AutoStatsIQ
Data through Oct 2026
Model year

2021 Western Star 5700

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

Recalls (7)Complaints (0)Investigations (2)Bulletins (107)
Recall campaigns covering this model year731k 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 5700 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.

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Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

7 recall campaigns cover the 2021 Western Star 5700

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 5700
CampaignFiledSubjectComponentVehiclesRemedy
22V-338May 16, 2022Gross Axle Weight Rating (GAWR) listed on the Federal Certification Label is incorrect, which can allow the vehicle to be overloadedEquipment185Part replacement
21V-369May 19, 2021Tie rod clamps may be loose, which could result in loose tie rod ends that could break or detachSteering8,482Part replacement
21V-256Apr 12, 2021Steering arm and tie rod bolts may have a defective seam that can fractureSteering12,470Part replacement
21V-206Mar 24, 2021Ground harness wiring may be undersized and may cause a connector to meltElectrical system5,111Part replacement
21V-018Jan 20, 2021On certain vehicles, one of the six brake caliper mounting bolts on the driver side steer axle may have been incorrectly tightenedBrakes133Repair or modification
20V-660Oct 27, 2020Steer axle spindle nut snap-ring locking feature may be incorrectly installed or missing from the left spindle nut at the spindleSuspension1,411Part replacement
20V-281May 18, 2020Particular wire in the ground harness may be undersized, possibly resulting in a melted connector in the ground circuit harnessElectrical system2,987Part replacement
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2021 Western Star 5700

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

    2 NHTSA investigations on file

    • EA25006 Engineering analysis, Driver assistance
      Automatic Emergency Braking Errors
      Opened Oct 23, 2025, still open
    • PE23010 Preliminary evaluation, Driver assistance
      Automatic Emergency Braking Errors
      Opened May 26, 2023, closed Oct 23, 2025
    Source: NHTSA ODI investigations file.
    All investigations
    Service bulletins

    107 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.

