2023 Kenworth T680

The defect

PACCAR Incorporated (PACCAR) is recalling certain 2022-2025 Peterbilt 520, 579, and 2021-2025 Kenworth T680 trucks. The high voltage (HV) contactors may open, causing a sudden loss of high voltage and a loss of drive power.

The risk

A loss of drive power increases the risk of a crash.

The remedy

Dealers will update the software and replace the electrical harness, free of charge. Owner notification letters were mailed May 13, 2025. Owners may contact Peterbilt's customer service at 1-940-591-4220 and Kenworth's customer service at 1-425-828-5888. PACCAR's numbers for this recall are 25PBC and 25KWC.

PACCAR Incorporated · up to 238 vehicles across all model years covered

The defect

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.

The 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.

The 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.

PACCAR Incorporated · up to 220,764 vehicles across all model years covered

The defect

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.

The risk

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.

The 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.

PACCAR Incorporated · up to 70,509 vehicles across all model years covered

The defect

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."

The risk

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

The 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.

PACCAR Incorporated · up to 936 vehicles across all model years covered

The defect

PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Peterbilt 579 and 2023 Kenworth T680 vehicles. Incorrect software in the battery electric heavy duty electronic stability control program may underestimate the mass of the vehicle. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 136, "Electronic Stability Control Systems on Heavy Vehicles."

The risk

An incorrect estimate of the vehicle mass can reduce the performance of the stability control system and increase the risk of a crash.

The remedy

Dealers will update the software, free of charge. Owner notification letters are expected to be mailed March 17, 2023. 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 23PBA and 23KWA.

PACCAR Incorporated · up to 46 vehicles across all model years covered

The defect

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."

The risk

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

The 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.

PACCAR Incorporated · up to 74,730 vehicles across all model years covered

The defect

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.

The risk

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

The 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.

PACCAR Incorporated · up to 1,601 vehicles across all model years covered

The defect

PACCAR Incorporated (PACCAR) is recalling certain 2022-2023 Kenworth T680 tractor trailers. The mud flap may contact the fuel tank while the vehicle is in motion, creating wear on the fuel tank over time.

The risk

Excessive wear of the fuel tank may allow fuel to spill on the roadway, which can increase the risk of a crash or injury.

The remedy

Dealers will inspect the fuel tank and install an anti-sail device to prevent the mud flap from contacting the fuel tank, free of charge. Owner letters were mailed February 1, 2023. Owners may contact Kenworth's customer service at 1-425-828-5888. Paccar's number for this recall is 22KWF.

PACCAR Incorporated · up to 630 vehicles across all model years covered

The defect

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.

The risk

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

The 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.

PACCAR Incorporated · up to 47,500 vehicles across all model years covered

205,000 miles

The contact owns a 2023 Kenworth T680. The contact stated that while operating the vehicle and pressing the wiper fluid button, the wiper fluid did not immediately spray, and the contact was unable to immediately clean the front windshield. The contact stated the after several attempts the wiper fluid sprayer operated normally. Later, the front windshield wipers malfunctioned. The contact stated that when the front windshield wipers were activated in the continuous setting, the wipers were randomly delayed. Additionally, while activating the turn signal and the wipers the features were delayed. The vehicle was taken to the local dealer who diagnosed an electrical short in the wiper and turn …

NHTSA complaint 11724047, quoted in part. Filed by an owner and not verified by NHTSA or by us.

I have 2 Kenworth trucks VIN [XXX] and [XXX] both on recall NHTSA 24V190. The recalls have been performed my issue is with reimbursement for prior replacement for the recalled parts. I have attached emails from Paccar as well as the invoices for the replacement of the recalled parts. Any help you can provide is appreciated as I'm not getting anywhere with Paccar or the dealers. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint 11718845. Filed by an owner and not verified by NHTSA or by us.

362,000 miles

The contact owns a 2023 Kenworth T680 equipped with Goodyear Tires, Tire Line: Endurance, Tire Size: 297/75/R22.5, DOT Number: 1MC37L1BW0624. The contact stated that while driving 65 MPH, there was an abnormal sound coming from the front passenger’s side of the vehicle, and afterwards, the contact felt heavy vibrations coming from the steering wheel. After a visual inspection, the contact observed that the front passenger’s side tire casing had separated from the tread. The tires were taken to an independent mechanic, who failed to provide a diagnosis. The tire was replaced by Roadside Assistance. The manufacturer was not notified of the failure. The vehicle failure mileage was 362,000, and …

NHTSA complaint 11685999, quoted in part. Filed by an owner and not verified by NHTSA or by us.

338,388 miles

The contact owns a 2023 Kenworth T680. The contact received notification of NHTSA Campaign Number: 24V190000 (Power Train) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall. The contact stated that while driving at an undisclosed speed, the transmission was not operating properly. The contact stated that the vehicle downshifted unexpectedly with the transmission fault warning light illuminated. The vehicle was restarted; however, the failure recurred. The dealer was contacted; however, the vehicle was not repaired. The manufacturer was made aware of …

NHTSA complaint 11606528, quoted in part. Filed by an owner and not verified by NHTSA or by us.

135,000 miles

The contact's employer owns a 2023 Kenworth T680. The contact stated that while driving at 55 MPH with the Lane Departure Mitigation System activated, and the brakes were applied unintendedly. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 135,000.

NHTSA complaint 11524865. Filed by an owner and not verified by NHTSA or by us.