PACCAR Incorporated

Up to 58 vehicles

Delayed brake response time can increase the risk of a crash.

Covers: 2027 Peterbilt 548

Up to 811 vehicles

A short circuit increases the risk of a fire.

Covers: 2027 Peterbilt 579, 2027 Peterbilt 567, 2027 Kenworth T680, 2027 Kenworth W990, 2027 Peterbilt 589, 2027 Kenworth T880

Up to 5,925 vehicles

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

Covers: 2027 Kenworth W990, 2027 Kenworth T880, 2027 Kenworth T480, 2027 Kenworth T680, 2027 Peterbilt 579, 2027 Kenworth T380, 2027 Peterbilt 567, 2027 Peterbilt 589 and 4 more

Up to 8 vehicles

An incorrectly installed quick release valve that does not function properly can increase the risk of a crash.

Covers: 2027 Peterbilt 579, 2026 Peterbilt 579, 2027 Kenworth T680

Up to 219 vehicles

A steering cross-shaft that fails can cause a loss of steering control, increasing the risk of a crash.

Covers: 2024 Peterbilt 520, 2025 Peterbilt 520, 2026 Peterbilt 520, 2026 Kenworth L770

Up to 62 vehicles

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

Covers: 2026 Peterbilt 589, 2026 Peterbilt 567

Up to 18,332 vehicles

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

Covers: 2026 Kenworth T880, 2026 Kenworth T680, 2024 Kenworth W990, 2024 Kenworth T680, 2025 Kenworth T880, 2025 Kenworth W990, 2025 Kenworth T680, 2026 Kenworth W990 and 1 more

Up to 56,260 vehicles

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.

Covers: 2026 Kenworth T680, 2026 Kenworth L770, 2026 Peterbilt 579, 2026 Peterbilt 520, 2025 Peterbilt 548, 2024 Kenworth T480, 2024 Peterbilt 536, 2024 Peterbilt 548 and 32 more

Up to 315 vehicles

Brake failure can increase the risk of a crash.

Covers: 2026 Peterbilt 567, 2024 Peterbilt 367, 2024 Peterbilt 567, 2025 Peterbilt 567, 2026 Peterbilt 548, 2026 Peterbilt 589

Up to 211 vehicles

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

Covers: 2024 Kenworth K270, 2025 Kenworth K370, 2025 Kenworth K270, 2024 Kenworth K370, 2022 Kenworth K270, 2023 Kenworth K270, 2023 Kenworth K370, 2023 Peterbilt 220 and 10 more

Up to 238 vehicles

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

Covers: 2025 Kenworth T680, 2021 Kenworth T680, 2022 Peterbilt 520, 2022 Kenworth T680, 2022 Peterbilt 579, 2023 Kenworth T680, 2023 Peterbilt 579, 2023 Peterbilt 520 and 5 more

Up to 5,378 vehicles

Inoperative hazard lights cannot alert other drivers as intended. In addition, the inability to adjust the brightness on the instrument panel display can make it difficult to see critical safety information or distract the driver. Both scenarios can increase the risk of a crash.

Covers: 2026 Kenworth T280, 2026 Kenworth T480, 2026 Kenworth T380, 2026 Peterbilt 536, 2026 Peterbilt 537, 2026 Peterbilt 548, 2023 Kenworth T380, 2024 Kenworth T380 and 13 more

Up to 1,110 vehicles

A pedal that sticks increases the risk of a crash.

Covers: 2023 Peterbilt 548, 2023 Peterbilt 535, 2023 Kenworth T280, 2023 Kenworth T380, 2023 Peterbilt 536, 2023 Peterbilt 537, 2023 Kenworth T480, 2024 Kenworth T380 and 7 more

Up to 220,764 vehicles

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.

Covers: 2021 Kenworth W900B, 2025 Kenworth W900B, 2023 Kenworth W900B, 2024 Kenworth W900B, 2022 Kenworth W900B, 2025 Kenworth W990, 2025 Kenworth T880, 2025 Kenworth T680 and 81 more

Up to 68 vehicles

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

Covers: 2025 Kenworth T880, 2024 Kenworth T880, 2024 Kenworth T800, 2024 Peterbilt 367, 2024 Peterbilt 567, 2024 Peterbilt 389, 2024 Peterbilt 548, 2024 Kenworth T480 and 3 more

Up to 29 vehicles

Insufficient lubrication may cause the wheel hub to overheat, increasing the risk of a fire, or result in a loss of vehicle control, increasing the risk of a crash.

Covers: 2024 Kenworth T380, 2024 Peterbilt 537, 2024 Peterbilt 548, 2024 Kenworth T480, 2025 Peterbilt 536, 2025 Peterbilt 548, 2025 Kenworth T380, 2025 Kenworth T480

Up to 5,690 vehicles

An engine stall increases the risk of a crash.

