2023 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.

SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET

Daimler Trucks North America, LLC (DTNA) is recalling certain 2022-2024 Western Star 49X vehicles. The suspension hanger may fail due to missing welds, which can result in difficulty steering and maintaining the direction of the front two wheels.

Risk: Difficulty steering and a loss of directional control increases the risk of a crash.

STEERING:LINKAGES:TIE ROD ASSEMBLY

Daimler Trucks North America, LLC (DTNA) is recalling certain 2022 FCCC Shuttle Chassis, 2022-2023 FCCC RV Chassis, FCCC Van Chassis, Van Chassis Gas, 2023 Freightliner Cascadia, Freightliner Business Class M2, Thomas Built Bus School Bus Chassis, Western Star 4700, Western Star 47X, Western Star 4900, and Western Star 49X commercial buses. The tie rod may be missing a fastener, allowing the steer arm to detach.

Risk: A detached steering arm can result in a sudden loss of steering control, 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.

SERVICE BRAKES, AIR:DISC:CALIPER

Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Western Star 47X and 2022-2023 49X Western Star vehicles. The caliper mounting bolts may loosen and detach, which can reduce brake performance.

Risk: Reduced brake performance can increase the risk of a crash.

STEERING:LINKAGES:TIE ROD ASSEMBLY

Daimler Trucks North America, LLC (DTNA) is recalling certain 2022-2023 Western Star 4700 and 2023 Western Star 4900, 49X, 6900, and Freightliner 114SD vehicles. The tie rod clamps may have been improperly heat-treated, causing them to crack and allowing the tie rods to separate.

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