2020 Western Star 49X TSBs
65 Technical Service Bulletins across 14 categories
Categories
Pre-Delivery & Maintenance
14 bulletinsService Solution for DT12 Oil Plug Ports
Features and Benefits for Detroit Connect UpfrontService Extension
Features and Benefits for Detroit Connect Base Service Renewal
Technical Service Bulletin for SAS01T to SAS03T Replacement Information
Technical Service Bulletin for DT12 Excessive Wear
Service Solution for X-Series intermittent no-start and CPC not configured message
Important Campaign Information letter for SF698 Third Revised Bulletin
Important Campaign Information letter for DDC D23M3 - Campaign Reactivated and Extended.
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Field Service Campaign D23M3 - GHG17 DETROITTM DD16 Vibration Damper Replacement has been extended for an additional 6 months.
Important Campaign Information Letter for SF698 Second Revised Bulletin
Revised Important Campaign Information letter for SF698 - Revised Bulletin.
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REVISION: Clarifying statements and a figure were added to the work instructions between steps 8 and 9 regarding grayed out XMC parameters.
Field Service Campaign for Common Telematics Platform (CTP) Installation and Initialization
Important Campaign Information letter for SF669 Campaign Suspended
Important Campaign Information letter for FL974 - Revised Bulletin & Population
Field Service Campaign for Adaptive Cruise Control
Other
10 bulletinsCX Advocate for Questions/Issues Raised
CX Advocate for ConMet Oil Pan Insert Additional Issues
My Communications for UFI 0-Ring Announcement
CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
CX Advocate for NOx conversion low faults
CX Advocate for GATS2.4 being expanding to DD15
CX Advocate for ConMet Oil Pan Insert Additional Failures
CX Advocate for ConMet Oil Pan Insert Additional Failures
CX Advocate communication for NOx conversion low faults
Customer letter regarding variable speed water pump.
Engine
8 bulletinsService Solution for ECP Solenoid Valve Interim Replacement Parts
CX Advocate for turbo oil drain cracking
CX Advocate for turbo oil drain cracking
CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
Revised Field Service Campaign for Western Star Heated Headlight Parameters.
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SECOND REVISION: The parameter set was updated to address a potential conflict that affected engine speed control functionality.
Revised Field Service Campaign for Western Star Heated Headlight Parameters.
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SECOND REVISION: The parameter set was updated to address a potential conflict that affected engine speed control functionality.
Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
Lighting
8 bulletinsRevised Field Service Campaign for Western Star Heated Headlight Parameters
Revised Field Service Campaign for Western Star Heated Headlight Parameters
Revised Field Service Campaign for Western Star Heated Headlight Parameters.
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REVISION: Clarifying statements and a figure were added to the work instructions between steps 8 and 9 regarding grayed out XMC parameters.
Revised Field Service Campaign for Western Star Heated Headlight Parameters.
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REVISION: Clarifying statements and a figure were added to the work instructions between steps 8 and 9 regarding grayed out XMC parameters.
Field Service Campaign for Western Star Heated Headlight Parameters
Field Service Campaign for Western Star Heated Headlight Parameters
Field Service Campaign for Western Star Heated Headlight Parameters
Service Solution for 47X & 49X Headlamp Marker Light Strobing or Flickering
Electrical
5 bulletinsCX Advocate for M2 Plus, 47X, 49X Fault Code 232/524000/19- ECU CPC data error
Revised Service Solution for X-Series Western Star Fault Code 232/524000/19- ECU CPC data error
Customer Advisory Letter for Battery Cable Depopulation Stud Inspection, with or without Jumpstart Post
Revised Emissions Recall: Cummins DEF Sensor Shortage.
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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.
Emissions Recall: Cummins DEF Sensor Shortage
Transmission
4 bulletinsRevised Technical Service Bulletin for DT12 OVX Transmission Refresh
Service Solution for 47X/49X Dual Power Steering Gear Orifice Fittings
Technical Service Bulletin for DT12 OVX Transmission Refresh
CX Advocate communication for clutch bolts
Body & Paint
4 bulletinsRevised Service Solution for Western Star vehicles with excessive water intrusion into the air system
Service Solution for Western Star vehicles with excessive water intrusion into the air system
Updated Western Star Service Bulletin for Tire Pressure Monitoring System (TPMS) Water Intrusion.
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This bulletin replaces the version dated 08/17/2022. Information about the protective boot has been updated.
Western Star Service Bulletin for Tire Pressure Monitoring System (TPMS) Water Intrusion
HVAC & Climate
3 bulletinsFleet Communications for Heater Core Plugging
Revised Service Bulletin for HVAC Software Updates.
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Description of Revisions: This bulletin replaces the version dated 06/21/2022. The model applicability list and the general information have been updated.
Western Star Service Bulletin for HVAC Software Updates
Software & Calibration
3 bulletinsField Service Campaign for Common Telematics Platform Software Update
My Communications for SF625 and SF657 Pre-Flashed USB Tools.
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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.
Field Service Campaign for Freightliner and Western Star CTP Software Update
Steering
2 bulletinsService Solution for ICC5 Erroneous Electric Power Steering Warning Message
Service Solution for Power Steering Reservoir Fill Cap Venting
Suspension
1 bulletinCX Advocate for X-Series HD Front Suspension Threaded
Tires & Wheels
1 bulletinService Solution for 49X and 47X Web Mounted 5th Wheel Ramps
Brakes
1 bulletinWestern Star Service Bulletin for ABS mBSP ECU Software Update Fault Code 629-11.
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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.
Infotainment
1 bulletinImportant Campaign Information Letter for SF657 Revised Bulletin.
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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.