Model year

2026 Western Star 49X

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recall campaigns covering this model year671k vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 monthsOpenWindow has not closed yet
Complaints over time

Complaints about the 2026 Western Star 49X by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

6 recall campaigns cover the 2026 Western Star 49X

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2026 Western Star 49X
CampaignFiledSubjectComponentVehiclesRemedy
26V-079Feb 11, 2026Stud connecting the battery to the starter at the frame rail may have been incorrectly installed or may corrode, which can cause a short circuitElectrical system26,960Part replacement
25V-760Nov 4, 2025Axle clamp fasteners may be loose, which can result in a loss of vehicle controlSuspension18,783Repair or modification
25V-603Sep 11, 2025Tie rod castle nut and cotter pin may not be installed properly, which can result in a loss of vehicle steering controlSteering343Part replacement
25V-601Sep 11, 2025Brake caliper mounting bolts may loosen and detach, which can cause a loss of brake function and damage the tire and/or wheelBrakes402Part replacement
25V-326Jun 23, 2025Stud connecting the battery to the starter at the frame rail may have been incorrectly installed, which can cause a short circuitElectrical system22,271Part replacement
25V-187Mar 25, 2025Software error in the advanced signal and actuator module for the automatic emergency braking system may cause the brake lights to fail to illuminateLighting1,968Software update
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2026 Western Star 49X

