Model year

2023 Kenworth T800B

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

Recall campaigns covering this model year5274k 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 2023 Kenworth T800B 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 2023 Kenworth T800B

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 2023 Kenworth T800B
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
23V-717Oct 26, 2023Additional spacer may have been added to the joint that connects the seat to the seat belt tether and buckle, causing an unsecured connectionSeat belts3,841Part replacement
22V-782Oct 18, 2022Tie rod clamps may have been improperly heat-treated, causing them to fail and allowing the tie rods to separateSteering79Part replacement
22V-631Aug 17, 2022Engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stallEngine and cooling1,601Part replacement
22V-547Jul 28, 2022Steering gears may have been assembled incorrectly, which can cause the gears to fractureSteering47,500Part replacement
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2023 Kenworth T800B

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

    18 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.
    • 43-087 May 5, 2026 · Service Bulletin/Repair Instructions
      (KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation.
    • 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.
    • 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…
    • 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.
    • 23KWK Mar 1, 2024 · Service Bulletin/Repair Instructions
      Safety Recall Repair parts and procedures are now available. On certain Kenworth model years 2018 through 2024 C500/T660/T800/W900 trucks with Sears Atlas 70 or 80 series seats, a spacer was installed on the seatbelt mounting assembly. In a severe collisio…
    • 23KWK Nov 28, 2023 · Service Bulletin/Repair Instructions
      Safety Recall Interim Notification On certain Kenworth model year 2018 through 2024 C500/T660/T800/W900 trucks with Sears Atlas 70 or 80 series seats, an additional spacer was installed on the seatbelt mounting assembly. In a severe collision, the ICP bar…
    • E290 Jun 28, 2023 · Service Bulletin/Repair Instructions
      FIX-AS-FAIL Updated procedures and claim filing information. EPA2021 injector cleaning is referenced in RMI for certain injector faults. Complete the procedures in E290. Refer to E300 for in-tank additive information
    • E290 Mar 31, 2023 · Service Bulletin/Repair Instructions
      FIX-AS-FAIL Updated procedures and claim filing information. EPA2021 injector cleaning is referenced in RMI for certain injector faults. Complete the procedures in E290. Refer to E300 for in-tank additive information
    • E300 Mar 31, 2023 · Service Bulletin/Repair Instructions
      PACCAR will reimburse customers for the local purchase of in-tank fuel additive for EPA2021 compliant MX engines. This is a one-time reimbursement. Only customers who have received E290 injector cleaning qualify for this reimbursement. See bulletin for limi…
    • 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.
    • S016 Jul 22, 2022 · Service Bulletin/Repair Instructions
      ​Chassis were shipped without door stop plates installed due to a supplier shortage. Parts kits are now available and shipped to dealers. Installation procedures and warranty information have been included. Cotter pins are not included in the parts kit and …
    • S017 Jun 8, 2022 · Service Bulletin/Repair Instructions
      Due to a global chip shortage, certain chassis will be shipped without the Bendix side object detection radar modules and A-pillar displays. Refer to Sales Bulletin TE2680 for details.
    • S016 May 19, 2022 · Service Bulletin/Repair Instructions
      NFO ONLY – Certain Model Year 2023 T800, W900, and C500 chassis were shipped without door stop plates installed due to a supplier shortage. This bulletin will be updated once parts are available.
    • FS010 May 19, 2022 · Service Bulletin/Repair Instructions
      Certain T680 NextGen chassis equipped with an RCX230 Horton fan clutch and a Cummins X15 engine are experiencing an adapter harness failure. This failure causes the fan to remain activated while the truck is in operation and may trigger a check engine light…
    Source: NHTSA manufacturer communications files.