Complaints over time
Complaints about the 2015 Western Star 4900 peaked in 2014, with 1 filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Source: NHTSA ODI complaints file. The lighter column runs through October.
Model year
2015 Western Star 4900
Heavy truck, diesel, 6x4, built in United States. Owner complaints on file from Nov 4, 2014 to Nov 4, 2014.
Recall campaigns covering this model year12476k vehicles or units across those campaigns
Owner complaints1Below the median 2015 heavy truck
Severity index0.02015 heavy trucks average 19.6
First 24 months1Complaints in its first two years
Components
100% of complaints about the 2015 Western Star 4900 name electrical system
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls
12 recall campaigns cover the 2015 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.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 21V-896 | Nov 17, 2021 | Tires and rims are not approved and rated for these vehicles from the Tire and Rim Association or tire manufacturer | Tires | 307 | Part replacement |
| 19V-370 | May 14, 2019 | Vehicles may have an insufficient service brake air reservoir capacity | Brakes | 741 | Not stated |
| 18V-503 | Jul 31, 2018 | In certain front axle, brake lining, and brake spider combinations, braking may cause high vibrations, resulting in early failure of the tie-rod tube | Steering | 1,256 | Part replacement |
| 18V-351 | May 29, 2018 | There may be insufficient clearance between the front brake hose and the hood resulting in the brake hose being chafed | Brakes | 640 | Part replacement |
| 17V-810 | Dec 15, 2017 | These vehicles are equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers that may become clogged, preventing the… | Equipment | 24,860 | Part replacement |
| 17V-761 | Nov 27, 2017 | After hard brake applications, the brake light pressure switch may not activate the brake lights with a light application of the brake pedal | Lighting | 438,255 | Repair or modification |
| 17V-124 | Feb 27, 2017 | Aluminum air tanks on these vehicles may have improper welds possibly resulting in a rapid loss of air pressure | Brakes | 450 | Part replacement |
| 16V-711 | Oct 5, 2016 | Seat belt mounting plate may have a drill hole that is too large | Seat belts | 1,944 | Not stated |
| 15V-859 | Dec 22, 2015 | Affected axles have hex nuts on the flange yoke that may not have been properly tightened | Powertrain | 43 | Repair or modification |
| 15V-383 | Jun 17, 2015 | In the affected vehicles, the speedometer may not operate properly, possibly not displaying the vehicle's speed | Electrical system | 21 | Repair or modification |
| 15V-185 | Mar 30, 2015 | Affected vehicles may experience brake drag due to an improperly seated diaphragm in the brake chamber | Brakes | 3,732 | Part replacement |
| 15V-182 | Mar 27, 2015 | These fire extinguishers may not fully discharge as designed when the lever is repeatedly pressed and released | Equipment | 2,226 | Part replacement |
Source: NHTSA ODI recalls file.
Owner complaints
What owners reported about the 2015 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.
1 complaint on file, page 1 of 1.
- Filed Nov 4, 2014Failure Oct 20, 201465,000 milesTrevose, PAElectrical system, Body, Tires, Wheels
BRAND NEW TRUCK WITH ABOUT 60,000 ON ORIGINAL TIRES. PASSENGER SIDE TIRE BLEW AT SPEED AROUND 66. HOOD WAS DESTROYED, TRUCK WAS ABLE TO STOP ON THE SHOULDER. HAD ALMOST 1,000,000 IN CARGO ON TRUCK. HOOD AND OTHER PARTS WILL COST ABOUT $23,000 PLUS LABOR. ROAD SERVICE WAS $2,500. RIM WAS DESTROYED. TIRE SIZE 295/60/22.5 18 PLY THIS IS 4 TH BLOW OUT ON MY BRAND NEW TRUCKS. 2 PETE 388 AND 2 WESTERN STAR. ALL WITH SAME TIRE.MICHELIN XZA 2 ON ALL TRUCKS. WESTERN STAR BLOW OUT HAD 275/70/22.5. *TR
NHTSA complaint 10652375
Source: NHTSA ODI complaints file.
Investigations
1 NHTSA investigation on file
- AQ18002 Audit query, Lighting
Daimler Trucks North America Recalls
Opened Apr 23, 2018, closed Jul 11, 2024
Source: NHTSA ODI investigations file.
Service bulletins
617 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.