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    Service bulletins

    64 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • TS-0004-00 Aug 4, 2026 · Other
      Truck Equipment Manufacturer Solution for Odometer Pause & PTO Mode Delay with Customer Installed SSPTO & Controls
    • FleetCom 1_TransOil Cool Aug 28, 2026 · Other
      Fleet Communications for eAxle Breather Hose Relocation to Reduce Water Intrusion Risk
    • CXA 08_26_TransOil Cooler Aug 20, 2026 · Other
      CX Advocate for Transmission Oil Cooler Lines Rubbing
    • CXA 08_26_Equalizer Beam Aug 20, 2026 · Other
      CX Advocate for Twin Steer Equalizer Beam Bushing Wear
    • WI26-009R Aug 6, 2026 · Other
      Revised Warranty Information letter for missing chamber caging bolts
    • CXA 07_25_F1011,F1015 Lbl Jul 17, 2026 · Other
      CX Advocate for Lost/Damaged Replacement F1011/F1015 Labels
    • TS-0013-00 Jul 22, 2026 · Other
      Truck Equipment Manufacturer Solution for PTO Mode Delay for Driving PTO
    • TSB-54-375-FTL Jul 10, 2026 · Service Bulletin/Repair Instructions
      Revised Technical Service Bulletin for Removing Odometer Pause Wiring Modifications
    • WI26-009 Jun 30, 2026 · Other
      Warranty Information letter for missing chamber caging bolts
    • CXA 06_26_Hood Jun 18, 2026 · Other
      CX Advocate for Hood Cracks
    • PB-47-900-WST Jun 1, 2026 · Service Bulletin/Repair Instructions
      Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
    • CXA 05_26_TransOil Cooler May 21, 2026 · Other
      CX Advocate for Transmission Oil Cooler Lines Rubbing APU Coolant Lines
    • CXA 05_26_Equalizer Beam May 21, 2026 · Other
      CX Advocate for Twin Steer Equalizer Beam Bushing Wear
    • WI26-008 May 20, 2026 · Other
      Warranty Information letter for Reman Parts Usage Policy Reminder
    • TS-0014-00 May 21, 2026 · Other
      Truck Equipment Manufacturer Solution for Detroit Assurance Parameters for an Obstructed Multi-Purpose Camera View
    • TS-0008-00 May 11, 2026 · Other
      Truck Equipment Manufacturer Solution for RSS with PTO Engagement
    • TSB-26-001-DDC Apr 17, 2026 · Service Bulletin/Repair Instructions
      Revised Technical Service Bulletin for DT12 Range Detent Diagnostic
    • FleetCom 1_Torque Quality Apr 9, 2026 · Other
      Fleet Communications for Torque Quality
    • PB-31-026-WST Apr 10, 2026 · Service Bulletin/Repair Instructions
      Parts Bulletin for Bumper and Rock Guard Part Numbers
    • MyCom_04102026-1 Apr 10, 2026 · Other
      My Communications for ConMet Quality Alert -- ABP 10045888 -- Seal Service Kit
    • TSB-26-001-DDC Sep 2, 2025 · Other
      Technical Service Bulletin for DT12 Range Detent Diagnostic
    • CXA 03_26_ABS LA Fault Mar 19, 2026 · Other
      CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)
    • TSB-32-020-WST Oct 17, 2025 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for TufTrac M12 Bolts
    • TSB-26-009-WST Jan 15, 2026 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for Transmission shift stalk
    • TSB-54-104-WST Feb 18, 2026 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for ESC warning lamp and ECU replacement
    • TitanX Extension Feb 4, 2026 · Warranty Program/Extension
      Standard Warranty Extension for vehicles with TitanX Radiators
    • TSB-26-006-WST Jan 30, 2026 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for DT12 Excessive Wear
    • CXA_01_26_Trans Support Jan 15, 2026 · Other
      CX Advocate for Aftermarket Transmission Support
    • FleetCom_HVAC Eco Mode Dec 11, 2025 · Other
      Fleet Communications for HVAC Eco Mode - SoP Disabled Jan 2026
    • FleetCom_Heater Core Dec 11, 2025 · Other
      Fleet Communications for Heater Core Plugging
    • FleetCom_ECU Faults Dec 11, 2025 · Other
      Fleet Communications for Corrosion Protecton/Glyptal Application
    • FleetCom_ECP Module Dec 11, 2025 · Other
      Fleet Communications for ECP (Electronic Control Pneumatic) Module Water Ingress
    • SS 781-WST Dec 9, 2025 · Other
      Revised Service Solution for Western Star vehicles with excessive water intrusion into the air system
    • TSB54-101-WST Dec 1, 2025 · Service Bulletin/Repair Instructions
      Technical Service Bulletin Low Coolant Sensor
    • FleetCom_Clutch Nov 20, 2025 · Other
      Fleet Communications for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
    • CXA 11_25_Tech Questions Nov 20, 2025 · Other
      CX Advocate for Questions/Issues Raised
    • CXA 11_25_ECU Faults Nov 20, 2025 · Other
      CX Advocate for Intermittent Connections and ECU Fault Codes
    • CXA 11_25_ECP Modules Nov 20, 2025 · Other
      CX Advocate for ECP (Electronic Control Pneumatic) Modules, possible water ingress
    • CXA 11_25_Bearing Vib Nov 20, 2025 · Other
      CX Advocate for Driveline and mid-ship bearing vibration
    • CXA 11_25_AMTcc DTC Nov 20, 2025 · Other
      CX Advocate for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
    • F1015-DLR LTR Nov 14, 2025 · Emissions
      Revised Emissions Recall for VECI Label Emissions Recall
    • ICI25-026 Nov 14, 2025 · Other
      Important Campaign Information for F1011 & F1015 Campaigns Revised
    • F1015-Bulletin Nov 14, 2025 · Emissions
      Revised Emissions Recall for VECI Label Emissions Recall
    • SS3162-FTL Oct 21, 2025 · Other
      Service Solution for M2 Plus, 108,114SD Plus and New Cascadia Vehicles, SSL and SSR Non-Functional
    • CXA_10_25_Wire, Air Rout Oct 16, 2025 · Other
      CX Advocate for Wire/Airing Routing and Clipping
    • CXA_10_25_TuffTrac Gen2 Oct 16, 2025 · Other
      CX Advocate for TufTrac Gen2 Suspension Field Issues
    • CXA_10_25_Torque Quality Oct 16, 2025 · Other
      CX Advocate for Torque Quality
    • CXA_10_25_Tech Questions Oct 16, 2025 · Other
      CX Advocate for technical questions/issues raised
    • CXA_10_25_Odometer Pause Oct 16, 2025 · Other
      CX Advocate for Removing Odometer Pause Wiring Modifications (TSB-54-375-FTL, TSB-54-100-WST)
    • CXA_10_25_J1939 Comm Oct 16, 2025 · Other
      CX advocate for WST X-Series J1939 Communication Errors with Cummins Engines
    • CXA_10_25_Cummins X15 Oct 16, 2025 · Other
      CX Advocate for Cummins X15 Power Steering Pump Plumbing
    • CXA_8_25_Tech Questions Aug 21, 2025 · Other
      CX Advocate for technical questions/issues raised
    • CXA_8_25_TCM CAN Aug 21, 2025 · Other
      CX Advocate for DT12 - TCM CAN communication issues with CPC
    • MYCOM_07302025-1 Jul 30, 2025 · Other
      My Communications for ACCURIDE INTRODUCES THE 50300 22.5" X 9" STEEL WHEEL
    • WEFrameRail May 30, 2025 · Warranty Program/Extension
      Warranty Extension for Frame Rail Paint Standard Warranty Policy Extension
    • PB33-005-WST Jun 19, 2025 · Service Bulletin/Repair Instructions
      Parts Bulletin for Tie Rod Assembly Part Breakdown
    • SF718-OWN LTR Jun 3, 2025 · Service Campaign
      Field Service Campaign for Transmission Oil Cooler Line Clearance
    • SF718-DLR LTR Jun 3, 2025 · Service Campaign
      Field Service Campaign for Transmission Oil Cooler Line Clearance
    • SF718-Bulletin Jun 3, 2025 · Service Campaign
      Field Service Campaign for Transmission Oil Cooler Line Clearance
    • TSB26-008-WST Apr 30, 2025 · Service Bulletin/Repair Instructions
      Service Solution for DT12 Oil Plug Ports
    Source: NHTSA manufacturer communications files.