Covers: 2025 Kenworth W990, 2025 Kenworth C500, 2025 Kenworth W900, 2025 Kenworth T880, 2025 Kenworth T800, 2025 Kenworth T680, 2025 Peterbilt 589, 2025 Peterbilt 567 and 1 more

Up to 782 vehicles

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

Covers: 2025 Peterbilt 579, 2025 Peterbilt 567, 2025 Kenworth T280, 2025 Kenworth W990, 2025 Kenworth T680, 2025 Kenworth T880, 2025 Peterbilt 548, 2025 Kenworth T480 and 2 more

Up to 70,509 vehicles

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.

Covers: 2023 Kenworth T380, 2023 Peterbilt 579, 2021 Peterbilt 548, 2021 Peterbilt 535, 2023 Kenworth T280, 2023 Peterbilt 536, 2021 Kenworth T280, 2024 Peterbilt 536 and 63 more

Up to 936 vehicles

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

Covers: 2009 Kenworth W900, 2009 Kenworth C500, 2009 Kenworth T800, 2009 Kenworth T660, 2010 Kenworth C500, 2010 Kenworth T660, 2010 Kenworth T800, 2010 Kenworth W900 and 88 more

Up to 45,887 vehicles

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

Covers: 2024 Kenworth W990, 2024 Kenworth T880, 2024 Kenworth T680, 2024 Peterbilt 567, 2024 Peterbilt 389, 2024 Kenworth T380, 2024 Peterbilt 537, 2024 Peterbilt 548 and 24 more

Up to 68 vehicles

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.

Covers: 2024 Kenworth T880, 2024 Peterbilt 567, 2024 Peterbilt 389, 2024 Peterbilt 520, 2024 Kenworth W990, 2024 Kenworth W900, 2024 Kenworth T800, 2024 Peterbilt 367

Up to 10,611 vehicles

A detached mirror glass can reduce driver visibility, increasing the risk of a crash.

Covers: 2022 Peterbilt 548, 2024 Peterbilt 536, 2023 Peterbilt 535, 2024 Kenworth T380, 2022 Peterbilt 535, 2023 Peterbilt 536, 2024 Peterbilt 537, 2023 Peterbilt 537 and 16 more

Up to 9 vehicles

A rear lifting bracket that detaches while the engine is being lifted can result in the engine falling or swinging, increasing the risk of injury.

Covers: 2024 Peterbilt 520

Up to 3,841 vehicles

An unsecured seat belt connection may not properly restrain an occupant during a crash, increasing their risk of injury.

Covers: 2021 Kenworth W900, 2019 Kenworth W900, 2019 Kenworth T800, 2018 Kenworth T800, 2020 Kenworth T800, 2020 Kenworth W900, 2018 Kenworth W900, 2021 Kenworth T800 and 7 more

Up to 254 vehicles

A delay in the trailer brake release can create instability to the trailer and increase the risk of a crash.

Covers: 2024 Kenworth T280, 2024 Kenworth T480, 2022 Peterbilt 536, 2020 Peterbilt 548, 2024 Peterbilt 537, 2021 Peterbilt 536, 2022 Kenworth T380, 2021 Kenworth T280 and 16 more

Up to 1,315 vehicles

A punctured fuel tank can leak fuel, increasing the risk of a fire.

Covers: 2021 Peterbilt 567, 2022 Peterbilt 567, 2022 Peterbilt 579, 2023 Peterbilt 579, 2023 Peterbilt 567, 2021 Peterbilt 579, 2024 Peterbilt 567, 2024 Peterbilt 579

Up to 871 vehicles

A disconnected hose will result in an engine stall, increasing the risk of a crash. Also, a fuel leak in the presence of an ignition source increases the risk of a fire.

Covers: 2023 Peterbilt 548, 2023 Kenworth T280, 2023 Kenworth T380, 2023 Peterbilt 536, 2023 Peterbilt 537, 2023 Kenworth T480, 2024 Kenworth T380, 2024 Peterbilt 537 and 4 more

Up to 21 vehicles

A broken driveshaft can separate and cause a loss of drive power, increasing the risk of a crash.

Covers: 2023 Kenworth K370, 2023 Kenworth K270, 2023 Peterbilt 220

Up to 72 vehicles

Loose fasteners may allow the driveline to separate from the truck, increasing the risk of a crash.

Covers: 2023 Peterbilt 537, 2023 Kenworth T480, 2023 Peterbilt 536, 2023 Kenworth T280, 2024 Peterbilt 536, 2024 Kenworth T280, 2024 Peterbilt 537, 2024 Kenworth T380 and 3 more

Up to 4,967 vehicles

A damaged alternator cable increases the risk of a fire.

