2023 Western Star 49X
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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Vehicles › Western Star › 49X › 2023
These records cover every 2023 Western Star 49X. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Recalls
14 recalls name the 2023 Western Star 49X. Newest first.
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 and remedy
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.
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…
Risk and remedy
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.
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 and remedy
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.
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…
Risk and remedy
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.
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 and remedy
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.
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…
Risk and remedy
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.
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…
Risk and remedy
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.
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…
Risk and remedy
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.
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 and remedy
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.
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 and remedy
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.
Daimler Truck North America, LLC (DTNA) is recalling certain 2020-2023 47X and 49X vehicles. The hood bezel covers may detach.
Risk and remedy
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.
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…
Risk and remedy
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.
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 and remedy
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.
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 and remedy
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.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 11011112Service Solution for X-series Bodybuilder Marker Lights Turn Off While Truck Lights Remain On
- 11011111Service Solution for 47X, 49X, 57X Park brake check valve may be improperly plumbed causing brakes to drag
- 11011084CX Advocate for discolored coolant surge tank
- 11011082CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
- 11011076Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
- 11011073Technical Service Bulletin for Disabling the Park Brake Set / Door Open Warning
- 11010186CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
- 11010180CX Advocate for WST x-series unintended wiper sweep (TSB82-003-WST)
- 11010176CX Advocate for the following CSA: (24CSA-17,24CSA-19,24CSA-20) Gen 5 DD13 Turbocharger Oil Return Line Cracks, Heavy-Duty Engine Product (HDEP) Oil Separator Leaks, Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
- 11010168Service Solution for 49X & 47X with Cummins Engines and eViscous Engine Fan with Communication Issues
- 11010152Service Solution for X Series Odometer Reading Incorrect With Split Shaft PTO's
- 11010143Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- 11010131Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
- 11010130Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
- 11008535CX Advocate for HDEP High Pressure Fuel Line Seal Failures
- 11008516Technical Service Bulletin for Fixing Unintended Wiper Sweep
- 11008508Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- 11008488Detroit Customer Service Annoucement for Gen 5 DD13 Turbocharger Oil Return Line Cracks
- 11008487Detroit Customer Service Annoucement for Gen 5 DD15 Cylinder Head Cup Plug Replacement
- 11007528Fuel Injector Cleaner Updated Procedure
- 11007527Cleaning Gen5 Engine Fuel Injectors
- 11007526Fuel Injection Cleaning Machine Priming Procedures
- 11007518CX Advocate for CTP2 Shortage Recovery Cummins Only (SF685)
- 11007517CX Advocate for ConMet Oil Pan Insert Additional Failures
- 11007514CX Advocate for Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality (TSB54-369-FTL, TSB54-095-WST)
- 11007513CX Advocate for AutoElevate Disablement Gen5 Engines
- 11007512CX Advocate for benefits of Autoelevate and hydrocarbon faults
- 11007510Draft Fuel Injection Cleaning Machine (FICM) Setup Instructions
- 11007505Field Service Campaign for Common Telematics Platform Cummins Engine. Certain vehicles specd with a Common Telematics Platform (CTP2) were shipped without the CTP2 due to shortages from the supplier.
- 11007504Field Service Campaign for Common Telematics Platform Cummins Engine. Certain vehicles specd with a Common Telematics Platform (CTP2) were shipped without the CTP2 due to shortages from the supplier.
- 11007503Revised Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality. Description of Revisions: This bulletin replaces the version dated 07/30/2024. Make has been updated in the described condition.
- 11007497Service Solution for 47X & 49X Dim Trailer Lighting
- 11007489Field Service Campaign for Common Telematics Platform Cummins Engine. Certain vehicles specd with a Common Telematics Platform (CTP2) were shipped without the CTP2 due to shortages from the supplier.
- 11007487Important Campaign Information letter for DDC D23M3 - Campaign Reactivated and Extended. Field Service Campaign D23M3 - GHG17 DETROITTM DD16 Vibration Damper Replacement has been extended for an additional 6 months.
- 11005728Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality
- 11005500CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
- 11005498CX Advocate for DPF Outlet Temp High Gen5 DD15 ENGINES
- 11005494CX Advocate for ConMet Oil Pan Insert Additional Failures
- 11005493CX Advocate for AutoElevate Disablement Gen5 Engines
- 11005487Revised Field Service Campaign for Western Star Heated Headlight Parameters. SECOND REVISION: The parameter set was updated to address a potential conflict that affected engine speed control functionality.
Every Western Star 49X model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.