Kenworth W990 recalls by model year

Reported: 2022-04-25 (April 25, 2022) · Model years: 2018, 2019, 2020

PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 Kenworth T270, T370, T440, T470, T660, T680, T880, T800, W900, W990; and 2018-2020 Peterbilt 330, 337, 348, 365, 367, 389, 520, 567, and 579 vehicles. The Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may fail.

Consequence: Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.

Remedy: Dealers will replace and torque the steer arm fasteners, at no charge. Owner notification letters were mailed November 8, 2022. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 22 PBB and 22 KWB.

Reported: 2021-11-19 (November 19, 2021) · Model years: 2019, 2020, 2021, 2022

PACCAR Incorporated (PACCAR) is recalling certain 2019-2022 Kenworth T880, W990, Peterbilt 567, 579, 389, and 2022 Peterbilt 536, 537 wrecker and auto hauler vehicles. The work brake (winch brake) may unintentionally disengage the service brakes during winching operations, causing the vehicle to roll.

Consequence: Unintended vehicle movement can increase the risk of a crash or injury.

Remedy: Dealers will update the vehicle software, free of charge. Owner notification letters were mailed on January 3, 2022. 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 21KWG and 21PBM.

Reported: 2019-03-05 (March 5, 2019) · Model years: 2020

PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T680, T800, T880, W900 and W990 trucks. The rear axles may not contain oil.

Consequence: Without lubricating oil, the bearings, hub and axle shafts may wear, resulting in the separation of a wheel end from the axle, increasing the risk of a crash.

Remedy: Paccar will notify owners, and Kenworth dealers will inspect all of the rear axles for the presence of oil. If no oil is present, the wheels ends will be removed and the bearings, hub and axle shaft will be inspected for damage. If excessive wear or heat damage is evident, the components will be replaced, as necessary. Oil will then be added per the axle specifications. These repairs will be performed free of charge. The recall began April 16, 2019. Owners may contact Kenworth customer service at 1-425-828-5888. Paccar's number for this recall is 19KWA.

Reported: 2019-12-19 (December 19, 2019) · Model years: 2020

PACCAR Incorporated (PACCAR) is recalling certain 2020 Kenworth T800, T880 and W990 and Peterbilt 348, 367, 389, 520, and 567 vehicles. The forward rear axle output shafts may have been improperly heat treated during manufacturing, possibly resulting in the shafts fracturing.

Consequence: If the rear axle output shaft fractures, the shaft or interaxle driveline could detach and become a road hazard, increasing the risk of a crash.

Remedy: PACCAR will notify owners, and dealers will inspect and replace the output shafts, as necessary, free of charge. The recall began February 19, 2020. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 19KWE and 19PBG.

Reported: 2020-08-26 (August 26, 2020) · Model years: 2020, 2021

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 feature of the corresponding nuts.

Consequence: The short screws can cause the hardware to separate from the suspension system and become road hazards, increasing the risk of a crash and/or injury.

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 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall is 20PBE and 20KWC.

Reported: 2021-02-17 (February 17, 2021) · Model years: 2021

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.

Consequence: A detached flywheel can cause loss of drive power, increasing the risk of a crash. Additionally, driveline pieces may be ejected from the engine compartment, increasing the risk of injury.

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 contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWA and 21PBB.

Reported: 2024-03-20 (March 20, 2024) · Model years: 2021, 2022, 2023, 2024, 2025

PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Peterbilt 365, 367, 389, 535, 536, 537, 548, 567, 579, and 2021-2025 Kenworth T180, T280, T380, T480, T680, T880 and W990 trucks. The right-hand gear shifter stalk connectors may have been improperly crimped, resulting in a loss of communication.

Consequence: A loss of communication between the gear shifter and the transmission may result in the vehicle becoming disabled after coming to a stop, increasing the risk of a crash.

Remedy: Dealers will inspect and replace the gear shifter assembly as necessary, free of charge. Owner letters were mailed December 15, 2025, then phased after that. Owners may contact Kenworth customer service at 1-425-828-5888 or Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24PBE and 24KWE.

Reported: 2024-12-09 (December 9, 2024) · Model years: 2021, 2022, 2023, 2024, 2025

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: 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: 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.

Reported: 2021-04-13 (April 13, 2021) · Model years: 2022

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 sequence, starter interlock, and transmission braking effect."

