2024 PETERBILT 389

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

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.

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.

POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

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.

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.

STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM

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.

Risk: 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.

STEERING

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.

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

ELECTRICAL SYSTEM

The contact owns a 2024 Peterbilt 389. The contact stated while driving at various speeds, the vehicle experienced an inaccurate reading of the adaptive cruise control, causing the cruise control to disengage. Additionally, the contact stated after driving for an hour, the ABS, traction control, and electronic stability control warning lights were illuminated. The contact received notification of NHTSA Campaign Number: 24V915000 (Service Brakes, Hydraulic, Electrical System), which the contact related to the failure. The vehicle was taken to the dealer for the recall repair. The dealer informed the contact that the recall repair had been performed. The contact stated upon test-driving the vehicle, the failure persisted. The dealer was informed that the recall repair had not corrected the failure. The vehicle was not yet repaired; however, the dealer charged a labor fee. The contact declined to pay the fee and the vehicle remained with the dealer. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the failure. The failure mileage was approximately 180,000.