2023 Western Star 49X recalls

• Electrical#2026054February 11, 2026

  9,951 units affected

  Issue: On certain trucks, the recall repairs completed by a Daimler Truck North America (DTNA) dealer during recall F1020 (Transport Canada recall no. 2025-269) may not be effective. As a result, a second repair is required. On certain trucks, the stud on the frame that connects the battery and/or auxiliary power distribution to the starter may not have been installed properly. As a result, there could be a short circuit, and the wiring could overheat and melt. Note: This recall replaces Transport Canada recall no. 2025-269. Vehicles that were repaired under that recall also require this repair. Safety Risk: A short circuit and/or wiring that overheats and melts can create the risk of a fire. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and advise you to take your truck to a DTNA authorized service facility to remove the stud and relocate the jump start connection.

• Suspension#2025610November 4, 2025

  2,464 units affected

  Issue: On certain trucks, the fasteners for the axle clamp(s) may not have been tightened properly. As a result, the clamps could loosen. If this happens, the axle could move and cause a loss of steering control. Note: This recall only affects certain trucks equipped with a TufTrac Gen 2 suspension. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify the owners by mail and advise you to take your truck to a DTNA authorized service facility to inspect and tighten the axle clamp fasteners. The axle clamp castings will be replaced, as necessary.

• Electrical#2025269May 19, 2025

  8,565 units affected

  Issue: On certain trucks, the stud on the frame that connects the battery and/or auxiliary power distribution to the starter may not have been installed properly. As a result, there could be a short circuit, and the wiring could overheat and melt. Safety Risk: A short circuit and/or wiring that overheats and melts can create the risk of a fire. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and advise you to take your truck to a DTNA authorized service facility to inspect and, if necessary, replace the cables and hardware.

• Lights And Instruments#2024510September 10, 2024

  451 units affected

  Issue: On certain trucks, a software problem could cause the brake lights not to work when the brakes are automatically applied during emergency braking. Safety Risk: Brake lights that don't work could cause others not to recognize when a vehicle is braking. This could increase the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and advise you to take your truck to a DTNA authorized service facility to update the active brake assist (ABA) software.

• Steering#2023206April 5, 2023

  49 units affected

  Issue: On certain trucks, the cotter pin may be missing from the tie rod castle nut on the front steer axle. As a result, the nut could loosen. If this happens, the tie rod could detach from the steering arm and cause a loss of steering control. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail. The corrective actions for this recall are under development.

• Lights And Instruments#2023060February 14, 2023

  396 units affected

  Issue: On certain trucks, the tail lamps do not turn on when the daytime running lamps (DRLs) are on. Canadian regulations require that, if a vehicle has dash backlighting, the low beam headlamps and tail lamps must automatically switch on when it is dark or the tail lamps must stay on at all times. Safety Risk: Driving without tail lamps in low light conditions could make the truck less visible and increase the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to update the parameters for the lighting system. For Western Star 4700 ZODIAC models, the service facility will replace or modify the wiring harness.

• Brakes#2023051February 10, 2023

  20,527 units affected

  Issue: On certain trucks, the brake modulator valves could corrode. As a result, the brakes on one wheel could fully apply when the roll stability control system activates. If this happens, there could be a brake pull that can cause the truck to change direction. Note: This problem does not affect the service brakes. Safety Risk: A brake pull that causes the vehicle to change direction suddenly can increase the risk of crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to inspect, and if necessary, replace the brake modulator valves.

• Lights And Instruments#2023028January 27, 2023

  1,736 units affected

  Issue: On certain trucks, the daytime running lamps (DRLs) may not be bright enough to meet Canadian regulations. Note: This recall only affects trucks equipped with LED headlamps. Safety Risk: Daytime running lamps that aren't bright enough could make the truck less visible to others and increase the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to update the vehicle software.