Covers: 2022 Peterbilt 579, 2023 Peterbilt 579, 2021 Peterbilt 579

Up to 25 vehicles

A PVM that fails to move into park can cause a vehicle rollaway, increasing the risk of a crash.

Covers: 2023 Peterbilt 579, 2024 Peterbilt 579

Up to 8,008 vehicles

Service brake failure can increase the risk of a crash.

Covers: 2022 Peterbilt 548, 2021 Kenworth T480, 2024 Kenworth T480, 2022 Kenworth T380, 2021 Kenworth T380, 2023 Kenworth T280, 2024 Peterbilt 548, 2023 Kenworth T380 and 16 more

Up to 46 vehicles

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

Covers: 2022 Peterbilt 579, 2023 Kenworth T680, 2023 Peterbilt 579

Up to 2,565 vehicles

A molded hood mirror that falls into the roadway can become a road hazard, increasing the risk of a crash.

Covers: 2022 Peterbilt 579, 2023 Peterbilt 579

Up to 15,658 vehicles

An unstable axle can decrease vehicle stability and control, increasing the risk of a crash.

Covers: 2018 Peterbilt 520, 2023 Peterbilt 520, 2018 Peterbilt 320, 2015 Peterbilt 520, 2017 Peterbilt 320, 2016 Peterbilt 520, 2019 Peterbilt 320, 2021 Peterbilt 520 and 10 more

Up to 79 vehicles

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

Covers: 2023 Kenworth W990, 2023 Peterbilt 548, 2023 Peterbilt 348, 2023 Kenworth W900, 2023 Kenworth T800, 2023 Kenworth T480, 2023 Peterbilt 567, 2023 Peterbilt 389 and 3 more

Up to 74,730 vehicles

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

Covers: 2023 Peterbilt 367, 2023 Peterbilt 389, 2023 Kenworth T880, 2022 Peterbilt 389, 2023 Kenworth T680, 2023 Peterbilt 365, 2022 Peterbilt 579, 2023 Kenworth W990 and 8 more

Up to 1,601 vehicles

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

Covers: 2023 Kenworth W990, 2023 Peterbilt 548, 2023 Kenworth T280, 2023 Kenworth T380, 2023 Peterbilt 536, 2023 Peterbilt 537, 2023 Peterbilt 348, 2023 Kenworth K370 and 13 more

Up to 4 vehicles

Failure to process stability control commands may increase the risk of a crash.

Covers: 2021 Peterbilt 220, 2022 Kenworth K270

Up to 630 vehicles

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

Covers: 2022 Kenworth T680, 2023 Kenworth T680

Up to 47,500 vehicles

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

Covers: 2022 Peterbilt 536, 2022 Peterbilt 537, 2022 Peterbilt 548, 2022 Kenworth T380, 2022 Kenworth T280, 2022 Kenworth T370, 2022 Kenworth T480, 2022 Kenworth T270 and 46 more

Up to 402 vehicles

A miscalibrated actuator may cause the transmission to shift into an unexpected gear, increasing the risk of a crash.

Covers: 2022 Kenworth T180, 2022 Peterbilt 536, 2021 Kenworth T280, 2023 Kenworth T380, 2022 Kenworth T380, 2022 Peterbilt 537, 2022 Kenworth T280, 2023 Peterbilt 537 and 2 more

Up to 3 vehicles

An inoperational ABS system may not notify the driver of a malfunction, increasing the risk of a crash.

Covers: 2022 Kenworth T180, 2023 Peterbilt 535, 2023 Kenworth T280

Up to 17,641 vehicles

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

Covers: 2019 Kenworth T470, 2018 Kenworth T470, 2020 Peterbilt 330, 2019 Peterbilt 330, 2020 Kenworth T440, 2020 Kenworth T470, 2019 Kenworth W990, 2020 Kenworth T370 and 48 more

Up to 3,511 vehicles

A partially unsecured cab step can unexpectedly move while entering or exiting the cab, increasing the risk of injury.

Covers: 2022 Peterbilt 579

Up to 908 vehicles

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

Covers: 2022 Peterbilt 536, 2022 Peterbilt 537, 2021 Kenworth T880, 2021 Kenworth W990, 2021 Peterbilt 567, 2019 Kenworth W990, 2019 Peterbilt 389, 2019 Peterbilt 567 and 14 more

Up to 15 vehicles

A missing quick release valve cannot ensure correct rear brake release timing, increasing the risk of a crash or injury.

Covers: 2020 Peterbilt 520, 2021 Peterbilt 520

Up to 19 vehicles

The driver may be unaware of an ESC system malfunction, increasing the risk of a crash.

Covers: 2022 Peterbilt 567, 2022 Peterbilt 579

Up to 163 vehicles

If loss of the rear brake signal occurs, the vehicle could experience reduced rear braking capability or loss of brakes to the rear axle(s), increasing the risk of a crash.

