Model year

2020 Western Star 49X

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

Recall campaigns covering this model year10405k 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 2020 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

10 recall campaigns cover the 2020 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 2020 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-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-208Mar 28, 2023Hazard warning lights may flash improperly during an Advanced Braking Assist eventLighting24,282Software 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 2020 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

    65 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
    • CXA_10_25_Conmet Oil Pan Oct 16, 2025 · Other
      CX Advocate for ConMet Oil Pan Insert Additional Issues
    • MYCOM_09022025-1 Sep 2, 2025 · Other
      My Communications for UFI 0-Ring Announcement
    • 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)
    • 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_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
    • SS778-WST Jan 14, 2025 · Other
      Service Solution for Power Steering Reservoir Fill Cap Venting
    • 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_GATS2.4 Jan 16, 2025 · Other
      CX Advocate for GATS2.4 being expanding to DD15
    • 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.
    • 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 8_24_Conmet Oil Pan Aug 15, 2024 · Other
      CX Advocate for ConMet Oil Pan Insert Additional Failures
    • ICI24-031 Aug 15, 2024 · Other
      Important Campaign Information letter for DDC D23M3 - Campaign Reactivated and Extended. Field Service Campaign D23M3 - GHG17 DETROITTM DD16® Vibration Damper Replacement has been extended for an additional 6 months.
    • CXA 7_24_Conmet Oil Pan Jul 18, 2024 · Other
      CX Advocate for ConMet Oil Pan Insert Additional Failures
    • 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.
    • CALWS54-007 Jun 21, 2024 · Service Bulletin/Repair Instructions
      Customer Advisory Letter for Battery Cable Depopulation Stud Inspection, with or without Jumpstart Post
    • VSWP Customer Letter May 21, 2024 · Other
      Customer letter regarding variable speed water pump.
    • SS763-WST May 8, 2024 · Other
      Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
    • SF698-OWN LTR May 21, 2024 · Service Campaign
      Field Service Campaign for Western Star Heated Headlight Parameters
    • SF698-DLR LTR May 21, 2024 · Service Campaign
      Field Service Campaign for Western Star Heated Headlight Parameters
    • SF698-Bulletin May 21, 2024 · Service Campaign
      Field Service Campaign for Western Star Heated Headlight Parameters
    • SS3144-FTL Apr 25, 2024 · Service Bulletin/Repair Instructions
      Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
    • SF673 Mar 7, 2024 · Service Bulletin/Repair Instructions
      Field Service Campaign for Common Telematics Platform (CTP) Installation and Initialization
    • ICI24-007 Feb 14, 2024 · Service Bulletin/Repair Instructions
      Important Campaign Information letter for SF669 Campaign Suspended
    • ICI24-006 Feb 20, 2024 · Service Bulletin/Repair Instructions
      Important Campaign Information letter for FL974 - Revised Bulletin & Population
    • FL974 Feb 20, 2024 · Service Bulletin/Repair Instructions
      Revised Emissions Recall: Cummins DEF Sensor Shortage. REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Confirm' has been ad…
    • FL974 Jan 19, 2024 · Service Bulletin/Repair Instructions
      Emissions Recall: Cummins DEF Sensor Shortage
    • SF669 Dec 19, 2023 · Service Bulletin/Repair Instructions
      Field Service Campaign for Adaptive Cruise Control
    • SS759-WST Nov 30, 2023 · Service Bulletin/Repair Instructions
      Service Solution for 47X & 49X Headlamp Marker Light Strobing or Flickering
    • SS754-WST2023 Sep 29, 2023 · Service Bulletin/Repair Instructions
      Service Solution for 49X and 47X Web Mounted 5th Wheel Ramps
    • SBW54-083 Jul 13, 2023 · Service Bulletin/Repair Instructions
      Revised Service Bulletin for HVAC Software Updates. Description of Revisions: This bulletin replaces the version dated 06/21/2022. The model applicability list and the general information have been updated.
    • SF672 Jun 2, 2023 · Service Bulletin/Repair Instructions
      Field Service Campaign for Common Telematics Platform Software Update
    • MYCOM_11012022 Nov 1, 2022 · Service Bulletin/Repair Instructions
      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 PDC. This will al…
    • SBW54-089 Nov 9, 2022 · Service Bulletin/Repair Instructions
      Updated Western Star Service Bulletin for Tire Pressure Monitoring System (TPMS) Water Intrusion. This bulletin replaces the version dated 08/17/2022. Information about the protective boot has been updated.
    Source: NHTSA manufacturer communications files.