CXA 08_26_Equalizer Beam
Other
CX Advocate for Twin Steer Equalizer Beam Bushing Wear
Vehicle report
2022 WESTERN STAR 49X
Service bulletins
228 bulletinsTechnical 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-54-375-FTL
Service Bulletin/Repair Instructions
Revised Technical Service Bulletin for Removing Odometer Pause Wiring Modifications
PB-47-900-WST
Service Bulletin/Repair Instructions
Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
TSB-26-007-WST
Service Bulletin/Repair Instructions
Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
CXA 05_26_Equalizer Beam
Other
CX Advocate for Twin Steer Equalizer Beam Bushing Wear
TS-0008-00
Other
Truck Equipment Manufacturer Solution for RSS with PTO Engagement
CXA 03_26_ABS LA Fault
Other
CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)
CXA 03_26_Surge Tank
Other
CX Advocate for discolored coolant surge tanks (24CSA-20)
TSB-54-104-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for ESC warning lamp and ECU replacement
TSB-26-006-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for DT12 Excessive Wear
CXA_01_26_Trans Support
Other
CX Advocate for Aftermarket Transmission Support
TSB-26-009-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for Transmission shift stalk
FleetCom_ECU Faults
Other
Fleet Communications for Intermittent Connections and ECU Fault Codes
FleetCom_ECP Module
Other
Fleet Communications for ECP (Electronic Control Pneumatic) Module Water Ingress
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
TSB54-101-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin Low Coolant Sensor
CXA 11_25_ECP Modules
Other
CX Advocate for ECP (Electronic Control Pneumatic) Modules, possible water ingress
CXA 11_25_ECU Faults
Other
CX Advocate for Intermittent Connections and ECU Fault Codes
CXA 11_25_Tech Questions
Other
CX Advocate for Questions/Issues Raised
FleetCom_Low Coolant
Other
Fleet Communications for Low Coolant Sensor
TSB82-003-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for Fixing Unintended Wiper Sweep
TSB-32-020-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for TufTrac M12 Bolts
CXA_10_25_Conmet Oil Pan
Other
CX Advocate for ConMet Oil Pan Insert Additional Issues
CXA_10_25_Cummins X15
Other
CX Advocate for Cummins X15 Power Steering Pump Plumbing
CXA_10_25_J1939 Comm
Other
CX advocate for WST X-Series J1939 Communication Errors with Cummins Engines
CXA_10_25_Low Coolant
Other
CX Advocate for P4, WST X-Series, DD Engines Low/Critical Low Coolant Warnings
CXA_10_25_Odometer Pause
Other
CX Advocate for Removing Odometer Pause Wiring Modifications (TSB-54-375-FTL, TSB-54-100-WST)
CXA_10_25_Tech Questions
Other
CX Advocate for technical questions/issues raised
TSB46-010-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for Cummins X15 Power Steering Pump Plumbing
CXA_9_25_Tech Questions
Other
CX Advocate for technical questions/issues raised
WI25-014
Other
Warranty Information letter for Power Steering Tank Venting Diagnostic Procedures Revision
MYCOM_09092025-1
Other
My communications for DTNA Announces Extended Coverage Policy Updates
MYCOM_09022025-1
Other
My Communications for UFI 0-Ring Announcement
TSB-26-001-DDC
Other
Technical Service Bulletin for DT12 Range Detent Diagnostic
CXA_8_25_Tech Questions
Other
CX Advocate for technical questions/issues raised
TSB54-100-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for Removing Odometer Pause Wiring Modifications
24CSA-19Rev
Other
Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks
PB33-005-WST
Service Bulletin/Repair Instructions
Parts Bulletin for Tie Rod Assembly Part Breakdown
CXA_5_25_Headlight Wiring
Other
CX Advocate for Headlight wiring (TSB54-099-WST)
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
CXA 4_25_DPF Outlet Temp
Other
CX Advocate for DPF Outlet Temp High Gen5 DD15 ENGINES
SS784-WST
Other
Service Solution for ICC5 Erroneous Electric Power Steering Warning Message
CXA 3_25_DPF Outlet Temp
Other
CX Advocate for DPF Outlet Temp High Gen5 DD15 ENGINES
CXA 3_25_NOx
Other
CX Advocate for NOx conversion low faults
CXA 3_25_SAS01T to SAS03T
Other
CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
SS782-WST
Other
Service Solution for ICC5 B-Panel Gauges Intermittently Not Being Displayed
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_NOx
Other
CX Advocate for NOx conversion low faults
CXA 2_25_Turbo Oil Drain
Other
CX Advocate for turbo oil drain cracking
SS780-WST
Other
Service Solution for Tire Pressure Monitoring System (TPMS) Water Intrusion Through Perimeter Seal
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
TSB01-001-DDC
Service Bulletin/Repair Instructions
Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
