AutoStatsIQ
Data through Oct 2026
Model year

2021 Kenworth W900B

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

Recalls (1)Complaints (0)Investigations (0)Bulletins (5)
Recall campaigns covering this model year1221k 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 2021 Kenworth W900B 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

One recall campaign covers the 2021 Kenworth W900B

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 2021 Kenworth W900B
CampaignFiledSubjectComponentVehiclesRemedy
24V-915Dec 9, 2024Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop functioningElectrical system220,764Software update
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Kenworth W900B

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

    5 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."
    • 24KWL/PBL Aug 13, 2026 · Service Bulletin/Repair Instructions
      The verbiage in the Introduction section has been updated.
    • 14-034 Apr 16, 2026 · Service Bulletin/Repair Instructions
      Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.
    • 45-070 Jan 31, 2026 · Service Bulletin/Repair Instructions
      Procedure pictures updated for clarity. When troubleshooting Cummins X15 fault codes 555 or 556, follow this additional testing, inspection, and documentation procedure to help identify the root cause of dusted engines. This is not a stand-alone process bu…
    • 43-076 Dec 31, 2025 · Service Bulletin/Repair Instructions
      Certain vehicle model years 2020-2025 K270, K370, T270, T280, T370, T380, T480, T680, T880, W900 chassis have updated Greenhouse Gas (GHG) labels available for installation.
    Source: NHTSA manufacturer communications files.
    About service bulletins