE MAY CAUSE SEVERE ENGINE DAMAGE.
  • 16-038 Nov 8, 2016 · Service Bulletin/Repair Instructions
    NON-SAFETY CAMPAIGN: WATSON & CHALIN LIFT AXLE FRAME BRACKETS WITH SLOTTED LOWER MOUNTING HOLES MAY EXHIBIT CRACKING WHEN FASTENERS ARE POSITIONED AT THE UPPER PORTION OF THE SLOT. INSTALLING A DOUBLER PLATE MAY PREVENT CRACKS FROM DEVELOPING. FOR VEHICLES …
  • 01-068 Nov 4, 2016 · Service Bulletin/Repair Instructions
    FIX-AS-FAIL: AN INTERNAL ISSUE MAY CAUSE SOME HVAC MODE DOOR ACTUATORS TO FAIL. THIS WILL CAUSE THE HVAC SYSTEM TO ACT ERRATICALLY OR CONSTANTLY TURN ON AND OFF.
  • 27-026 Jul 28, 2016 · Service Bulletin/Repair Instructions
    FIX-AS-FAIL - ENGINE OVER-SPEED LAMP COULD COME ON AFTER A DOWNSHIFT WITH THE EATON ULTRASHIFT PLUS TRANSMISSION. THIS DOES NOT AFFECT THE FUNCTION OF THE VEHICLE.
  • 51-007 Jul 7, 2016 · Service Bulletin/Repair Instructions
    FIX-AS-REQUESTED - NAV+ HD SOFTWARE UPDATE FOR RANDOM REBOOT FIX AND MP3 FEATURES ENABLED.
  • 04-017 Oct 24, 2016 · Service Bulletin/Repair Instructions
    FIX-AS-FAIL: THE HEAT-STAKE MOUNTING STUDS USED TO RETAIN THE FIXED PANEL COVER CAN FATIGUE. THIS COULD RESULT IN THE FORWARD CHASSIS FAIRING PANEL BECOMING LOOSE AND RATTLING.
  • TIB01-062 Nov 20, 2014 · Service Bulletin/Repair Instructions
    KENWORTH:PACCAR COMPANY: ESPAR SLEEPER HEATERS OVERHEATING, FREQUENTLY. MODELS T680/880. *LJ
  • TIB-E-110 Feb 17, 2015 · Service Bulletin/Repair Instructions
    KENWORTH: A NEW SOFTWARE IS AVAILABLE FOR THE DRIVER PERFORMANCE ASSISTANT (DPA) FOR RETROFITTING TRUCKS TO IMPROVE FUEL ECONOMY AND HAVE MAINTENANCE COSTS REDUCED. MODEL T680, 880. *PE
Source: NHTSA manufacturer communications files.
About service bulletins