TSB01-002-DDC
Service Bulletin/Repair Instructions
Technical Service Bulletin for Gen 5 DD13 Turbocharger Oil Return Line Cracks
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
TSB91-004-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
CXA 1_16_CARB Truck Chec
Other
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
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_Park Brake
Other
CX Advocate for unwanted park brake warning (TSB-54-098-WST)
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
SS771-WST
Other
Service Solution for 47X/49X Front Suspension AluminumShackle Bars
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
D24R2-Bulletin
Emissions
Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
D24R2-DLR LTR
Emissions
Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
D24R2-OWN LTR
Emissions
Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
CXA 11_21_CARB Truck Chec
Other
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
SS768-WST
Other
Service Solution for 47X, 49X, 57X Park brake check valve may be improperly plumbed causing brakes to drag
SS772-WST
Other
Service Solution for X-series Bodybuilder Marker Lights Turn Off While Truck Lights Remain On
TSB54-098-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for Disabling the ‘Park Brake Set / Door Open’ Warning
WI24-019
Warranty Program/Extension
Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
SS769-WST
Other
Service Solution for 49X & 47X with Cummins Engines and eViscous Engine Fan with Communication Issues
CXA_10_17_CARB Truck Chec
Other
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
CXA_10_17_Wiper Sweep
Other
CX Advocate for WST x-series unintended wiper sweep (TSB82-003-WST)
ICI24-039
Other
Important Campaign Infomration letter for DDC D23M1 - Campaign Extended
24CSA-19
Other
Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
24CSA-20
Service Bulletin/Repair Instructions
Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
SS755-WST
Other
Service Solution for X Series Odometer Reading Incorrect With Split Shaft PTO's
SS1023366-Detroit
Other
Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
CXA 9_24_HDEP HPFL Seal
Other
CX Advocate for HDEP High Pressure Fuel Line Seal Failures
24CSA-16
Service Bulletin/Repair Instructions
Detroit Customer Service Annoucement for Gen 5 DD15 Cylinder Head Cup Plug Replacement
CXA 8_24_AutoElevate Disa
Other
CX Advocate for AutoElevate Disablement Gen5 Engines
CXA 8_24_AutoElevate and
Other
CX Advocate for benefits of Autoelevate and hydrocarbon faults
CXA 8_24_BCA CLDS TSB
Other
CX Advocate for Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality (TSB54-369-FTL, TSB54-095-WST)
CXA 8_24_CTP2 Shrtg_SF685
Other
CX Advocate for CTP2 Shortage Recovery – Cummins Only (SF685)
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.
TSB54-095-WST
Service Bulletin/Repair Instructions
Revised Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality. Description of Revisions: This bulletin replaces the version dated 07/30/2024. Make has been updated in the described condition.
SF685-Bulletin
Service Campaign
Field Service Campaign for Common Telematics Platform Cummins Engine. Certain vehicles spec’d with a Common Telematics Platform (CTP2) were shipped without the CTP2 due to shortages from the supplier.
SF685-DLR LTR
Service Campaign
Field Service Campaign for Common Telematics Platform Cummins Engine. Certain vehicles spec’d with a Common Telematics Platform (CTP2) were shipped without the CTP2 due to shortages from the supplier.
SF685-OWN LTR
Service Campaign
Field Service Campaign for Common Telematics Platform Cummins Engine. Certain vehicles spec’d with a Common Telematics Platform (CTP2) were shipped without the CTP2 due to shortages from the supplier.
FICM Cleaning
Other
Cleaning Gen5 Engine Fuel Injectors
FICM Email
Other
Fuel Injector Cleaner Updated Procedure
FICM Priming
Other
Fuel Injection Cleaning Machine Priming Procedures
FICM Setup
Other
Draft Fuel Injection Cleaning Machine (FICM) Setup Instructions
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_AutoElevate Disa
Other
CX Advocate for AutoElevate Disablement Gen5 Engines
CXA 7_24_CTP2 Shrtg_SF685
Other
CX Advocate for CTP2 Shortage Recovery – Cummins Only (SF685)
CXA 7_24_Conmet Oil Pan
Other
CX Advocate for ConMet Oil Pan Insert Additional Failures
CXA 7_24_DPF Outlet Temp
Other
CX Advocate for DPF Outlet Temp High Gen5 DD15 ENGINES
CXA 7_24_NOx
Other
CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
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
CXA 06_24_Oil Lines
Other
CX Advocate communication for oil lines disconnecting
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.
