2023 WESTERN STAR 49X
14 recalls, 0 complaints - 61 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.
23V238000 Apr 4, 2023
STEERING:LINKAGES:TIE ROD ASSEMBLY
Defect Description
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 49... Read more
Consequence
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.
23V073000 Feb 10, 2023
SERVICE BRAKES, AIR:ANTILOCK:MODULATOR
Defect Description
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 du... Read more
Consequence
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. Owne... Read more
22V817000 Nov 1, 2022
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
Defect Description
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 th... Read more
Consequence
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... Read more
22V722000 Sep 28, 2022
STEERING:LINKAGES:TIE ROD ASSEMBLY
Defect Description
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.
Consequence
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.
22V681000 Sep 12, 2022
STEERING
Defect Description
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.
Consequence
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.
22V654000 Aug 29, 2022
STRUCTURE:BODY:HOOD
Defect Description
Daimler Truck North America, LLC (DTNA) is recalling certain 2020-2023 47X and 49X vehicles. The hood bezel covers may detach.
Consequence
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.
22V554000 Jul 29, 2022
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
Defect Description
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 in... Read more
Consequence
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.
22V299000 May 4, 2022
SERVICE BRAKES, AIR:DISC:CALIPER
Defect Description
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.
Consequence
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.
22V227000 Apr 7, 2022
STRUCTURE:BODY
Defect Description
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.
Consequence
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.
No complaints found for this vehicle.
Technical Service Bulletins, 2023 WESTERN STAR 49X
61 manufacturer communications from 41 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 350000 EQUIPMENT | 19 |
| 110000 ELECTRICAL SYSTEM | 13 |
| 030000 SERVICE BRAKES, HYDRAULIC | 6 |
| 120000 EXTERIOR LIGHTING | 5 |
| 100000 POWER TRAIN | 5 |
| 180000 VEHICLE SPEED CONTROL | 4 |
| 130000 VISIBILITY | 3 |
| 060000 ENGINE AND ENGINE COOLING | 2 |
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
SS3144-FTL
Apr 25, 2024
060000 ENGINE AND ENGINE COOLING
Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
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
SF673
Mar 7, 2024
350000 EQUIPMENT
Field Service Campaign for Common Telematics Platform (CTP) Installation and Initialization
TSB30-001-WST
Feb 23, 2024
060000 ENGINE AND ENGINE COOLING
Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
SS755-WST
Jan 31, 2024
180000 VEHICLE SPEED CONTROL
Service Solution for X Series Odometer Reading Incorrect With Split Shaft PTOs
SF665
Nov 27, 2023
350000 EQUIPMENT
Field Service Campaign for Common Telematics Platform
ICI23-050
Nov 27, 2023
350000 EQUIPMENT
Important Campaign Information Letter for SF665 - Campaign Reactivated
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
SF672_V4
Nov 3, 2023
350000 EQUIPMENT
Revised Field Service Campaign for Common Telematics Platform Software Update
SF672_V4
Nov 3, 2023
110000 ELECTRICAL SYSTEM
Revised Field Service Campaign for Common Telematics Platform Software Update
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
SF664
Aug 7, 2023
350000 EQUIPMENT
Field Service Campaign for Auxiliary Heater
SF664
Aug 7, 2023
130000 VISIBILITY
Field Service Campaign for Auxiliary Heater
SF672
Jun 2, 2023
350000 EQUIPMENT
Field Service Campaign for Common Telematics Platform Software Update
SF672
Jun 2, 2023
110000 ELECTRICAL SYSTEM
Field Service Campaign for Common Telematics Platform Software Update
SF661_V2
Apr 20, 2023
180000 VEHICLE SPEED CONTROL
Revised Freightliner and Western Star Field Service Campaign for Freightliner and Western Star Trucks with Cummins Engines, Cruise Control Indicator Light
SBW54-087
Mar 30, 2023
100000 POWER TRAIN
Western Star Service Bulletin for Resetting the Maintenance System for DT12 Oil Changes
SF661
Mar 17, 2023
180000 VEHICLE SPEED CONTROL
Revised Field Service Campaign for Freightliner & Western Star Trucks with Cummins Engines - Cruise Control Indicator Light
SF658
Mar 7, 2023
100000 POWER TRAIN
Field Service Campaign for Integrated Predictive Powertrain Control ECU. Resubmitting to fix a table formatting issue.
SF658
Mar 7, 2023
110000 ELECTRICAL SYSTEM
Field Service Campaign for Integrated Predictive Powertrain Control ECU. Resubmitting to fix a table formatting issue.
SF658
Mar 7, 2023
350000 EQUIPMENT
Field Service Campaign for Integrated Predictive Powertrain Control ECU. Resubmitting to fix a table formatting issue.
SF658
Feb 8, 2023
350000 EQUIPMENT
Revised Field Service Campaign for Integrated Predictive Powertrain Control ECU. REVISION: The bulletin has been revised to add additional work instruction steps to remedy errors encountered during the flashing process.
SF658
Feb 8, 2023
110000 ELECTRICAL SYSTEM
Revised Field Service Campaign for Integrated Predictive Powertrain Control ECU. REVISION: The bulletin has been revised to add additional work instruction steps to remedy errors encountered during the flashing process.
