Recall Register

2021 Kenworth T440: recalls and complaints

NHTSA lists 4 recall campaigns for the 2021 Kenworth T440. The newest campaign is 24V915000. NHTSA received the report on 9 Dec 2024. The NHTSA record gives the component Service Brakes, Hydraulic / Antilock/Traction Control/Electronic Limited Slip / Control Unit/Module. NHTSA has 1 complaint on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 24V915000, in the NHTSA record

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 1-940-591-4220. PACCAR's numbers for this recall are 24KWL and 24PBL.
NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.

NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

4 campaigns, newest first. 223,000 units in total.

  • 24V915000Service Brakes, Hydraulic / Antilock/Traction Control/Electronic Limited Slip / Control Unit/Module
  • 24V145000Service Brakes, Air / Supply / Reservoir/Tank
  • 21V601000Fuel System, Diesel / Delivery / Hoses, Lines/Piping, and Fittings
  • 21V391000Fuel System, Diesel / Fuel Injection System / Fuel Rail

  1. 24V915000Received . 220,764 units.

    Service Brakes, Hydraulic / Antilock/Traction Control/Electronic Limited Slip / Control Unit/Module

    Defect, in the NHTSA record
    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 functioning.
    Consequence, in the NHTSA record
    Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may not function properly or at all, increasing the risk of a crash.
    Remedy, in the NHTSA record
    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 1-940-591-4220. PACCAR's numbers for this recall are 24KWL and 24PBL.

    Report filed by PACCAR Incorporated. Manufacturer campaign number 24KWL 24PBL. Owner notification date in the NHTSA record: .

  2. 24V145000Received . 936 units.

    Service Brakes, Air / Supply / Reservoir/Tank

    Defect, in the NHTSA record
    PACCAR Incorporated (PACCAR) is recalling certain 2009-2021 Kenworth C500, 2012-2021 Kenworth T440, 2009-2015 Kenworth T660, 2015-2024 Kenworth T680, 2009-2024 Kenworth T800, 2009-2020 Kenworth T370, 2014-2023 Kenworth T880, 2011-2016 Kenworth T470, 2023 Kenworth T480, and 2009-2019 Kenworth W900 vehicles. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
    Consequence, in the NHTSA record
    Insufficient air volume can reduce braking performance and increase the risk of a crash.
    Remedy, in the NHTSA record
    Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed August 12, 2024. Additional owner notification letters were mailed October 27, 2025. Owners may contact PACCAR customer service at 1-425-828-5888. PACCAR's number for this recall is 24KWD.

    Report filed by PACCAR Incorporated. Manufacturer campaign number 24KWD. Owner notification date in the NHTSA record: .

  3. 21V601000Received . 688 units.

    Fuel System, Diesel / Delivery / Hoses, Lines/Piping, and Fittings

    Defect, in the NHTSA record
    PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Peterbilt 536, 537, 548 and Kenworth T270, T280, T370, T380, T440, T470, and T480 vehicles equipped with Cummins L9 diesel engines. A fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head.
    Consequence, in the NHTSA record
    A fuel leak in the presence of an ignition source increases the risk of a fire.
    Remedy, in the NHTSA record
    Cummins will replace the fuel hoses, free of charge. Owner notification letters are expected to be mailed in October 2021. Owners may contact PACCAR's customer service at 1-425-828-5888 (Kenworth) and 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21PBG and 21KWF.

    Report filed by PACCAR Incorporated. Manufacturer campaign number 21PBG and 21KWF.

  4. 21V391000Received . 612 units.

    Fuel System, Diesel / Fuel Injection System / Fuel Rail

    Defect, in the NHTSA record
    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.
    Consequence, in the NHTSA record
    A fuel leak in the presence of an ignition source increases the risk of a fire.
    Remedy, in the NHTSA record
    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 numbers for this recall are 21KWC and 21PBD.

    Report filed by PACCAR Incorporated. Manufacturer campaign number 21KWC, 21PBD. Owner notification date in the NHTSA record: .

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

1 complaint, 1 component mentions.

A complaint can name more than one component. Each component that a complaint names is one component mention. This model year has fewer than 50 component mentions, so the table shows the number of mentions only.

2021 Kenworth T440: component mentions in complaints
ComponentMentions
Service Brakes1
Complaints that report a crash
0
Complaints that report a fire
0
Injuries in the complaints
0
Deaths in the complaints
0
Date of the newest complaint
15 Mar 2022

These figures are the entries of the persons who sent the complaints.

Complaint: A report about a possible safety problem that a person sends to NHTSA. This site shows the number of complaints and not their text.

Complaints about the 2021 Kenworth T440, by the year NHTSA received them. The largest year is 2022, with 1 complaint.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

  1. 20101
  2. 20117
  3. 20129
  4. 20137
  5. 20149
  6. 20157
  7. 20166
  8. 20172
  9. 20184
  10. 20194
  11. 20203
  12. 20214
  13. 20224
  14. 20233

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

Official channels

Cite this page

Recall Register. 2021 Kenworth T440: recalls and complaints. https://recallregister.com/vehicle/kenworth/t440/2021/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .

Sources

Source
NHTSA Office of Defects Investigation
Licence
US government work, public domain
Recall file through
30 Sep 2026
Complaint file through
30 Sep 2026
First complaint in the file
1 Jan 1995
Manufacturer in the recall file
PACCAR Incorporated

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2021 Kenworth T440?
223,000 units in 4 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Kenworth T440 have for all model years?
NHTSA lists 27 recall campaigns for the Kenworth T440, model years 2010 to 2023. 4 of them name the 2021 model year.
Which component do the complaints about the 2021 Kenworth T440 name most often?
Service Brakes: 1 of 1 component mention.
Is an NHTSA investigation of the 2021 Kenworth T440 open?
The NHTSA investigation file has no investigation that names this model year.