• Brakes#2022626November 1, 2022

  7,140 units affected

  Issue: On certain trucks, the brake modulator valves could corrode. As a result, the brakes on one wheel could fully apply during an adaptive cruise control braking event. If this happens, there could be a brake pull that can cause the truck to change direction. Note: This problem does not affect the regular service brakes. Safety Risk: A brake pull that causes the vehicle to change direction suddenly can increase the risk of crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to inspect, and if necessary, replace the brake modulator valves.

• Steering#2022546September 28, 2022

  77 units affected

  Issue: On certain trucks, the tie rod end clamps could crack and loosen. If this happens, the threads on the tie rod end could become damaged and the tie rod end could separate. This could cause a loss of steering control. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to replace both tie rod end clamps.

• Steering#2022513September 12, 2022

  53 units affected

  Issue: On certain trucks, a bolt for the lower joint on the steering shaft may not have been installed correctly. As a result, the joint could disconnect and cause a loss of steering. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to inspect the lower joint on the steering shaft, and if necessary, re-install the pinch bolt.

• Structure#2022483August 29, 2022

  1,944 units affected

  Issue: On certain trucks, the stainless steel cover(s) on the hood bezel(s) may not be properly attached. As a result, a bezel cover could detach from the truck while driving. Safety Risk: A metal cover that detaches from the truck could create a road hazard for others and increase the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to replace the hood bezel covers.

• Engine#2022413July 29, 2022

  99 units affected

  Issue: On certain trucks, a problem in the engine control module (ECM) could cause a short circuit. If this happens, the engine could stall and you may not be able to restart it. Safety Risk: A sudden loss of engine power could increase the risk of a crash. Corrective Actions: Cummins will notify owners by mail and instruct you to take your truck to a Cummins authorized service center to replace the engine control module.

• Structure#2022171April 7, 2022

  893 units affected

  Issue: On certain trucks, the stainless steel cover for the side air-intake on the hood may not be properly attached. As a result, the intake cover could detach from the truck while driving. Safety Risk: An air-intake cover that detaches from the truck could create a hazard for other drivers and nearby people, and could increase the risk of a crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to replace the side air-intake cover on the hood.

Canadian data updated August 24, 2026

• ELECTRICAL SYSTEM:12V/24V/48V BATTERY#26V079000February 11, 2026

  Daimler Trucks North America (DTNA) is recalling certain 2020-2027 Western Star 49X and 2021-2027 Western Star 47X vehicles. A stud connecting the battery to the starter at the frame rail may have been incorrectly installed or may corrode, which can cause a short circuit.

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

  Remedy: Dealers will repair the studs, free of charge. Owner notification letters were mailed May 22, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1029. This recall replaces and expands NHTSA recall number 25V326. Vehicles already repaired under the previous recall will need to have the new remedy completed.

• SUSPENSION:CRITICAL FASTENERS#25V760000November 5, 2025

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2026 Western Star 49X, Freightliner Business Class M2, Freightliner 114SD, Freightliner 108SD, 2021-2026 Western Star 47X, 2021-2023 Freightliner 122SD, 2022 Western Star 48X, and 2023 Western Star 4700 vehicles. The axle clamp fasteners may be loose, which can result in a loss of vehicle control.

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

  Remedy: Dealers will inspect and tighten the fasteners, as necessary, free of charge. Owner notification letters were mailed December 29, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1027.

• ELECTRICAL SYSTEM:12V/24V/48V BATTERY#25V326000June 23, 2025

  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.

  Remedy: DTNA will inspect and replace damaged cables and loose hardware. In addition, DTNA will properly tighten hardware and install dielectric tape. All repairs will be performed, as necessary, free of charge. Owner notification letters were mailed July 1, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1020. This recall is replaced by NHTSA recall number 26V079. Vehicles already repaired under this recall will need to have the new remedy completed.

• FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING#24V668000September 10, 2024

  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.