TSB30-001-WST
Service Bulletin/Repair Instructions
Revised Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update. Description of Revisions: This bulletin replaces the version dated 02/22/2024. The service bulletin number has been added in the title and the warranty statement is modified.
TSB35-023-WST
Service Bulletin/Repair Instructions
Technical Service Bulletin for New Final Drive Over Heat Diagnostic
SF672 POSTCARD LARGE
Service Campaign
Field Service Campaign Owner Reminder Postcard large population
SF672 POSTCARD SMALL
Service Campaign
Field Service Campaign Owner Reminder Postcard small population
SF673 POSTCARD LARGE
Service Campaign
Field Service Campaign Owner Reminder Postcard large population
SF673 POSTCARD SMALL
Service Campaign
Field Service Campaign Owner Reminder Postcard small population
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.
SF665 POSTCARD LARGE
Service Campaign
Field Service Campaign Owner Reminder Postcard large population
SF665 POSTCARD SMALL
Service Campaign
Field Service Campaign Owner Reminder Postcard small population
D24M3-Bulletin
Service Campaign
Field Service Campaign for Drilled Exhaust Rocker Arm Installation
D24M3-DLR LTR
Service Campaign
Field Service Campaign for Drilled Exhaust Rocker Arm Installation
D24M3-OWN LTR
Service Campaign
Field Service Campaign for Drilled Exhaust Rocker Arm Installation
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
FL922_V4
Service Bulletin/Repair Instructions
Emission recall for Freightliner Cascadia and Western Star 49X Exhaust Support Bracket
SS759-WST
Service Bulletin/Repair Instructions
Service Solution for 47X & 49X Headlamp Marker Light Strobing or Flickering
ICI23-050
Service Bulletin/Repair Instructions
Important Campaign Information Letter for SF665 - Campaign Reactivated
SF665
Service Bulletin/Repair Instructions
Field Service Campaign for Common Telematics Platform
ICI23-046
Service Bulletin/Repair Instructions
Important Campaign Information Letter for SF675 - Revised Work Instructions. This letter is to inform you that Table 3, Step 22 (page 61) has been updated, along with the Notes throughout the sub-steps of Step 22.
SF675_V2
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Western Star Snow Plow Light Harness
SF672_V4
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Common Telematics Platform Software Update
ICI23-044
Service Bulletin/Repair Instructions
Important Campaign Information Letter for SF665 - Campaign Suspended
SF675
Service Bulletin/Repair Instructions
Field Service Campaign for Western Star Snow Plow Light Harness
SBW60-028
Service Bulletin/Repair Instructions
Service Bulletin for Relocating the Bluetooth Microphone
SF639
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Bendix SDP5 Software Update
SS754-WST2023
Service Bulletin/Repair Instructions
Service Solution for 49X and 47X Web Mounted 5th Wheel Ramps
ICI23-034
Service Bulletin/Repair Instructions
Important Campaign Infomration Letter for SF639 - Campaign Suspended
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.
SF655
Service Bulletin/Repair Instructions
Field Service Campaign for Freightliner Cascadia and Western Star 47X/49X Fan Controller
SF656
Service Bulletin/Repair Instructions
Field Service Campaign for Western Star 49X Airliner Rear Suspension
SF672
Service Bulletin/Repair Instructions
Field Service Campaign for Common Telematics Platform Software Update
SF642
Service Bulletin/Repair Instructions
Field Service Cmpaign for Western Star 49X Radiator RockGuard & Fan Shroud.
SF661_V2
Service Bulletin/Repair Instructions
Revised Freightliner and Western Star Field Service Campaign for Freightliner and Western Star Trucks with Cummins Engines, Cruise Control Indicator Light
SBW54-087
Service Bulletin/Repair Instructions
Western Star Service Bulletin for Resetting the Maintenance System for DT12 Oil Changes
SF661
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Freightliner & Western Star Trucks with Cummins Engines - Cruise Control Indicator Light
SF658
Service Bulletin/Repair Instructions
Field Service Campaign for Integrated Predictive Powertrain Control ECU. Resubmitting to fix a table formatting issue.