Consequence: Starting the vehicle when the transmission is not in PARK may cause unintended vehicle movement, increasing the risk of a crash.

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 at 1-425-828-5888. PACCAR's number for this recall is 21KWB.

Reported: 2022-07-28 (July 28, 2022) · Model years: 2022, 2023

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 to fracture.

Consequence: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.

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 service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 22PBE and 22KWE.

Reported: 2022-10-17 (October 17, 2022) · Model years: 2022, 2023

PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Kenworth T680, T880, W990, and Peterbilt 365, 367, 389, 567, and 579 vehicles. The digital display may freeze and not display critical safety information. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 101, "Control and Displays" and 102, "Trans Shift Lever Seq/Starter Interlock/Trans Braking Effect."

Consequence: The loss of display information, such as vehicle speed and warning lights, can increase the risk of a crash.

Remedy: Dealers will update the software, 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 customer service at 1-940-591-4220. PACCAR's numbers for this recall are 22KWK and 22PBK.

Reported: 2022-08-17 (August 17, 2022) · Model years: 2023

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.

Consequence: An unexpected engine stall can increase the risk of a crash.

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 1-940-591-4220. PACCAR's number for this recall is 22KWG and 22PBG.

Reported: 2022-10-18 (October 18, 2022) · Model years: 2023

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.

Consequence: Tie rod separation can result in a sudden loss of steering, increasing the risk of a crash.

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 customer service at 1-940-591-4220. PACCAR's numbers for this recall are 22PBJ and 22KWJ.

Reported: 2024-01-25 (January 25, 2024) · Model years: 2024

PACCAR Incorporated (PACCAR) is recalling certain 2024 Peterbilt 367, 389, 520, 567, and Kenworth T800, T880, W900, and W990 trucks. The bearing journals may not be fully seated in the steering knuckle assemblies, preventing the proper installation of the wheel end hub assemblies.

Consequence: An improperly installed wheel end hub assembly can leak oil, causing the axle spindles to loosen or fracture and increasing the risk of a crash.

Remedy: Dealers will inspect and replace the steering knuckle assemblies as necessary, free of charge. Owner letters were mailed February 23, 2024. Owners may contact Peterbilt customer service at 1-940-591-4220 and/or Kenworth customer service at 1-425-828-5888. PACCAR's numbers for this recall are 24PBB and 24KWB.

Reported: 2024-01-25 (January 25, 2024) · Model years: 2024, 2025

PACCAR Incorporated (PACCAR) is recalling certain 2024-2025 Kenworth T280, T380, T480, T680, T880, L770, W990, and 2024-2025 Peterbilt 389, 520, 535, 536, 537, 548, 567, 579, 589 trucks. The steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than are required, which may result in a loss of steering control.

Consequence: A loss of steering control increases the risk of a crash.

Remedy: Dealers will inspect and replace the steering gears as necessary, free of charge. Owner notification letters were mailed March 20, 2024. Owners may contact Peterbilt customer service at 1-940-591-4220 and/or Kenworth customer service at 1-425-828-5888. PACCAR's numbers for this recall are 24PBC and 24KWC.

Reported: 2025-06-26 (June 26, 2025) · Model years: 2024, 2025, 2026

PACCAR Incorporated (PACCAR) is recalling certain 2024-2026 Kenworth T480, T680, T880, W990, Peterbilt 520, 536, 537, 548, 567, 579, 589, 2025 Kenworth T180, Peterbilt 535, 2025-2026 Kenworth T280, T380 and L770 vehicles. The tail brake light, upper and lower beam headlights, reverse light, and turn signal may not illuminate as intended. In addition, the lift axles, if lowered, may revert to a raised position, or oscillate up and down when the signal warning lights are activated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices and Associated Equipment."

Consequence: Delayed and unsteady headlights can result in insufficient illumination of the road, decreasing the driver's visibility and increasing the risk of a crash. In addition, an unexpected position change of the lift axles may increase the risk of injury.

Remedy: Dealers will update the VCU software, free of charge. Owner letters were mailed August 19, 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 number for this recall is 25PACF.

