2021 WESTERN STAR 49X

ELECTRICAL SYSTEM:12V/24V/48V BATTERY

Daimler Trucks North America (DTNA) is recalling certain 2020-2026 Western Star 49X and 2021-2026 Western Star 47X vehicles. A stud connecting the battery to the starter at the frame rail may have been incorrectly installed, which can cause a short circuit.

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

EXTERIOR LIGHTING:BRAKE LIGHTS

Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Freightliner 108SD, 2022-2025 Freightliner 114SD, Freightliner Business Class M2, 2025 Freightliner eM2, 2020-2025 Western Star 49X, 2021-2025 Western Star 47X, and 2022-2025 Western Star 57X vehicles that may be upfitted with a body lighting interface controller and replacement brake lights. The brake lights may not illuminate when the brakes are automatically applied during an active brake assist (ABA) event.

Risk: Brake lights that fail to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.

SERVICE BRAKES, AIR:ANTILOCK:MODULATOR

Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2023 Western Star 49X, 2021-2023 Western Star 47X, and 2022 Freightliner 114SD vehicles. The brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during braking initiated by Electronic Stability Control (ESC) or Roll Stability Control (RSC).

Risk: Brakes that pull to one side may cause a sudden change in vehicle direction, increasing the risk of a crash.

EXTERIOR LIGHTING

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2021 Freightliner Cascadia and Western Star 49X vehicles. The hazard warning lights may flash improperly during an Advanced Braking Assist event. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk: Hazard warning lights that flash improperly may cause confusion for other drivers, increasing the risk of a crash.

VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Western Star 49X and 2021 Western Star 47X vehicles. The windshield wiper linkages may break, causing the windshield wipers to fail.

Risk: Inoperative windshield wipers can reduce visibility in certain driving conditions, increasing the risk of a crash.

STRUCTURE:BODY:HOOD

Daimler Truck North America, LLC (DTNA) is recalling certain 2020-2023 47X and 49X vehicles. The hood bezel covers may detach.

Risk: Detached hood bezel covers may cause a road hazard and increase the risk of a crash.

ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2022 Freightliner Cascadia P4, 2021 Western Star WH126, 2020 Western Star WJ121, and 2021-2022 Western Star 49X vehicles. The battery cable terminal may break, resulting in a loss of electrical power and unintended engine stall.

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

STEERING

Daimler Trucks North America, LLC. (DTNA) is recalling certain 2021-2022 Western Star 49X vehicles. The steering shaft may not have been properly installed, causing it to separate from the steering gear.

Risk: Steering shaft separation can result in a loss of steering control, increasing the risk of a crash.