Covers: 2021 Peterbilt 567, 2021 Peterbilt 389, 2021 Peterbilt 367, 2022 Peterbilt 367, 2022 Peterbilt 389, 2022 Peterbilt 567, 2022 Peterbilt 579, 2021 Peterbilt 579

Up to 6 vehicles

A loss of power to the system may cause loss of drive power, increasing the risk of a crash.

Covers: 2020 Peterbilt 220

Up to 688 vehicles

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

Covers: 2021 Kenworth T280, 2021 Kenworth T480, 2022 Peterbilt 536, 2022 Peterbilt 537, 2022 Peterbilt 548, 2022 Kenworth T380, 2022 Kenworth T280, 2022 Kenworth T370 and 12 more

Up to 6,916 vehicles

Inoperative windshield defrost may reduce driver visibility, increasing the risk of a crash.

Covers: 2022 Kenworth T880, 2022 Kenworth T680, 2022 Kenworth W900

Up to 612 vehicles

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

Covers: 2021 Kenworth T880, 2021 Peterbilt 567, 2019 Kenworth T470, 2018 Kenworth T470, 2021 Kenworth T470, 2021 Kenworth T270, 2021 Kenworth T440, 2020 Kenworth T440 and 40 more

Up to 13 vehicles

The pressure plate may tear the diaphragm, causing a loss of air pressure and increasing the risk of a crash.

Covers: 2021 Peterbilt 348, 2021 Peterbilt 579

Up to 53 vehicles

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

Covers: 2022 Kenworth T470, 2022 Kenworth T440, 2022 Kenworth T800, 2022 Kenworth W990

Up to 1 vehicle

If safety-related functions such as vehicle braking, stability, speed, and collision avoidance do not function properly, it can increase the risk of a crash.

Covers: 2021 Peterbilt 536

Up to 132 vehicles

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.

Covers: 2021 Kenworth T680, 2021 Kenworth T880, 2021 Kenworth W990, 2021 Peterbilt 567, 2021 Kenworth W900, 2021 Peterbilt 389, 2021 Peterbilt 367, 2021 Kenworth T800 and 9 more

Up to 1,021 vehicles

If the steering column loosens from the mounting structure, steering control can become affected, increasing the risk of a crash.

Covers: 2015 Peterbilt 320, 2017 Peterbilt 320, 2017 Peterbilt 520, 2019 Peterbilt 520, 2020 Peterbilt 320, 2020 Peterbilt 520, 2021 Peterbilt 520, 2015 Peterbilt 520 and 6 more

Up to 11 vehicles

A stability control event meant to only actuate the ABS controlled wheel ends could actuate lift axle brakes or modulate park brake chambers and could possibly de-stabilize the vehicle, increasing the risk of a crash.

Covers: 2020 Peterbilt 520, 2021 Peterbilt 520

Up to 1,416 vehicles

Longer than expected service-brake release timing may lengthen vehicle stopping distance, increasing the risk of a crash.

Covers: 2017 Kenworth T680, 2021 Kenworth T680, 2018 Kenworth T680, 2019 Kenworth T680, 2020 Kenworth T680, 2016 Kenworth T680

Up to 1,097 vehicles

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.

Covers: 2021 Kenworth T880, 2021 Kenworth W990, 2021 Peterbilt 567, 2021 Kenworth W900, 2020 Peterbilt 520, 2020 Peterbilt 567, 2020 Peterbilt 348, 2020 Peterbilt 365 and 12 more

Up to 239 vehicles

Loose bolts may cause the bracket to flex or break, potentially damaging adjacent components or locking up the steering, increasing the risk of crash.

Covers: 2020 Peterbilt 520

Up to 460,515 vehicles

If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.

Covers: 2008 Peterbilt 330, 2008 Kenworth T660, 2008 Peterbilt 387, 2008 Peterbilt 388, 2008 Kenworth T800, 2008 Kenworth W900, 2008 Peterbilt 335, 2008 Peterbilt 340 and 250 more

Up to 233 vehicles

A delayed brake release may increase the risk of crash.

Covers: 2017 Peterbilt 320, 2017 Peterbilt 520, 2019 Peterbilt 520, 2020 Peterbilt 320, 2020 Peterbilt 520, 2016 Peterbilt 520, 2016 Peterbilt 320, 2018 Peterbilt 520 and 2 more

Up to 35,671 vehicles

An electrical short circuit can increase the risk of a fire.

Covers: 2019 Peterbilt 365, 2019 Peterbilt 389, 2019 Peterbilt 567, 2019 Peterbilt 579, 2020 Peterbilt 567, 2020 Peterbilt 579, 2020 Peterbilt 365, 2020 Peterbilt 389 and 16 more

Up to 4 vehicles

Increased brake activation timing may lengthen vehicle stopping distance, increasing the risk of a crash.

Covers: 2020 Kenworth T370