Reported: 2025-09-02 (September 2, 2025) · Model years: 2024, 2025, 2026

PACCAR Incorporated (PACCAR) is recalling certain 2024-2026 Kenworth T680, T880, and W990 trucks. The 15-inch digital display may fail to display warning lights or vehicle speed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 101, "Controls and Displays" and 121, "Air Brake Systems."

Consequence: An instrument panel display that does not show critical information, such as warning lights or vehicle speed, increases the risk of a crash.

Remedy: Dealers will update the vehicle display software, free of charge. Owner letters were mailed October 27, 2025. Owners may contact Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 25PACG.

Reported: 2024-03-27 (March 27, 2024) · Model years: 2025

PACCAR Incorporated (PACCAR) is recalling certain 2025 Peterbilt 536, 548, 567, 579, and Kenworth T280, T380, T480, T680, T880, and W990 vehicles. The steering gear sector shaft may have been improperly heat-treated, which can cause the gear teeth to crack or fracture.

Consequence: Fractured steering gear teeth can cause a loss of steering control, increasing the risk of a crash.

Remedy: Dealers will inspect the serial numbers, and replace the steering gears as necessary, free of charge. Owner notification letters were mailed August 7, 2024. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24PBF and 24KWF.

Reported: 2024-06-12 (June 12, 2024) · Model years: 2025

PACCAR Incorporated (PACCAR) is recalling certain 2025 Kenworth K270, K370, L770, T280, T380, T480, T680, T880, W900, W990, 2025 Peterbilt 220, 520, 536, 537, 548, 567, 579, and 589 trucks. The tie rod or drag link assembly may contain an improperly heat-treated ball stud, causing the ball stud to break.

Consequence: A broken ball stud can cause a complete loss of steering control, increasing the risk of a crash.

Remedy: Owners are advised not to drive their vehicles until the remedy has been completed. Dealers will inspect and replace the tie rod and drag link assemblies as necessary, free of charge. Owner notification letters were mailed August 6, 2024. Owners may contact Kenworth customer service at 1-425-828-5888 and Peterbilt customer service at 1-940-591-4220. PACCAR's numbers for this recall are 24KWG and 24PBG.

Reported: 2024-10-23 (October 23, 2024) · Model years: 2025

PACCAR Incorporated (PACCAR) is recalling certain 2025 Kenworth C500, T680, T800, T880, W900, W990, Peterbilt 567, 579, and 589 trucks, equipped with Cummins X15 diesel engines. The fuel pump barrels may fracture and cause a fuel leak, which can result in an engine stall.

Consequence: An engine stall increases the risk of a crash.

Remedy: Dealers will replace the fuel pump barrels, free of charge. Owner notification letters were mailed November 15, 2024. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. Owners may also contact Cummins Customer Service at 812-377-5000. PACCAR's numbers for this recall are 24KWH and 24PBH.

Reported: 2026-07-27 (July 27, 2026) · Model years: 2027

PACCAR Incorporated (PACCAR) is recalling certain 2027 Peterbilt and Kenworth vehicles. Please see the recall report for a complete list of models. The power distribution center (PDC) box may be contaminated with oil, which could result in a loss of drive power, Antilock Brake System (ABS) functionality, exterior lighting, windshield wipers, or the defogging system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 103, "Windshield Defrosting and Defogging Systems," 104, "Windshield Wiping and Washing Systems," and 108, "Lamps, Reflective Devices, and Associated Equipment."

Consequence: A loss of lighting, windshield wipers, ABS function, or a loss of drive power can increase the risk of a crash.

Remedy: Dealers will inspect the PDC serial numbers, and replace the PDC boxes as necessary, free of charge. Interim letters notifying owners of the safety risk are expected to be mailed September 25, 2026. Additional letters will be sent once the final remedy is available. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACD.

Reported: 2026-08-21 (August 21, 2026) · Model years: 2027

PACCAR Incorporated (PACCAR) is recalling certain 2027 Peterbilt 567, 579, 589 and 2027 Kenworth T680, T880, and W990 vehicles. The seat ventilation harness may be missing heat-shrink, resulting in a short circuit.

Consequence: A short circuit increases the risk of a fire.

Remedy: Dealers will replace the harnesses, free of charge. Owner notification letters are expected to be mailed October 20, 2026. Owners may contact Peterbilt's customer service at 1-940-591-4220 or Kenworth's customer service at 1-425-828-5888. PACCAR's number for this recall is 26PACE.