Model year record

2021 KENWORTH T440

4 recall campaigns on file for this model year. 1 owner complaint on file.

Recalls

Recall campaignNHTSA 24V915000

Electrical system: software

Component
Electrical system: software
Manufacturer
PACCAR Incorporated
Vehicles affected
220,764
Reported to NHTSA
2024-12-09
Owners notified
2025-02-03

Defect description

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.

Safety risk

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.

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

Recall campaignNHTSA 24V145000

Service brakes, air: supply: reservoir/tank

Component
Service brakes, air: supply: reservoir/tank
Manufacturer
PACCAR Incorporated
Vehicles affected
936
Reported to NHTSA
2024-02-23
Owners notified
2024-08-12

Defect description

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."

Safety risk

Insufficient air volume can reduce braking performance and increase the risk of a crash.

Manufacturer remedy

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.

Recall campaignNHTSA 21V601000

Fuel system, diesel: delivery: hoses, lines/piping, and fittings

Component
Fuel system, diesel: delivery: hoses, lines/piping, and fittings
Manufacturer
PACCAR Incorporated
Vehicles affected
688
Reported to NHTSA
2021-08-03
Owners notified
2021-07-30

Defect description

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.

Safety risk

A fuel leak in the presence of an ignition source increases the risk of a fire.

Manufacturer remedy

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.

Recall campaignNHTSA 21V391000

Fuel system, diesel: fuel injection system: fuel rail

Component
Fuel system, diesel: fuel injection system: fuel rail
Manufacturer
PACCAR Incorporated
Vehicles affected
612
Reported to NHTSA
2021-05-26
Owners notified
2021-07-30

Defect description

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.

Safety risk

A fuel leak in the presence of an ignition source increases the risk of a fire.

Manufacturer 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 numbers for this recall are 21KWC and 21PBD.

Owner complaints

A complaint is one person's report to a federal agency. It is not a finding.

ComponentComplaintsMedian mileage
Service brakes1

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.