SF658
Jan 12, 2023
350000 EQUIPMENT
Revised Field Service Campaign for Integrated Predictive Powertrain Control ECU
SF658
Jan 12, 2023
110000 ELECTRICAL SYSTEM
Revised Field Service Campaign for Integrated Predictive Powertrain Control ECU
ICI23-001
Jan 12, 2023
350000 EQUIPMENT
Important Campaign Information Letter for SF658 Revised Bulletin, Intelligent Powertrain Management ECU
ICI23-001
Jan 12, 2023
110000 ELECTRICAL SYSTEM
Important Campaign Information Letter for SF658 Revised Bulletin, Intelligent Powertrain Management ECU
SF654
Dec 22, 2022
260000 FORWARD COLLISION AVOIDANCE
Field Service Campaign for Western Star Front Radar Mounting Bracket
SF661
Nov 30, 2022
180000 VEHICLE SPEED CONTROL
Field Service Campaign for Freightliner and Western Star Trucks w Cummins Engines - Cruise Control Indicator Light
SF658
Nov 7, 2022
350000 EQUIPMENT
Field Service Campaign for Integrated Predictive Powertrain Control ECU. Certain vehicles requesting Intelligent Powertrain Management, were shipped without the Integrated Predictive Powertrain Control (IPPC) module required to enable the f
SF658
Nov 7, 2022
110000 ELECTRICAL SYSTEM
Field Service Campaign for Integrated Predictive Powertrain Control ECU. Certain vehicles requesting Intelligent Powertrain Management, were shipped without the Integrated Predictive Powertrain Control (IPPC) module required to enable the f
MYCOM_11012022
Nov 1, 2022
350000 EQUIPMENT
My Communications for SF625 and SF657 Pre-Flashed USB Tools. The download files for SF625 and SF657 are no longer available in our download center. In order to perform these updates you will need to order the Pre-Flashed USB tools from the
MYCOM_11012022
Nov 1, 2022
110000 ELECTRICAL SYSTEM
My Communications for SF625 and SF657 Pre-Flashed USB Tools. The download files for SF625 and SF657 are no longer available in our download center. In order to perform these updates you will need to order the Pre-Flashed USB tools from the
SF659
Oct 20, 2022
100000 POWER TRAIN
Field Service Campaign for Western Star 47X and 49X Maintenance System Update. On certain vehicles, the maximum driving distance parameter that prompts notification to change the transmission oil is set incorrectly. The parameter is set to
SS731-WST2022
Sep 28, 2022
350000 EQUIPMENT
Service Solution for Calendar Year 2022 Espar D2 and D4 Heater Shortages. Eberspacher has experienced ongoing shortages of the microprocessor that is used in the controller board for many different Espar heaters, including the D2 and D4 Air
SBW54-088
Sep 28, 2022
120000 EXTERIOR LIGHTING
Western Star Service Bulletin for Non-Functioning Heated Headlamps. This service bulletin describes how to resolve non-functioning headlamps on 47X and 49X vehicles. Symptoms of this issue may only appear while operating in cold weather con
ICI22-044
Sep 23, 2022
350000 EQUIPMENT
Important Campaign Information Letter for SF657 ??A?A? Revised Bulletin. Newest Revision: A screenshot of the DiagnosticLink screen showing in Fig.15 showing 'Activation OK' must be kept on file with the repair order. This letter is to info
ICI22-044
Sep 23, 2022
110000 ELECTRICAL SYSTEM
Important Campaign Information Letter for SF657 ??A?A? Revised Bulletin. Newest Revision: A screenshot of the DiagnosticLink screen showing in Fig.15 showing 'Activation OK' must be kept on file with the repair order. This letter is to info
SF657
Sep 20, 2022
110000 ELECTRICAL SYSTEM
Revised Freightliner and Western Star CTP Software Update REVISION: New tools are required. The USB stick with SF657 software already loaded, along with the USB stick to CTP adaptor harness that is On-the-Go (OTG) protocol compliant, now ha
SF657
Sep 20, 2022
350000 EQUIPMENT
Revised Freightliner and Western Star CTP Software Update REVISION: New tools are required. The USB stick with SF657 software already loaded, along with the USB stick to CTP adaptor harness that is On-the-Go (OTG) protocol compliant, now ha
SBW54-087
Sep 12, 2022
100000 POWER TRAIN
Western Star Service Bulletin for Resetting the Maintenance System for DT12 Oil Changes. This service bulletin describes required maintenance system parameter changes that apply to New Cascadia vehicles with Detroit DT12 transmissions used
SBW54-086
Jul 29, 2022
100000 POWER TRAIN
Western Star Service Bulletin for Meritor Rear Axle Temperature Parameters
SBW54-084
Jul 29, 2022
110000 ELECTRICAL SYSTEM
Western Star Service Bulletin for CPC5 Internal Fuses
SS730-WST2022
Jul 28, 2022
110000 ELECTRICAL SYSTEM
Service Solution for New CPC5 Functionality Differences. This solution does not apply to legacy WST vehicles.
SS714-WST2022
Jul 28, 2022
130000 VISIBILITY
Service Solution for Primary Mirror Shaking and Vibration
MYCOM_07122022-1
Jul 12, 2022
130000 VISIBILITY
My Communications for Continued Espar Heater Shortages - WST191
SF657
Jun 23, 2022
350000 EQUIPMENT
Field Service Campaign for Freightliner and Western Star CTP Software Update
SF657
Jun 23, 2022
110000 ELECTRICAL SYSTEM
Field Service Campaign for Freightliner and Western Star CTP Software Update
SS726-WST2022
May 31, 2022
120000 EXTERIOR LIGHTING
Service Solution for 49X & 47X Non FunctioningHeated Headlamps. Heating function of heated headlamps not functioning possible allowing snow and moisture toaccumulate on lens.
SS725-WST2022
Apr 25, 2022
010000 STEERING
Service Solution for Power Steering Cap Contact withHood Strap. Under certain conditions the drivers side hood restraint strap, which is attached to the radiatorand hood, may become lodged behind the power steering cap. When opening the hoo
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