Vehicle report

2020 WESTERN STAR 49X

Service bulletins

60 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

CXA 08_26_X-Series HD Sus

Other

CX Advocate for X-Series HD Front Suspension Threaded

TSB-26-007-WST

Service Bulletin/Repair Instructions

Revised Technical Service Bulletin for DT12 OVX Transmission Refresh

FleetCom_Heater Core

Other

Fleet Communications for Heater Core Plugging

SS 781-WST

Other

Revised Service Solution for Western Star vehicles with excessive water intrusion into the air system

CXA 11_25_Tech Questions

Other

CX Advocate for Questions/Issues Raised

CXA_10_25_Conmet Oil Pan

Other

CX Advocate for ConMet Oil Pan Insert Additional Issues

MYCOM_09022025-1

Other

My Communications for UFI 0-Ring Announcement

SS765-WST

Other

Service Solution for ECP Solenoid Valve Interim Replacement Parts

TSB26-008-WST

Service Bulletin/Repair Instructions

Service Solution for DT12 Oil Plug Ports

FAB342

Other

Features and Benefits for Detroit Connect Base Service Renewal

FAB343

Other

Features and Benefits for Detroit Connect UpfrontService Extension

SS784-WST

Other

Service Solution for ICC5 Erroneous Electric Power Steering Warning Message

CXA 3_25_SAS01T to SAS03T

Other

CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)

SS781-WST

Other

Service Solution for Western Star vehicles with excessive water intrusion into the air system

CXA 2_25_DA Fault Code

Other

CX Advocate for M2 Plus, 47X, 49X Fault Code 232/524000/19- ECU CPC data error

CXA 2_25_Turbo Oil Drain

Other

CX Advocate for turbo oil drain cracking

SS762-WST

Other

Revised Service Solution for X-Series Western Star Fault Code 232/524000/19- ECU CPC data error

SS770-WST

Other

Service Solution for 47X/49X Dual Power Steering Gear Orifice Fittings

TSB26-006-WST

Service Bulletin/Repair Instructions

Technical Service Bulletin for DT12 Excessive Wear

TSB26-007-WST

Service Bulletin/Repair Instructions

Technical Service Bulletin for DT12 OVX Transmission Refresh

TSB54-097-WST

Service Bulletin/Repair Instructions

Technical Service Bulletin for SAS01T to SAS03T Replacement Information

CXA 1_16_DD13 Altitude

Other

CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.

CXA 1_16_GATS2.4

Other

CX Advocate for GATS2.4 being expanding to DD15

CXA 1_16_NOx

Other

CX Advocate for NOx conversion low faults

CXA 1_16_Turbo Oil Drain

Other

CX Advocate for turbo oil drain cracking

SS776-WST

Other

Service Solution for X-Series intermittent no-start and CPC not configured message

SS778-WST

Other

Service Solution for Power Steering Reservoir Fill Cap Venting

ICI24-049

Other

Important Campaign Information letter for SF698 – Third Revised Bulletin

SF698-Bulletin

Service Campaign

Revised Field Service Campaign for Western Star Heated Headlight Parameters

SF698-DLR LTR

Service Campaign

Revised Field Service Campaign for Western Star Heated Headlight Parameters

CXA 8_24_Conmet Oil Pan

Other

CX Advocate for ConMet Oil Pan Insert Additional Failures

ICI24-031

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.

ICI24-030

Other

Important Campaign Information Letter for SF698 – Second Revised Bulletin

SF698REV2-Bulletin

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-DLR LTR

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.

CXA 7_24_Conmet Oil Pan

Other

CX Advocate for ConMet Oil Pan Insert Additional Failures

CALWS54-007

Service Bulletin/Repair Instructions

Customer Advisory Letter for Battery Cable Depopulation Stud Inspection, with or without Jumpstart Post

CXA 06_24_Clutch Bolts

Other

CX Advocate communication for clutch bolts

CXA 06_24_NOx

Other

CX Advocate communication for NOx conversion low faults

SF698-REV-Bulletin

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-DLR LTR

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

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.

SF698-OWN LTR

Service Campaign

Field Service Campaign for Western Star Heated Headlight Parameters

VSWP Customer Letter

Other

Customer letter regarding variable speed water pump.

SS763-WST

Other

Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller

SS3144-FTL

Service Bulletin/Repair Instructions

Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller

SF673

Service Bulletin/Repair Instructions

Field Service Campaign for Common Telematics Platform (CTP) Installation and Initialization

FL974

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 added, as shown in Table 2, to be used when a new DEF header is not required. There have been some other minor changes to the work instructions and SRT times.

ICI24-006

Service Bulletin/Repair Instructions

Important Campaign Information letter for FL974 - Revised Bulletin & Population

ICI24-007

Service Bulletin/Repair Instructions

Important Campaign Information letter for SF669 Campaign Suspended

SF669

Service Bulletin/Repair Instructions

Field Service Campaign for Adaptive Cruise Control

SS759-WST

Service Bulletin/Repair Instructions

Service Solution for 47X & 49X Headlamp Marker Light Strobing or Flickering

SS754-WST2023

Service Bulletin/Repair Instructions

Service Solution for 49X and 47X Web Mounted 5th Wheel Ramps

SBW54-083

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

Service Bulletin/Repair Instructions

Field Service Campaign for Common Telematics Platform Software Update

SBW54-089

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.

MYCOM_11012022

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 allow for a more efficient and timely service.

SBW54-090

Service Bulletin/Repair Instructions

Western Star Service Bulletin for ABS mBSP ECU Software Update Fault Code 629-11. New Cascadia vehicles manufactured from September 12, 2018 through March 22, 2021 that are equipped with WABCO Anti-Lock Braking System (ABS) controllers log excessive 629-11 fault codes, which can lead to additional downstream fault codes. The ABS controller will receive a software update to eliminate erroneous fault codes and ensure proper function.

ICI22-044

Service Bulletin/Repair Instructions

Important Campaign Information Letter for SF657 – Revised Bulletin. Newest Revision: A screenshot of the DiagnosticLink screen showing in Fig.15 showing 'Activation OK' must be kept on file with the repair order. This letter is to inform you that tools are now required for the SF657 repair, and the work instructions have been updated.

SF657

Service Bulletin/Repair Instructions

Field Service Campaign for Freightliner and Western Star CTP Software Update

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.