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Kenworth T800B Recalls & Complaints by Model Year

NHTSA lists 9 safety recalls and 2 owner complaints across 7 model years of the Kenworth T800B (1996–2025). The most-complained-about year is 1996.

9
safety recalls, all years
2
owner complaints, all years
2021
year with most recalls
1996
year with most complaints

Pick your Kenworth T800B model year

Model yearRecallsComplaints
2025 Kenworth T800B10
2024 Kenworth T800B10
2023 Kenworth T800B50
2022 Kenworth T800B50
2021 Kenworth T800B50
2000 Kenworth T800B01
1996 Kenworth T800B01

What Kenworth T800B owners complain about

Across all model years, owners have filed 2 complaints with NHTSA. The 1996 model year has the most, with 1.

All Kenworth T800B recalls (9)

Every NHTSA safety campaign that lists a Kenworth T800B, most recent first, with the model years each one covers.

  1. Software (electrical system) and service brakes, hydraulic: control unit/module

    NHTSA 24V915000 Reported 220,764 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2021-2025 Peterbilt and Kenworth vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Please see the recall report for a complete list of models. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop…

    Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed February 3, 2025. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at…

    Model years: 2021, 2022, 2023, 2024, 2025

  2. Seat belts

    NHTSA 23V717000 Reported 3,841 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T660, 2018-2024 Kenworth T800 and W900 vehicles. An additional spacer may have been added to the joint that connects the seat to the seat belt tether and buckle, causing an unsecured connection.

    Remedy: Dealers will inspect and remove the additional spacer and replace the bolt, as necessary, free of charge. Owner letters were mailed March 20, 2024. Owners may contact PACCAR's customer service at 1-425-828-5888.…

    Model years: 2021, 2022, 2023

  3. Tie rod assembly (steering)

    NHTSA 22V782000 Reported 79 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2023 Peterbilt 348, 367, 389, 548, 567, and Kenworth T370, T480, T800, T800B, T880, W900B, and W990 vehicles. The tie rod clamps may have been improperly heat-treated, causing them to fail and allowing the tie rods to separate.

    Remedy: Dealers will replace both tie rod clamps, free of charge. Owner notification letters are expected to be mailed December 16, 2022. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's…

    Model years: 2023

  4. Engine control module (ecu/ecm) (engine and engine cooling)

    NHTSA 22V631000 Reported 1,601 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2023 Peterbilt 220, 389, 520, 536, 537, 348, 367, 567, 548, 579, and 2023 Kenworth T680, K270, T440, T880, W990, K370, T280, T380, T480, T800, and W900 vehicles. The engine control module (ECM) may experience an internal electrical short-circuit, causing the engine to stall.

    Remedy: Dealers will replace the ECM, free of charge. Owner notification letters are expected to be mailed October 16, 2022. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at…

    Model years: 2023

  5. Steering

    NHTSA 22V547000 Reported 47,500 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Kenworth T170, T270, T280, T370, T380, T440, T470, T480, T680, T800, T880, W900, W990, C500, and 2022-2023 Peterbilt 325, 330, 337, 348, 365, 367, 389, 520, 536, 537, 548, 567, and 579 vehicles. The steering gears may have been assembled incorrectly, which can cause the gears…

    Remedy: Dealers will inspect the steering gear serial numbers, and replace the steering gears as necessary, free of charge. Owner notification letters were mailed September 26, 2022. Owners may contact Kenworth's customer…

    Model years: 2022, 2023

  6. Fuel rail (fuel system)

    NHTSA 21V391000 Reported 612 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

    Remedy: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's…

    Model years: 2021

  7. Power train

    NHTSA 21V262000 Reported 53 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2022 Kenworth T440, T470, T800, and W900 vehicles. The starter interrupt may allow the vehicle to start when the transmission is not in PARK. As such, these vehicles fail to comply with the requirements of the Federal Motor Vehicle Safety Standard number 102, "Transmission shift position…

    Remedy: Paccar will notify owners, and dealers will inspect and reconnect the transmission and chassis harness, free of charge. Owner notification letters were mailed on May 26, 2021. Owners may contact PACCAR customer service…

    Model years: 2022

  8. Engine

    NHTSA 21V080000 Reported 132 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Kenworth T680, T880, W990, T800, W900 and Peterbilt 579, 567, 389, 367 vehicles equipped with a Cummins X15 engine. The capscrews that attach the flywheel to the crankshaft may have been improperly torqued, allowing the flywheel to detach.

    Remedy: PACCAR will notify owners, and dealers will properly torque the capscrews and the engine will also be inspected for damage and, if necessary, repaired, free of charge. The recall began on March 29, 2021. Owners may…

    Model years: 2021, 2022

  9. Axle assembly (power train)

    NHTSA 20V506000 Reported 1,097 vehicles potentially affected PACCAR Incorporated

    PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 348, 365, 367, 389, 520, 567 and Kenworth T800, T880, W900, W990 vehicles equipped with Watson and Chalin steerable lift axle suspension systems (model SL2065). The axles may have lower rear pivot bolts that are not long enough to sufficiently engage the locking…

    Remedy: PACCAR will notify owners, and dealers will inspect suspect chassis and replace the pivot bolts, as necessary, free of charge. The recall began September 29, 2020. Owners may contact Kenworth customer service at…

    Model years: 2021

Other Kenworth models

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.