Model year

2021 Western Star 47X

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

Recall campaigns covering this model year9381k 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 2021 Western Star 47X 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

9 recall campaigns cover the 2021 Western Star 47X

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 2021 Western Star 47X
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-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
24V-668Sep 10, 2024Brake lights may not illuminate when the brakes are automatically applied during an active brake assist (ABA) eventLighting16,890Software update
23V-073Feb 10, 2023Brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during braking initiated by Electronic…Stability and traction control70,167Software update
22V-817Nov 1, 2022Brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during an Adaptive Cruise Control (ACC)…Driver assistance219,390Software update
22V-654Aug 29, 2022Hood bezel covers may detachStructure3,498Repair or modification
22V-230Apr 8, 2022Windshield wiper linkages may break, causing the windshield wipers to failVisibility and wipers689Part replacement
22V-227Apr 7, 2022Stainless steel cover on the side air intake may loosen and detach from the vehicleStructure2,284Part replacement
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2021 Western Star 47X

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

    81 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.

    • CXA 08_26_X-Series HD Sus Aug 20, 2026 · Other
      CX Advocate for X-Series HD Front Suspension Threaded
    • TSB-26-007-WST May 28, 2026 · Service Bulletin/Repair Instructions
      Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
    • FleetCom_Heater Core Dec 11, 2025 · Other
      Fleet Communications for Heater Core Plugging
    • SS 781-WST Dec 9, 2025 · Other
      Revised Service Solution for Western Star vehicles with excessive water intrusion into the air system
    • CXA 11_25_Tech Questions Nov 20, 2025 · Other
      CX Advocate for Questions/Issues Raised
    • TSB82-003-WST Nov 6, 2025 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for Fixing Unintended Wiper Sweep
    • CXA_10_25_Tech Questions Oct 16, 2025 · Other
      CX Advocate for technical questions/issues raised
    • CXA_10_25_Conmet Oil Pan Oct 16, 2025 · Other
      CX Advocate for ConMet Oil Pan Insert Additional Issues
    • CXA_9_25_Tech Questions Sep 18, 2025 · Other
      CX Advocate for technical questions/issues raised
    • MYCOM_09022025-1 Sep 2, 2025 · Other
      My Communications for UFI 0-Ring Announcement
    • CXA_8_25_Tech Questions Aug 21, 2025 · Other
      CX Advocate for technical questions/issues raised
    • TSB26-008-WST Apr 30, 2025 · Service Bulletin/Repair Instructions
      Service Solution for DT12 Oil Plug Ports
    • SS765-WST Apr 30, 2025 · Other
      Service Solution for ECP Solenoid Valve Interim Replacement Parts
    • FAB343 Apr 18, 2025 · Other
      Features and Benefits for Detroit Connect UpfrontService Extension
    • FAB342 Apr 18, 2025 · Other
      Features and Benefits for Detroit Connect Base Service Renewal
    • SS784-WST Apr 10, 2025 · Other
      Service Solution for ICC5 Erroneous Electric Power Steering Warning Message
    • CXA 3_25_SAS01T to SAS03T Mar 20, 2025 · Other
      CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
    • CXA 3_25_NOx Mar 20, 2025 · Other
      CX Advocate for NOx conversion low faults
    • SS781-WST Feb 27, 2025 · Other
      Service Solution for Western Star vehicles with excessive water intrusion into the air system
    • CXA 2_25_Turbo Oil Drain Feb 20, 2025 · Other
      CX Advocate for turbo oil drain cracking
    • CXA 2_25_NOx Feb 20, 2025 · Other
      CX Advocate for NOx conversion low faults
    • CXA 2_25_DA Fault Code Feb 20, 2025 · Other
      CX Advocate for M2 Plus, 47X, 49X Fault Code 232/524000/19- ECU CPC data error
    • SS770-WST Feb 5, 2025 · Other
      Service Solution for 47X/49X Dual Power Steering Gear Orifice Fittings
    • SS762-WST Feb 12, 2025 · Other
      Revised Service Solution for X-Series Western Star Fault Code 232/524000/19- ECU CPC data error
    • TSB54-097-WST Feb 4, 2025 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for SAS01T to SAS03T Replacement Information
    • TSB26-007-WST Feb 4, 2025 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for DT12 OVX Transmission Refresh
    • TSB26-006-WST Feb 4, 2025 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for DT12 Excessive Wear
    • SS777-WST Jan 16, 2025 · Other
      Service Solution for 47X PTO Mode Delay for Split Shaft PTO
    • SS776-WST Jan 15, 2025 · Other
      Service Solution for X-Series intermittent no-start and CPC not configured message
    • CXA 1_16_Turbo Oil Drain Jan 16, 2025 · Other
      CX Advocate for turbo oil drain cracking
    • CXA 1_16_NOx Jan 16, 2025 · Other
      CX Advocate for NOx conversion low faults
    • CXA 1_16_DD13 Altitude Jan 16, 2025 · Other
      CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
    • CXA 1_16_CARB Truck Chec Jan 16, 2025 · Other
      CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
    • 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
    • SF698-DLR LTR Dec 13, 2024 · Service Campaign
      Revised Field Service Campaign for Western Star Heated Headlight Parameters
    • SF698-Bulletin Dec 13, 2024 · Service Campaign
      Revised Field Service Campaign for Western Star Heated Headlight Parameters
    • ICI24-049 Dec 13, 2024 · Other
      Important Campaign Information letter for SF698 – Third Revised Bulletin
    • CXA 11_21_CARB Truck Chec Nov 21, 2024 · Other
      CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
    • CXA_10_17_CARB Truck Chec Oct 17, 2024 · Other
      CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
    • CXA_10_17_Wiper Sweep Oct 17, 2024 · Other
      CX Advocate for WST x-series unintended wiper sweep (TSB82-003-WST)
    • TSB82-003-WST Sep 26, 2024 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for Fixing Unintended Wiper Sweep
    • CXA 8_24_Conmet Oil Pan Aug 15, 2024 · Other
      CX Advocate for ConMet Oil Pan Insert Additional Failures
    • CXA 8_24_BCA CLDS TSB Aug 15, 2024 · Other
      CX Advocate for Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality (TSB54-369-FTL, TSB54-095-WST)
    • 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
    • TSB54-095-WST Aug 14, 2024 · Service Bulletin/Repair Instructions
      Revised 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.
    • TSB54-095-WST Jul 31, 2024 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality
    • 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
    • SF698REV2-DLR LTR Jul 29, 2024 · Service Campaign
      Revised 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.
    • SF698REV2-Bulletin Jul 29, 2024 · Service Campaign
      Revised 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.
    • ICI24-030 Jul 29, 2024 · Other
      Important Campaign Information Letter for SF698 – Second Revised Bulletin
    • 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
    • SF698-REV-DLR LTR Jun 14, 2024 · Service Campaign
      Revised Field Service Campaign for Western Star Heated Headlight Parameters. REVISION: Clarifying statements and a figure were added to the work instructions between steps 8 and 9 regarding “grayed out” XMC parameters.
    • SF698-REV-Bulletin Jun 14, 2024 · Service Campaign
      Revised Field Service Campaign for Western Star Heated Headlight Parameters. REVISION: Clarifying statements and a figure were added to the work instructions between steps 8 and 9 regarding “grayed out” XMC parameters.
    • ICI24-024 Jun 13, 2024 · Service Campaign
      Revised Important Campaign Information letter for SF698 - Revised Bulletin. REVISION: Clarifying statements and a figure were added to the work instructions between steps 8 and 9 regarding “grayed out” XMC parameters.
    Source: NHTSA manufacturer communications files.