2024 WESTERN STAR 49X
6 recalls, 0 complaints - 23 TSBs
26V079000 Feb 11, 2026
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Defect Description
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.
Consequence
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 pre... Read more
25V760000 Nov 4, 2025
SUSPENSION:CRITICAL FASTENERS
Defect Description
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 faste... Read more
Consequence
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.
25V326000 Jun 23, 2025
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Defect Description
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.
Consequence
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... Read more
24V668000 Sep 10, 2024
EXTERIOR LIGHTING:BRAKE LIGHTS
Defect Description
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... Read more
Consequence
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.
24V084000 Feb 8, 2024
SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET
Defect Description
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.
Consequence
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.
24V058000 Jan 31, 2024
ELECTRONIC STABILITY CONTROL (ESC)
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Western Star 49X and 2025 Freightliner Cascadia vehicles. The Electronic Stability Control (ESC) software has incorrect axle spacing parameters. As such, these vehicles fail to comply with the requirements of Federal Motor Veh... Read more
Consequence
Incorrect parameters can decrease vehicle stability or braking performance, increasing the risk of crash.
Remedy
Dealers will update the ESC software, free of charge. Owner notification letters were mailed March 22, 2024. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL993.
No complaints found for this vehicle.
Technical Service Bulletins, 2024 WESTERN STAR 49X
23 manufacturer communications from 21 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 350000 EQUIPMENT | 6 |
| 030000 SERVICE BRAKES, HYDRAULIC | 6 |
| 120000 EXTERIOR LIGHTING | 3 |
| 060000 ENGINE AND ENGINE COOLING | 3 |
| 110000 ELECTRICAL SYSTEM | 1 |
| 100000 POWER TRAIN | 1 |
| 160000 STRUCTURE | 1 |
| 210000 TRAILER HITCHES | 1 |
SF676REV2
Apr 30, 2024
030000 SERVICE BRAKES, HYDRAULIC
Revised Field Service Campaign for Braking System Parameter Update
ICI24-015
Apr 30, 2024
030000 SERVICE BRAKES, HYDRAULIC
Important Campaign Information letter for SF676 - Revised Bulletin & Population
CALFTLWS01-005
Apr 25, 2024
060000 ENGINE AND ENGINE COOLING
Customer Advisory Letter for Vehicle and Engine Update To Final GHG24 Certification
SS3144-FTL
Apr 25, 2024
060000 ENGINE AND ENGINE COOLING
Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
SF688
Mar 12, 2024
180000 VEHICLE SPEED CONTROL
Field Service Campaign for Cummins Cruise Control Inhibit
SF676REV
Mar 8, 2024
030000 SERVICE BRAKES, HYDRAULIC
Revised Field Service Campaign for Braking System Parameter Update. REVISION: MBT Specific Parameter part number and description in step 19.4 has been removed and Figure 17 has been updated.
ICI24-012
Mar 8, 2024
030000 SERVICE BRAKES, HYDRAULIC
Important Campaign Information letter for SF676 - Bulletin Revision
TSB30-001-WST
Feb 23, 2024
060000 ENGINE AND ENGINE COOLING
Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
SS760-WST
Nov 28, 2023
110000 ELECTRICAL SYSTEM
Service Solution for 47X & 49X Detroit Engines with TEM Interlock Speed Control
SS760-WST
Nov 28, 2023
350000 EQUIPMENT
Service Solution for 47X & 49X Detroit Engines with TEM Interlock Speed Control
ICI23-050
Nov 27, 2023
350000 EQUIPMENT
Important Campaign Information Letter for SF665 - Campaign Reactivated
SF665
Nov 27, 2023
350000 EQUIPMENT
Field Service Campaign for Common Telematics Platform
ICI23-046
Nov 14, 2023
120000 EXTERIOR LIGHTING
Important Campaign Information Letter for SF675 - Revised Work Instructions. This letter is to inform you that Table 3, Step 22 (page 61) has been updated, along with the Notes throughout the sub-steps of Step 22.
SF675_V2
Nov 14, 2023
120000 EXTERIOR LIGHTING
Revised Field Service Campaign for Western Star Snow Plow Light Harness
ICI23-044
Nov 2, 2023
350000 EQUIPMENT
Important Campaign Information Letter for SF665 - Campaign Suspended
SF674
Oct 31, 2023
160000 STRUCTURE
Field Service Campaign for Front Wall Huck Bolt Fasteners
SF675
Oct 26, 2023
120000 EXTERIOR LIGHTING
Field Service Campaign for Western Star Snow Plow Light Harness
SF665
Oct 20, 2023
350000 EQUIPMENT
Field Service Campaign for Common Telematics Platform
CALWS42-006
Oct 19, 2023
030000 SERVICE BRAKES, HYDRAULIC
Customer Advisory Letter for 6-Inch Slack Adjusters Causing the Brakes to Over-Adjust and Drag
SBW60-028
Oct 11, 2023
350000 EQUIPMENT
Service Bulletin for Relocating the Bluetooth Microphone
SS754-WST2023
Sep 29, 2023
210000 TRAILER HITCHES
Service Solution for 49X and 47X Web Mounted 5th Wheel Ramps
SF676
Sep 28, 2023
030000 SERVICE BRAKES, HYDRAULIC
Field Service Campaign for Braking System Parameter Update
SS753-WST2023
Aug 17, 2023
100000 POWER TRAIN
Service Solution for PTO Engagement
WESTERN STAR 49X - All Years Overview
Complete safety history for the WESTERN STAR 49X across all model years (2020, 2027).
79
Total Recalls
1
Total Complaints
0
Investigations
0
Reported Crashes
0
Reported Fires
0
Reported Deaths