- TSB-00-018-WST May 7, 2026 · Service Bulletin/Repair Instructions
Technical Service Bulletin for StarNet Manuals Moving to Technical Literature - CXA 3_25_NOx Mar 20, 2025 · Other
CX Advocate for NOx conversion low faults - 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 1_16_Turbo Oil Drain Jan 16, 2025 · Other
CX Advocate for turbo oil drain cracking - 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. - ICI24-051 Dec 19, 2024 · Other
Important Campaign Information letter for DDC D24R4 - Campaign Reactivated - ICI24-050 Dec 16, 2024 · Other
Important Campaign Information letter for DDC D24R4 - Campaign Inactivated - D24R4-OWN LTR Nov 27, 2024 · Emissions
Detroit Emission recall for GHG14 DETROIT DD16 Software Reprogramming - D24R4-DLR LTR Nov 27, 2024 · Emissions
Detroit Emission recall for GHG14 DETROIT DD16 Software Reprogramming - D24R4-Bulletin Nov 27, 2024 · Emissions
Detroit Emission recall for GHG14 DETROIT DD16 Software Reprogramming - 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_Oil Suction Jul 18, 2024 · Other
CX Advocate for Oil Suction manifolds - CXA 7_24_NOx Jul 18, 2024 · Other
CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission. - CXA 06_24_NOx Jun 21, 2024 · Other
CX Advocate communication for NOx conversion low faults - SS734-WST May 24, 2024 · Other
Service Solution for Thread Spring Pin Suspension Alignment & Installation - SBW83-030 Jun 27, 2022 · Service Bulletin/Repair Instructions
Updated Western Star Service Bulletin for HVAC Actuator Replacement - SBW83-030 May 10, 2022 · Service Bulletin/Repair Instructions
Western Star Service Bulletin for HVAC Actuator Replacement. The wiring harness of the actuator of the fresh air recirculation door on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion. - 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 - CALWS83-001REV Dec 9, 2021 · Service Bulletin/Repair Instructions
HVAC Actuator Wiring Harness. Revision History: Service kit part number changed from RDH RD5 17147 0 to WWS RD-3-9069-0 on 12/9/21. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star vehicles equipped wi… - 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. - CALWS83-001 Sep 10, 2021 · Service Bulletin/Repair Instructions
Customer Advisory Letter for HVAC Actuator Wiring Harness. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion … - 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. - SS1033094 May 12, 2017 · Service Bulletin/Repair Instructions
Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform... - WSTCAE180-2020 Oct 13, 2020 · Service Bulletin/Repair Instructions
Portland Truck Plant Paint Changes - WSTCAE121-2014 Jan 25, 2014 · Service Bulletin/Repair Instructions
AIR BRAKE RESERVOIRS - NEW TRIPLE CHAMBER AIR TANK - D21R1 Apr 6, 2021 · Service Bulletin/Repair Instructions
Detroit Emission Recall for GHG14 DETROIT DD13 with Two-Box Aftertreatment Software Reprogramming. Certain Detroit Model Year 2013 to 2015 GHG14 DD13 engines that are registered in the state of California will require reprogramming to a minimum of the MCM a… - 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… - 16TS-08REV Apr 19, 2021 · Service Bulletin/Repair Instructions
Detroit Technical Service Letter for DD13 Cylinder Head and Cylinder Head Gasket Change. - 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… - 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. - D21M2 Feb 19, 2021 · Service Bulletin/Repair Instructions
DDC Field Service Campaign for GHG14 DETROIT DD13 with One-Box Aftertreatment Software Reprogramming. Certain Detroit Model Year 2013 to 2015 GHG14 DD13 engines that are registered in California will require reprogramming to a minimum of the MCM software ve… - 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 … - WP60-100 Feb 12, 2021 · Service Bulletin/Repair Instructions
Western Star Parts Technical Bulletin for Universal Design Floor Mats. Universal floor mat designs fit multiple cab configurations and may require trimming. Trim lines displaying size options are scored into the pad side of the mat; use an existing floor ma… - 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… - TechTalk8061 Jan 21, 2021 · Service Bulletin/Repair Instructions
Tech Talk discussion on GHG14 Regen acting unusual. - 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… - WP20-018R Dec 8, 2020 · Service Bulletin/Repair Instructions
Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. Revisions are in blue. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Re… - WP20-018 Dec 7, 2020 · Service Bulletin/Repair Instructions
Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot pa… - 18SP744 Nov 30, 2020 · Service Bulletin/Repair Instructions
Special Publication letter for Two-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit. - 20TS-09 Dec 6, 2020 · Service Bulletin/Repair Instructions
Technical Service Letter for SPN 3711 FMI 31 on GHG17 DD15 Trucks. - TechTalk7679 Sep 15, 2020 · Service Bulletin/Repair Instructions
Tech Talk discussion on repair verification for codes like 'low air flow' when a trailer is not available. - TechTalk4725 Sep 22, 2020 · Service Bulletin/Repair Instructions
Tech Talk discussion about power steering fluid. - TechTalk2039 Sep 24, 2020 · Service Bulletin/Repair Instructions
Tech Talk Discussion for DD15 GHG14 EGR linkage hex nuts. - 20CSA-15 Aug 31, 2020 · Service Bulletin/Repair Instructions
Customer Service Announcement for Release of DiagnosticLink 8.12 Service Pack 2. On Thursday, September 3, 2020, Service Pack (SP) 2 for DiagnosticLink 8.12 Standard and Professional will be made available to download from the Detroit Diesel server. - ICI20-022R Aug 11, 2020 · Service Bulletin/Repair Instructions
Revised letter is 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 and Detroit Diesel distributors. Thomas Built … - ICI20-022 Aug 3, 2020 · Service Bulletin/Repair Instructions
Important Campaign Information letter announcing Dealer Travel for Campaign Performance. This letter is to announce a reimbursement available to dealers for travel to a customerÃÂâÃÂÃÂÃÂÙs location to perform a recall or field service campaign. - WI20-014 Aug 3, 2020 · Service Bulletin/Repair Instructions
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 optimize proce… - WI20-012 Aug 3, 2020 · Service Bulletin/Repair Instructions
Warranty Information Letter informing that to ensure that DTNA policies and service network practices align, the Warranty Department will be revising the Warranty Manual. - 20TS-05 Jul 27, 2020 · Service Bulletin/Repair Instructions
Technical Service Letter for EPA10, GHG14, GHG17 Diesel Particulate Filter (DPF) Compatibility. Note: This document supersedes 14 TS-25 and 15 TS-8. Detroit Diesel has determined that some, Diesel Particulate Filters (DPFs) are compatible in pairs and or ca… - 20OEM-05 Jul 27, 2020 · Service Bulletin/Repair Instructions
OEM and distributor announcement for DiagnosticLink 8.12 (Build 4527) was made available. All DTNA Service shops & OEM locations are required to maintain the latest version of software on each of their stations. - 20CSA-10 Jul 27, 2020 · Service Bulletin/Repair Instructions
Customer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLinkÃÂÃÂÃÂî 8.12 Standard and Professional is available to download from the Detroit Diesel server.
Source: NHTSA manufacturer communications files.