Model year

2023 Western Star 4900

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

Recall campaigns covering this model year4504 vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2023 Western Star 4900 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

4 recall campaigns cover the 2023 Western Star 4900

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 2023 Western Star 4900
CampaignFiledSubjectComponentVehiclesRemedy
24V-013Jan 10, 2024Defect in the inversion valve may delay park brake engagement, which could allow the vehicle to move unintentionallyBrakes149Part replacement
23V-238Apr 4, 2023Tie rod may be missing a fastener, allowing the steer arm to detachSteering306Part replacement
22V-722Sep 28, 2022Tie rod clamps may have been improperly heat-treated, causing them to crack and allowing the tie rods to separateSteering36Part replacement
22V-205Mar 30, 2022Inversion valve air lines may have been incorrectly installed, potentially reducing brake performanceBrakes13Not stated
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2023 Western Star 4900

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

    35 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.

    • PB-47-900-WST Jun 1, 2026 · Service Bulletin/Repair Instructions
      Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
    • CXA_10_25_Conmet Oil Pan Oct 16, 2025 · Other
      CX Advocate for ConMet Oil Pan Insert Additional Issues
    • CXA 3_25_NOx Mar 20, 2025 · Other
      CX Advocate for NOx conversion low faults
    • CXA 2_25_NOx Feb 20, 2025 · Other
      CX Advocate for NOx conversion low faults
    • CXA 1_16_NOx Jan 16, 2025 · Other
      CX Advocate for NOx conversion low faults
    • D24R2-OWN LTR Dec 3, 2024 · Emissions
      Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
    • D24R2-DLR LTR Dec 3, 2024 · Emissions
      Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
    • D24R2-Bulletin Dec 3, 2024 · Emissions
      Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
    • CXA 10_17_Reman Process Oct 17, 2024 · Other
      CX Advocate for overview of the remanufacturing process.
    • CXA 10_17_Incorrect VIN Oct 17, 2024 · Other
      CX Advocate for eCascadia incorrect VIN (SF692)
    • SF679-DLR LTR Oct 1, 2024 · Service Campaign
      Revised Field Service Campaign for Virtual Technician Module. 2nd REVISION:Certain vehicles in Group B with Cummins engines have been reassigned to the newly created Group E. The Parts table has been updated to include the mounting bracket and fasteners req…
    • SF679-Bulletin Oct 1, 2024 · Service Campaign
      Revised Field Service Campaign for Virtual Technician Module. 2nd REVISION:Certain vehicles in Group B with Cummins engines have been reassigned to the newly created Group E. The Parts table has been updated to include the mounting bracket and fasteners req…
    • ICI24-036 Oct 1, 2024 · Other
      Important Campaign Information letter for SF679 – Revised Bulletin.
    • SF692-OWN LTR Sep 11, 2024 · Service Campaign
      Field Service Campaign for VIN Certification Labels
    • SF692-DLR LTR Sep 11, 2024 · Service Campaign
      Field Service Campaign for VIN Certification Labels
    • SF692-Bulletin Sep 11, 2024 · Service Campaign
      Field Service Campaign for VIN Certification Labels
    • CXA 8_24_Conmet Oil Pan Aug 15, 2024 · Other
      CX Advocate for ConMet Oil Pan Insert Additional Failures
    • CXA 8_24_AutoElevate Disa Aug 15, 2024 · Other
      CX Advocate for AutoElevate Disablement Gen5 Engines
    • CXA 8_24_AutoElevate and Aug 15, 2024 · Other
      CX Advocate for benefits of Autoelevate and hydrocarbon faults
    • CXA 7_24_Reman Process V2 Jul 18, 2024 · Other
      CX Advocate for overview of the remanufacturing process.
    • CXA 7_24_Reman Process Jul 18, 2024 · Other
      CX Advocate for overview of the remanufacturing process.
    • CXA 7_24_NOx Jul 18, 2024 · Other
      CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
    • CXA 7_24_Conmet Oil Pan Jul 18, 2024 · Other
      CX Advocate for ConMet Oil Pan Insert Additional Failures
    • CXA 7_24_AutoElevate Disa Jul 18, 2024 · Other
      CX Advocate for AutoElevate Disablement Gen5 Engines
    • CXA 06_24_Clutch Bolts Jun 21, 2024 · Other
      CX Advocate communication for clutch bolts
    • CXA 06_24_NOx Jun 21, 2024 · Other
      CX Advocate communication for NOx conversion low faults
    • VSWP Customer Letter May 21, 2024 · Other
      Customer letter regarding variable speed water pump.
    • SS734-WST May 24, 2024 · Other
      Service Solution for Thread Spring Pin Suspension Alignment & Installation
    • SS763-WST May 8, 2024 · Other
      Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
    • SS3144-FTL Apr 25, 2024 · Service Bulletin/Repair Instructions
      Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
    • SF679 Feb 2, 2024 · Service Bulletin/Repair Instructions
      Revised Field Service Campaign for Virtual Technician Module. REVISION: The parts table has been updated.
    • ICI24-004 Feb 2, 2024 · Service Bulletin/Repair Instructions
      Important Campaign Information letter for SF679 Bulletin Revision. REVISION: The parts table has been updated.
    • SF679 Jan 26, 2024 · Service Bulletin/Repair Instructions
      Field Service Campaign for Virtual Technician Module
    • ICI23-043 Nov 17, 2023 · Service Bulletin/Repair Instructions
      Important Campaign Information Letter for SF680 Allison TCM Software Update / TT9108EN
    • MYCOM_03142022-2 Mar 14, 2022 · Service Bulletin/Repair Instructions
      Western Star Multi-Color Paint Designs - WST185 Cab/Hood paint will be limited to Paint: One Solid Color (065-000) for Western Star 4700, 4800, 4900, and 6900 models built at Portland Truck Plant.
    Source: NHTSA manufacturer communications files.