  Remedy: Dealers will update the ABA software, free of charge. Owner notification letters were mailed October 24, 2024. Owners may contact DTNA customer service at 800-745-8000. DTNA's number for this recall is F1009.

• SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET#24V084000February 8, 2024

  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.

  Remedy: DTNA will replace the suspension hanger, free of charge. Owner notification letters were mailed July 22, 2024. Owners may contact DTNA customer service at 800-745-8000. DTNA's number for this recall is FL994.

• STEERING:LINKAGES:TIE ROD ASSEMBLY#23V238000April 4, 2023

  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.

  Remedy: DTNA will inspect and repair or replace the tie rod assembly as necessary, free of charge. Owner notification letters were mailed August 11, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL970.

• ELECTRONIC STABILITY CONTROL (ESC)#23V073000February 10, 2023

  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.

  Remedy: Dealers will inspect and replace the front brake modulator valves, as necessary. Some vehicles will have a software update which will alert driver when a replacement is required. All repairs will be performed free of charge. Owner notification letters were mailed beginning October 13, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL966.

• SERVICE BRAKES, AIR:ANTILOCK:MODULATOR#22V817000November 1, 2022

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2022 Freightliner Business Class M2, and 2022 Freightliner 114SD, and 2020-2023 Western Star 49X, 2021-2023 Western Star 47X, and 2021-2022 Western Star 57X vehicles. The brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during an Adaptive Cruise Control (ACC) braking event.

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

  Remedy: Dealers will inspect and replace the front brake modulator valves, as necessary. Some vehicles will have a software update which will alert driver when a replacement is required. All repairs will be performed free of charge. Owner notification letters were mailed beginning October 16, 2023. DTNA's number for this recall is FL-958. This recall expands and replaces previous recall 20V-390. All vehicles previously repaired under recall 20V-390 will need to have the new remedy performed.

• STEERING:LINKAGES:TIE ROD ASSEMBLY#22V722000September 28, 2022

  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.

  Remedy: Dealers will replace the tie rod clamps, free of charge. Owner notification letters were mailed Marc 15, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL955.

• STEERING#22V681000September 12, 2022

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2022-2023 Western Star 49X and 47X vehicles. The u-joint pinch bolt on the steering shaft may detach, which can cause a loss of steering control.

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

  Remedy: Dealers will inspect and repair the joint, as necessary, free of charge. Owner notification letters were mailed October 11, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL952.

• STRUCTURE:BODY:HOOD#22V654000August 29, 2022

  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.

  Remedy: Dealers will inspect and install rivets on the hood bezel covers, as necessary, free of charge. Owner notification letters were mailed May 26, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-951.

• ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)#22V554000July 29, 2022

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2023 Freightliner 108SD, 114SD, Business Class M2, Cascadia, 2023 Freightliner FCCC MC, MT45, S2C 106CAB, XCM, S2RV 106CAB, XCR, XCS, and 2023 Western Star 4700, 49X, and 47X vehicles. The engine control module (ECM) may experience an internal short-circuit, which can result in an unexpected engine shut down.

  Risk: Unexpected engine shut down can increase the risk of a crash.

  Remedy: Cummins will replace the ECM, free of charge. Owner notification letters are expected to be mailed September 26, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-949.

• SERVICE BRAKES, AIR:DISC:CALIPER#22V299000May 4, 2022

  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.

  Remedy: Dealers will be inspect and tighten the caliper mounting bolts, as necessary, free of charge. Owner notification letters were mailed July 1, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-930.

• STRUCTURE:BODY#22V227000April 7, 2022

  Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2023 Western Star 47X, 2020-2023 Western Star 49X, and 2021-2022 Western Star 57X vehicles equipped with side air intakes on the hood. The stainless steel cover on the side air intake may loosen and detach from the vehicle.

  Risk: A detached side air intake cover may cause a road hazard and increase the risk of a crash.

  Remedy: Dealers will replace the stainless steel cover, free of charge. Owner notification letters were mailed August 8, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-925.