Model year

2020 Kenworth W990

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

Recall campaigns covering this model year520k 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 2020 Kenworth W990 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.

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

5 recall campaigns cover the 2020 Kenworth W990

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 2020 Kenworth W990
CampaignFiledSubjectComponentVehiclesRemedy
22V-277Apr 25, 2022Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may failSteering17,641Part replacement
21V-906Nov 19, 2021Work brake (winch brake) may unintentionally disengage the service brakes during winching operations, causing the vehicle to rollElectrical system908Software update
20V-506Aug 26, 2020Axles may have lower rear pivot bolts that are not long enough to sufficiently engage the locking feature of the corresponding nutsPowertrain1,097Part replacement
19V-911Dec 19, 2019Forward rear axle output shafts may have been improperly heat treated during manufacturing, possibly resulting in the shafts fracturingPowertrain148Part replacement
19V-176Mar 5, 2019Rear axles may not contain oilSuspension93Part replacement
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2020 Kenworth W990

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.
    Service bulletins

    52 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."
    • E343 Sep 5, 2026 · Service Bulletin/Repair Instructions
      An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
    • 43-088 Aug 13, 2026 · Service Bulletin/Repair Instructions
      The procedure has been updated to include additional steps for verifying the software level on the vehicle electronic control unit (VECU2) and digital display (DD). Steps have also been added to the PACCAR Common Rail Injection 2 (PCI2) software verification.
    • 43-088 Jul 21, 2026 · Service Bulletin/Repair Instructions
      This optional software update is now available for chassis equipped with EMY 2021B-2023 PACCAR MX-11 and MX-13 engines. This update provides customers with additional time to service their trucks before a DEF-related derate occurs. The software is being off…
    • 41-029 Jul 18, 2026 · Service Bulletin/Repair Instructions
      Incorrect air filters may be inadvertently installed in certain chassis equipped with under-hood Donaldson air filter housings.
    • E311 Jul 10, 2026 · Service Bulletin/Repair Instructions
      The Condition, Chassis Affected, Service Action, Warranty, and Procedure sections have been updated to include the latest prognostics bulletin verbiage.
    • 43-088 Jul 7, 2026 · Service Bulletin/Repair Instructions
      "The software is not yet available. The bulletin will be updated when more information is available."
    • 26-035 Jul 3, 2026 · Service Bulletin/Repair Instructions
      Updated Eaton's TAIB0885EN Bulletin link.
    • 43-088 Jun 29, 2026 · Service Bulletin/Repair Instructions
      "An optional software update will be available on 07/06/2026 for chassis equipped with EMY 2021B-2023PACCAR MX-11 and MX-13 engines. This update provides customers with additional time to service theirtrucks before a DEF-related derate occurs. The software …
    • E311 Jun 6, 2026 · Service Bulletin/Repair Instructions
      The PACCAR Powertrain Prognostics Webcast video link has been removed. It will be included with updated information at a later date.
    • E311 May 18, 2026 · Service Bulletin/Repair Instructions
      Kenworth - The Warranty section has been updated to include Peterbilt-specific SRT codes for cross-division repair filing.
    • 02-177 May 6, 2026 · Service Bulletin/Repair Instructions
      Troubleshooting procedures for 2.1m cab power windows are now available.
    • 41-024 May 1, 2026 · Service Bulletin/Repair Instructions
      Procedures have been updated to include additional truck models in the service intervals table.
    • 45-070 Apr 17, 2026 · Service Bulletin/Repair Instructions
      The attached procedures document has been updated with more detail and explanations. This is not a stand-alone procedure. Cummins Quickserve troubleshooting will specify the use of these procedures while troubleshooting specific fault codes.
    • CE037 Apr 17, 2026 · Warranty Program/Extension
      KW & PB DEF Quality Sensor part number Q21-6127-001 for Cummins X15 engines has been added to this warranty policy.
    • 14-034 Apr 16, 2026 · Service Bulletin/Repair Instructions
      Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.
    • E326 Apr 1, 2026 · Emissions
      EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines.
    • 41-024 Mar 11, 2026 · Service Bulletin/Repair Instructions
      Engine Air Filter Servicing UPDATE - Procedures are available to support the maintenance, service intervals, and intake system inspection process for all engine air intake system components.
    • E326 Mar 6, 2026 · Emissions
      EPA17-24 MX-13 Fuel Injector Connector - This bulletin has been revised to include EPA24 PACCAR MX-13 engines.
    • 02-174 Aug 30, 2023 · Service Bulletin/Repair Instructions
      Certain W990 hood-mounted engine air intake covers could loosen and rattle or separate from vehicle. New air intake covers are available with improved retention. Installation of new covers requires hood modification. Procedures are available for replacement…
