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Model year

2015 Kenworth T660

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recalls (8)Complaints (0)Investigations (0)Bulletins (22)
Recall campaigns covering this model year8671k vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2015 Kenworth T660 by year filed

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

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

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

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

8 recall campaigns cover the 2015 Kenworth T660

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 T660
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-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
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-271May 8, 2015In the affected trucks, water may leak into the wiper motorVisibility and wipers104,807Not stated
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-051Jan 30, 2015Brake caliper bolts may not be properly torquedBrakes106Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2015 Kenworth T660

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.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    All investigations
    Service bulletins

    22 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."
    • 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.
    • 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).
    • 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.
    • 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.
    • 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.
    • 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).
    • 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.
    • 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.
    • 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.
    Source: NHTSA manufacturer communications files.
    About service bulletins