    • PB-47-900-WST Jun 1, 2026 · Service Bulletin/Repair Instructions
      Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
    • CXA 03_26_Surge Tank Mar 19, 2026 · Other
      CX Advocate for discolored coolant surge tanks (24CSA-20)
    • TSB-32-020-WST Oct 17, 2025 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for TufTrac M12 Bolts
    • 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
    • CXA_8_25_Tech Questions Aug 21, 2025 · Other
      CX Advocate for technical questions/issues raised
    • 24CSA-19Rev Aug 15, 2025 · Other
      Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks
    • PB33-005-WST Jun 19, 2025 · Service Bulletin/Repair Instructions
      Parts Bulletin for Tie Rod Assembly Part Breakdown
    • TSB26-008-WST Apr 30, 2025 · Service Bulletin/Repair Instructions
      Service Solution for DT12 Oil Plug Ports
    • 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
    • TSB01-001-DDC Feb 5, 2025 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
    • SS778-WST Jan 14, 2025 · Other
      Service Solution for Power Steering Reservoir Fill Cap Venting
    • CXA 1_16_NOx Jan 16, 2025 · Other
      CX Advocate for NOx conversion low faults
    • WI24-019 Nov 11, 2024 · Warranty Program/Extension
      Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
    • SS1023366-Detroit Oct 1, 2024 · Other
      Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
    • 24CSA-20 Oct 7, 2024 · Service Bulletin/Repair Instructions
      Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
    • 24CSA-19 Oct 7, 2024 · Other
      Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
    • SS1023366-Detroit Sep 16, 2024 · Other
      Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
    • CXA 8_24_Conmet Oil Pan Aug 15, 2024 · Other
      CX Advocate for ConMet Oil Pan Insert Additional Failures
    • 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 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.
    • TSB35-023-WST May 29, 2024 · Service Bulletin/Repair Instructions
      Technical Service Bulletin for New Final Drive Over Heat Diagnostic
    • SS3144-FTL Apr 25, 2024 · Service Bulletin/Repair Instructions
      Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
    • SBW83-030 Jun 27, 2022 · Service Bulletin/Repair Instructions
      Updated Western Star Service Bulletin for HVAC Actuator Replacement
    • ICI22-017 Apr 13, 2022 · Service Bulletin/Repair Instructions
      Important Campaign Information Letter for DDC D21M1 Termination Date Extended. This letter is to inform you that a revised bulletin for Detroit Diesel Field Service Campaign D21M1, DT12 Transmission Drive Shaft Cover Plug Reseal has been EXTENDED for an add…
    • SBW49-020 Feb 15, 2022 · Service Bulletin/Repair Instructions
      Western Star Service Bulletin for DEF Connector Reinforcement Caps
    • SF613 Oct 1, 2021 · Service Bulletin/Repair Instructions
      ConMet Front Hub to Rotor Fasteners. On certain vehicles, the front rotor nuts may not be torqued to manufacturer specification. Loose components could cause damage to the ABS tone rings, the ABS sensors, and the anchor plate mounting fasteners.
    • ICI21-030 Oct 18, 2021 · Service Bulletin/Repair Instructions
      SF626 Western Star Window Replacement Inspection Notification. This letter is to inform you that Field Service Campaign SF626 Western Star Window Replacement Inspection Notification campaign was released.
    • SBW54-080 Jun 10, 2021 · Service Bulletin/Repair Instructions
      Western Star Service Bulletin for Key Fob ID Retention. Key fobs for remote keyless entry on Western Star vehicles are delivered in packages that include a unique ID for the fob. The ID is required when pairing the key fob with a vehicle.
    • SS708-WST2021 Jun 11, 2021 · Service Bulletin/Repair Instructions
      Western Star Service Solution for Low Voltage Disconnect (LVD) Troubleshooting: Western Star 5700 and New 4700.
    • CALWS31-001 Jun 16, 2021 · Service Bulletin/Repair Instructions
      Customer Advisory Letter for 4-Hook Chain Hanger Replacement.
    • SS1033094 May 12, 2017 · Service Bulletin/Repair Instructions
      Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
    • WSTCAE176-2020 Aug 20, 2020 · Service Bulletin/Repair Instructions
      Removable Front Tow Hook Changes
    • SBW98003 Dec 1, 2016 · Service Bulletin/Repair Instructions
      Paint Peeling, Hood.
    • SS701-WST2021 Apr 29, 2021 · Service Bulletin/Repair Instructions
      Service Solution for DT12 Harness Chaffing - PT Can Faults. Transmission will not shift into Gear while driving or will not start and trigger multiple PT CAN Fault Codes.
    • D21M1 Apr 19, 2021 · Service Bulletin/Repair Instructions
      Detroit Field Service Campaign for DT12 Transmission Drive Shaft Cover Plug Reseal. Daimler Trucks North America LLC, on behalf of its DETROIT Powertrain Division, is initiating Field Service Campaign D21M1 on certain DT12 transmissions in order to reseal t…
    • WI21-009 Apr 19, 2021 · Service Bulletin/Repair Instructions
      Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown. The updated after treatment system (ATS) diesel exhaust fluid (DEF) pump times will be applied to repair orders opened on or after April 12, 2021.
    • WI21-008 Apr 6, 2021 · Service Bulletin/Repair Instructions
      Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.
    • DT12 Trans Chafe Mar 10, 2021 · Service Bulletin/Repair Instructions
      DTNA received a field notification on multiple units regarding diagnostic fault codes that were found to be causing issues to the After Treatment Control Module (ACM). These fault codes indicated that the ACM communication message was not received by the Mo…
    • D21M3 Mar 16, 2021 · Service Bulletin/Repair Instructions
      Detroit Field Service Campaign for DT12 Gear Grind During Downshift Software Update.
    • WP60-100 Mar 10, 2021 · Service Bulletin/Repair Instructions
      Updated Western Star Parts Technical Bulletin for Universal Design Floor Mats. This bulletin replaces the version dated February 12, 2021. Information about parts notes in the Paragon system have been added and the trimming instructions are revised. Univers…
    • SBW54-057 Oct 27, 2020 · Service Bulletin/Repair Instructions
      Western Star Service Bulletin for Powernet Troubleshooting Guide - Batteries, Path, Alternator, and Starter. When troubleshooting powernet issues, use the BCT-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeter is the only Daimler-approved t…
    • WP21-007 Mar 22, 2021 · Service Bulletin/Repair Instructions
      Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-related claims.
    • WI21-004 Feb 1, 2021 · Service Bulletin/Repair Instructions
      Warranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters. Detroit's TechComm team created visual aids for the network and released exploded view posters for DD platform engines. In early 2021, Detroit added multiple DT12…
    • 21TS-04 Feb 19, 2021 · Service Bulletin/Repair Instructions
      Technical Service Letter for Gen 5 DD15 Instrument Panel Oil Pressure Gauge Operation. Gen 5 DD15 equipped units have been brought in for service with a complaint of the instrument panel oil pressure gauge not moving during unit operation and/or stuck at 50…
    • 21OEM-06 Feb 19, 2021 · Service Bulletin/Repair Instructions
      Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available. Current subscribers of DiagnosticLink 8.11 or 8.12 may upgrade to DiagnosticLink 8.13 at no cost. All DTNA Service shops & OEM locations are required to maintain the latest …
    • 20TS-07REV Feb 19, 2021 · Service Bulletin/Repair Instructions
      Revised Technical Service Letter for Cold Weather Faults on GHG17/21 DD13 with MCM Software Version 14. Due to colder weather, there may be an increase in the frequency of faults, noted below, on GHG17/21 DD13 trucks built after June 5th 2019. This is due t…
    • ICI21-003 Feb 15, 2021 · Service Bulletin/Repair Instructions
      Superseding Letter to an Important Campaign Information Letter to announce a reimbursement available to dealers for travel to a customer's location to perform a recall or field service campaign. Potential travel reimbursement applies to DTNA truck dealers a…
    • WI21-006 Feb 15, 2021 · Service Bulletin/Repair Instructions
      Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.
    • WI20-014R Feb 8, 2021 · Service Bulletin/Repair Instructions
      Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance. In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language clarity and optimi…
    • 21TS-01 Jan 25, 2021 · Service Bulletin/Repair Instructions
      Technical Service Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change, Detroit now has two …
    • 21TS-02 Jan 25, 2021 · Service Bulletin/Repair Instructions
      Technical Service Letter for GHG17 DD16 Vehicles Equipped with Global Aftertreatment (GATS). some GHG17 DD16 powered vehicles will be equipped with the Global Aftertreatment System (GATS), instead of a 1-Box aftertreatment.
    • WI21-003 Jan 25, 2021 · Service Bulletin/Repair Instructions
      Warranty Information Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change, Detroit now has t…
    • SBW35-018 Dec 17, 2020 · Service Bulletin/Repair Instructions
      Western Star Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000) as a replacement for the paper gasket (part number 11-14418-000). The new O…
    • SBW42-014 Dec 17, 2020 · Service Bulletin/Repair Instructions
      Western Star Service Bulletin for Access to Front Brake Zerk Fittings. Certain vehicles with Detroit front axles and Meritor EX-L front air disc brakes do not have access to the front brake zerk fittings for lubrication.
    Source: NHTSA manufacturer communications files.
    About service bulletins