ICI23-001
Service Bulletin/Repair Instructions
Important Campaign Information Letter for SF658 Revised Bulletin, Intelligent Powertrain Management ECU
SF654
Service Bulletin/Repair Instructions
Field Service Campaign for Western Star Front Radar Mounting Bracket
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.
SF638
Service Bulletin/Repair Instructions
Field Service Campaign for Side Guard Assist. Certain vehicles, ordered with the optional Side Guard Assist (SGA) feature, were shipped with non-functional short range radar (SRR) sensors due to shortages from the sensor supplier. The non-functional SRR sensors will be replaced with the new functional sensors.
SS732-WST2022
Service Bulletin/Repair Instructions
Service Solution for Low Power Complaint. When additional floor heat insulation is ordered, the throttle pedal in some cases (when the throttle is fully depressed) may not reach 100% (full throttle). This can also occur if aftermarket floor mats are added to the vehicle.
SF659
Service Bulletin/Repair Instructions
Field Service Campaign for Western Star 47X and 49X Maintenance System Update. On certain vehicles, the maximum driving distance parameter that prompts notification to change the transmission oil is set incorrectly. The parameter is set to provide an indicator no later than 965,400 km (approx. 600,000 mi), when it should have been set to provide an indicator no later than 300,000 km (approx.186,000 mi).
CALWST54-005
Service Bulletin/Repair Instructions
Customer Advisory Letter for ABS MBSP Controller Parameter Update for Enhanced Stability Control.
SBW54-088
Service Bulletin/Repair Instructions
Western Star Service Bulletin for Non-Functioning Heated Headlamps. This service bulletin describes how to resolve non-functioning headlamps on 47X and 49X vehicles. Symptoms of this issue may only appear while operating in cold weather conditions. Snow, ice, and moisture may accumulate on headlight lenses.
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 â 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
Revised Freightliner and Western Star CTP Software Update REVISION: New tools are required. The USB stick with SF657 software already loaded, along with the USB stick to CTP adaptor harness that is On-the-Go (OTG) protocol compliant, now have part numbers that can be purchased through the parts distribution center (PDC).
SBW54-086
Service Bulletin/Repair Instructions
Western Star Service Bulletin for Meritor Rear Axle Temperature Parameters
SS714-WST2022
Service Bulletin/Repair Instructions
Service Solution for Primary Mirror Shaking and Vibration
SF646
Service Bulletin/Repair Instructions
Field Service Campaign for Western Star 47X and 49X Front Closing Crossmember
SS728-WST2022
Service Bulletin/Repair Instructions
Service Solution for RDF Nuisance J1939 Fault SA 42 SPN 524287 FMI 31
SS726-WST2022
Service Bulletin/Repair Instructions
Service Solution for 49X & 47X Non FunctioningHeated Headlamps. Heating function of heated headlamps not functioning possible allowing snow and moisture toaccumulate on lens.
SF652
Service Bulletin/Repair Instructions
Western Star Field Service Campaign for Western Star 49X VRDU Programming. On certain vehicles equipped with Side Guard Assist (SGA), the Video Radar Device Unit (VRDU) contains parameters that have proven to be too sensitive for vocational customers.
SF653
Service Bulletin/Repair Instructions
Western Star Field Service Campaign for Western Star 49X SRR Overwrite Sensor Mounting Data Update. On certain vehicles, the Short Range Radar (SRR) sensor, located on the passenger side, contains incorrect mounting position parameters. Incorrect mounting position parameters may cause early warning of passenger side objects.
SS3097-FTL2022
Service Bulletin/Repair Instructions
Service Solution for ShipShort Intelligent Powertrain Management (IPM). Due to electronic control supply shortages, vehicles shipped without the Intelligent Powertrain Predictive Cruise (IPPC) module. The purpose of the IPPC module is to improve fuel efficiency when the Predictive Cruise Control feature is enabled. Not having the IPM does not affect othercruise control functions, such as Adaptive Cruise Control or standard cruise control.
SS725-WST2022
Service Bulletin/Repair Instructions
Service Solution for Power Steering Cap Contact withHood Strap. Under certain conditions the drivers side hood restraint strap, which is attached to the radiatorand hood, may become lodged behind the power steering cap. When opening the hood, the hood restraint strap may pull on the power steering cap resulting in the cap coming off of the reservoir.
ICI22-017
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 additional three months. Please use the extended termination date for all work under D21M1 from this point forward. REVISION: D21M1 termination date extended to July 1, 2022.
