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Model year

2021 Kenworth T380

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

Recalls (5)Complaints (0)Investigations (0)Bulletins (28)
Recall campaigns covering this model year5300k 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 T380 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

5 recall campaigns cover the 2021 Kenworth T380

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 T380
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
24V-190Mar 20, 2024Right-hand gear shifter stalk connectors may have been improperly crimped, resulting in a loss of communicationPowertrain70,509Part replacement
23V-661Sep 29, 2023Timing of the trailer brake release may be delayedBrakes254Part replacement
23V-087Feb 15, 2023When the brake pedal is fully applied and then released rapidly, the pedal plunger that connects the brake pedal to the brake valve may become…Brakes8,008Repair or modification
21V-601Aug 3, 2021Fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter headFuel system688Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Kenworth T380

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

    28 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.
    • 43-080 Jun 3, 2026 · Service Bulletin/Repair Instructions
      "KW: A new recommended repair has been added to verify the software level and close the campaign in SIR.The repair procedure has been updated with additional note boxes for clear instructions. PB: The repair procedure has been updated with additional note …
    • 02-177 May 6, 2026 · Service Bulletin/Repair Instructions
      Troubleshooting procedures for 2.1m cab power windows are now available.
    • 14-034 Apr 16, 2026 · Service Bulletin/Repair Instructions
      Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values.
    • 45-069 Feb 3, 2026 · Service Bulletin/Repair Instructions
      Cummins TSB 210203 has been updated to remove the PACCAR suction side fuel filter part number from Table 1 as the filter is no longer compatible.
    • 24PBE_KWE Feb 11, 2026 · Service Bulletin/Repair Instructions
      The Parts section has been updated to clarify that freight charges for safety recall orders should not be passed on to the end customer.
    • 24KWE / 24PBE Jan 31, 2026 · Service Bulletin/Repair Instructions
      The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereb…
    • 24PBE_24KWE Jan 13, 2026 · Warranty Program/Extension
      24PBE_24KWE RH Shift Stalk Update Warranty section has been updated with revised verbiage for picture requirements.
    • 24KWE/24PBE Dec 24, 2025 · Emissions
      The parts section has been updated for clarity. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicl…
    • 24PBE/KWE Dec 16, 2025 · Warranty Program/Extension
      The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, ther…
    • 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.
    • 24KWE Nov 26, 2025 · Service Campaign
      The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harness connector. Loss of communication between the right-hand shift stalk and the vehicle may result in the vehicle being disabled after it comes to a stop, thereb…
    • 98-026 May 16, 2024 · Service Bulletin/Repair Instructions
      New tools are required to support PACCAR TX-8 / ZF transmissions. Part numbers E0l-1012 (Adapter, Jack TX-8), E0l-1014 (Front Seal Installer), and E0l-1015 (Rear Seal Installer) are currently available to order
    • 24KWE Mar 21, 2024 · Service Bulletin/Repair Instructions
      Safety Recall – INTERIM NOTIFICATION Parts are not currently available for this safety recall. This bulletin will be updated once repair parts are available. The right-hand shift stalk may have an improper wire harness terminal crimp within the wire harne…
    • 23KWJ Dec 27, 2023 · Service Bulletin/Repair Instructions
      Safety Recall 23KWJ: T280/T380/T480 Delayed Trailer Brake Release T280/T380/T480 Delayed Trailer Brake Release. Safety Recall Certain T280/T380/T480 chassis built with 2.1m Medium Duty End of Frame Trailer Connections and Tractor Protection Valves may not …
    • 23KWJ Oct 19, 2023 · Service Bulletin/Repair Instructions
      Safety Recall Interim Notification Certain T280/T380/T480 chassis built with 2.1m Medium Duty End of Frame Trailer Connections may not meet the standard trailer brake release timing requirements by 0.5 seconds. A delay in the trailer brake release can cre…
    • 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…
    • 23KWB May 3, 2023 · Service Bulletin/Repair Instructions
      Parts and repair procedures are now available. Kenworth has determined that a safety defect exists in certain Model Year 2021-2024 T280, T380, and T480 chassis with air brakes. The brake pedal plunger which connects the brake pedal to the brake valve may di…
    • 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…
    • T013 Jul 27, 2022 · Service Bulletin/Repair Instructions
      chassis with a PACCAR TX-8 transmission without cruise control may have active transmission faults 86-2 and 595-2. These faults do not affect the operation of the transmission and can be ignored.
    • E282 Dec 17, 2021 · Service Bulletin/Repair Instructions
      Information Only: Due to differences between the PACCAR MX-11 or MX-13 2021A and 2021B engines, technicians must be able to identify which of these engines are in a chassis.
    • 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…
    • 21 KWF Aug 6, 2021 · Service Bulletin/Repair Instructions
      ​Safety Recall - Model year 2021 Cummins PX9 fuel hose assemblies may leak from the hoses between the fuel pump and the remote filter head. A fuel leak in the presence of an ignition source may increase the risk of a fire. A repair is now available.
    • 43-069 Aug 17, 2021 · Service Bulletin/Repair Instructions
      A DPF regeneration two-position switch parameter is causing inhibited DPF regeneration. A parameter update, via Cummins Insite, restores proper DPF regeneration function.
    • 02-164 Jun 14, 2021 · Service Bulletin/Repair Instructions
      A vinyl camouflage wrap was applied to new model T280, T380, and T480 cabs built during pre-production.The purpose of the wrap was to protect the confidentiality of the trucks until the unveiling. The wrap can now be removed.
    • 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 .
    Source: NHTSA manufacturer communications files.
    About service bulletins