    • 02-184 Aug 30, 2023 · Service Bulletin/Repair Instructions
      Certain W990 chassis may have hood hardware that could loosen. Additionally, some chassis may have hood rests that are too rigid causing excessive noise. Hood attaching hardware and hood rests will be replaced as necessary.
    • 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…
    • 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.
    • E303 Jan 12, 2023 · Service Bulletin/Repair Instructions
      This campaign is the final opportunity to replace the oil filter screw cap to reduce occurrences of broken bypass valve tabs. Broken oil valve tabs can cause oil flow obstruction to critical engine parts, resulting in serious engine damage. Customers that d…
    • 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.
    • 22KWB May 10, 2022 · Service Bulletin/Repair Instructions
      Safety Recall â“ Interim Notification - The Dana D-Series front axle steer arm fasteners that attach the steer arm to the steering knuckle may fail, increasing the risk of a crash or injury. Repair information will be added when a repair procedure and parts…
    • 51-013 Feb 4, 2022 · Service Bulletin/Repair Instructions
      Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet Mobile Gateway (PMG001) will experience severe 3G service degradation as early as January of 2022. Chassis currently utilizing 3G antennas as a prim…
    • R2103 Jan 10, 2022 · Service Bulletin/Repair Instructions
      Retrofit - The emissions exemption will be expiring on 5/15/2022 for certain pre-production vehicles equipped with PACCAR MX-11 and MX-13 EPA 2021 Emissions engines. Production-level components are now available to make these vehicles compliant.
    • 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…
    • 02-168 Sep 20, 2021 · Service Bulletin/Repair Instructions
      Information Only - Rear axle Quarter Fenders with less than two inches of clearance between the top of the quarter fender and the bottom of the trailer/equipment are susceptible to damage. The lack of clearance could result in cracked/broken quarter fenders…
    • 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 .
    • 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.
    • 32-017 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.
    • 32-014 Oct 12, 2020 · Service Bulletin/Repair Instructions
      Fix-As-Fail – The Battery Management System (BMS) may report the incorrect battery condition. Additional diagnostics are available to correctly determine and repair the root cause of the issue.
    • A003 Oct 9, 2020 · Service Bulletin/Repair Instructions
      PACCAR has determined that all Set Forward Front Axle (SFFA) models with the PACCAR 20K front steer axle and wide-based tires have the potential to experience a shimmy or shake in the front axle. Wide-based tires include any series tires with widths of 385 …
    • 14-027 Sep 25, 2020 · Service Bulletin/Repair Instructions
      Information only: In 2020, Peterbilt and Kenworth began using the same M10, M12, M16, and M20 frame fasteners on all vehicles. Torque specifications for these fasteners are different from previous fasteners.
    • 37-001 Aug 26, 2020 · Service Bulletin/Repair Instructions
      Fix-As-Fail – The Master Switch Module (MSM) may lose dash switch memory and functionality when the battery disconnect switch is cycled. An improved MSM is available to resolve the issue.
    • 44-033 Jul 21, 2020 · Service Bulletin/Repair Instructions
      Non-Safety Campaign – The end cap welds on certain fuel tanks may not meet internal quality standards due to improper weld equipment settings. The fuel tanks will be replaced.
    • 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.
    • 32-016 Mar 17, 2020 · Service Bulletin/Repair Instructions
      Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
    • 02-157 Feb 26, 2020 · Service Bulletin/Repair Instructions
      Fix-As-Fail: The seal on T680, T880, and W990 windshields may be delaminated. Replace the windshield and encapsulated seal to resolve the issue.
    • 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…
    • 36-005 Jan 31, 2020 · Service Bulletin/Repair Instructions
      Information Only - Driver Performance Assistance (DPA) Coasting and Braking Scores Not Incrementing, Stays at 50%. The average score will never change nor create driver assistance popups based upon driverâ™s actions. A future software update will resolve 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.
    • 22-016 Dec 10, 2019 · Service Bulletin/Repair Instructions
      This bulletin has been obsoleted and replaced by Safety Recall 19KWE.
    • 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.
    • E240 Nov 27, 2019 · Service Bulletin/Repair Instructions
      Fix As Fail-Shudder sensation near the governed vehicle speed when using cruise control due to excessive control messaging from VECU. A VECU software update is available to correct the condition.
    • 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.
    • 34-077 Apr 8, 2019 · Service Bulletin/Repair Instructions
      Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
    • TIB34-073 Dec 5, 2018 · Service Bulletin/Repair Instructions
      Fix-As-Fail: Vehicles equipped with VECU may activate frequently when LVD is enabled. Resolution is to update the CECU software.
    Source: NHTSA manufacturer communications files.