AutoStatsIQ
Data through Oct 2026
Model year

2017 Kenworth T660

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

Recalls (6)Complaints (0)Investigations (0)Bulletins (24)
Recall campaigns covering this model year6610k 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 2017 Kenworth T660 by year filed

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

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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.

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Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

6 recall campaigns cover the 2017 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 2017 Kenworth T660
CampaignFiledSubjectComponentVehiclesRemedy
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-657Sep 21, 2018In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel pump cooling circuit screen becomes restrictedEngine and cooling48,896Part replacement
18V-555Aug 22, 2018Engine harnesses may have been manufactured without check engine light (CEL) and stop engine light (SEL) circuits, preventing the driver from…Electrical system11,429Repair 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
16V-803Nov 4, 2016Affected vehicles are equipped with certain Goodyear LHS Load Range G tires, size 295/75R22.5 G399A, that due to incomplete adhesion, have a tire…Tires202Part replacement
16V-426Jun 10, 2016Affected vehicles are equipped with Cummins ISX12 or ISX15 engines and have an engine control module (ECM) that may short circuit, causing the…Electrical system3,227Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2017 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

    24 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."
    • E304 Mar 21, 2026 · Emissions
      CARB Chassis Update - Chassis list updated with 5 KW and 31 PB additional chassis.
    • 24KWD Oct 28, 2025 · Service Bulletin/Repair Instructions
      SAFETY RECALL Additional chassis have been included. The chassis list has been updated. Certain T370 / T440 / T470 / T480 / T660 / T680 / T800 / T880 / W900 / C500 chassis may be equipped with air tank reservoirs that have less than twelve times the combine…
    • 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.
    • 43-072 Jun 2, 2023 · Service Bulletin/Repair Instructions
      Certain chassis with Engine Model Year 2016-2021 PACCAR MX-11/MX-13, or EPA13 and EPA21 Cummins ISX12/ISX15/X15 engines that had a previously failed DEF sensor and with DEF sensor software disabled due to industry DEF sensor shortages will now be able to re…
    • 45-064 Oct 18, 2022 · Service Bulletin/Repair Instructions
      Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis equipped with Cummins X15, X12, ISX12, ISX12N, L9N, PX-7, and PX-9 engines The technology will leverage the existing Remote Diagnostic cs hardware to del…
    • 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.
    • 43-071 Sep 21, 2021 · Service Bulletin/Repair Instructions
      Fix-As-Fail – Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are available. As a temporary solution, after PACCAR confirms a DEF sensor is not available, a temporary software update will allow a vehicle to continue op…
    • 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.
    • 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).
    • 42-056 Aug 28, 2019 · Service Bulletin/Repair Instructions
      Fix-As-Fail -“ Composite fittings used in the cooling system may crack, resulting in coolant leaks. Brass fittings are available to replace the composite fittings.
    • 43-051 Jan 9, 2018 · Service Bulletin/Repair Instructions
      Campaign ? The lower elbow of the exhaust system does not have a drain hole, allowing water to collect in the pipes and overflow into the aftertreatment canister.
    • 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.
    Source: NHTSA manufacturer communications files.
    About service bulletins