ICI22-018
Service Bulletin/Repair Instructions
Important Campaign Information Letter for DDC D21M7 Termination Date Extended. This letter is to inform you that a revised bulletin for Detroit Diesel Field Service Campaign D21M7, GHG21 Detroit DD16 CPC Software Reprogramming has been EXTENDED for an additional five months. Please use the extended termination date for all work under D21M7 from this point forward. REVISION: D21M7 termination date extended to April 12, 2023.
SF648
Service Bulletin/Repair Instructions
Field Service Campaign for Western Star 47X and 49X SBA Front Suspension Shackle Bolts. On certain vehicles, the front suspension shackle bar may have a deformed spring pin hole due to lack of clamp load at the spring pin joint, causing a decrease in joint clamp load and movement of the spring pin.
SF634
Service Bulletin/Repair Instructions
Field Service Campaign for Western Star 49X Front Crossmember. A loss of clamp load, in the aft connection of the engine crossmember and frame rail, could result in a frame rail crack.
SS723-WST2022
Service Bulletin/Repair Instructions
Service Solution for 49X Hood Handle Mounting
ICI22-015
Service Bulletin/Repair Instructions
Important Campaign Information letter for SF622 â Addition of 8x4 Vehicles to Populationx
SF622REV
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Cascadia, 49X ABS MBSP+ Controller Software Update
508971
Service Bulletin/Repair Instructions
Notice for certain vehicles: Due to the way in which this vehicle was configured, the vehicle does not display the Cruise Control telltale on the instrument cluster when the Cruise Control system is turned On. All other Cruise Control functionality works as intended, including the driverâs ability to disable Cruise Control by engaging the brakes.
ICI22-014
Service Bulletin/Repair Instructions
Important Campaign Information Letter for SF635 â Work Instructions Revised.
SF635REV
Service Bulletin/Repair Instructions
Revised Western Star Field Service Campaign for Western Star 49X - XMC Software Update
CALWS54-004
Service Bulletin/Repair Instructions
Customer Advisory Letter for Western Star 49X Adaptive Cruise Control
SBW54-082
Service Bulletin/Repair Instructions
Western Star Service Bulletin for Battery Load Disconnect Switch Installation. Cab load disconnect switches (CLDS), also known as positive load disconnect, installed on selected vehicles can reduce battery drain when the vehicle is not operational.
SS715-WST2022
Service Bulletin/Repair Instructions
Transmission Cooler Line Plumbing Fitting. Transmission cooler line plumbing fitting connections at the radiator may have relative movement between rail and radiator allowing fittings to become loose and leak.
SS3083-FTL2021
Service Bulletin/Repair Instructions
Service Solution for Aero Height Control Interfering with RDF Alignment. The Aerodynamic Height Control feature on the New Cascadia is a feature that raises and lowers the air suspension with relation to vehicle speed in order to reduce drag and achieve better fuel efficiency. The Hadley Smart Valve (HSV) is the module that makes this possible by applying and exhausting air from the rear axle suspension as necessary.
SS720-WST2021
Service Bulletin/Repair Instructions
Service Solution for Mirror Mounted Antenna Ground. CB radio and or AM/FM radio difficult to hear incoming audible, cuts out.
21TS-12REV
Service Bulletin/Repair Instructions
Revised Detroit Technical Service Letter for Gen 5 Detroit DD16 Poor Acceleration Complaints In Western Star 49X Chassis When Lightly Loaded. This letter has been removed as more current information is now available in the campaign letter D21M7.
D21M7
Service Bulletin/Repair Instructions
Detroit Field Service Campaign for GHG21 Detroit DD16® CPC Software Reprogramming. All the vehicles in the population require programming the CPC. Some vehicles require programming the ACM, MCM, and TCM (if equipped with a Detroit DT12 transmission) to Model Year 2021 for compatibility. Please refer to the attached work instructions for MINIMUM software versions.
SF641
Service Bulletin/Repair Instructions
Field Service Campaign for Western Star 49X Transmission Cooler Plumbing. Due to normal vibrations combined with inadequate support, the quick-connect fittings on the transmission oil cooler lines may experience excessive wear, leading to a transmission oil leak; if not addressed, this could lead to transmission damage.
SS704-WST2021
Service Bulletin/Repair Instructions
ECP (Electronic Controlled Pneumatics) Ground Noise/False Codes. Internal board of ECP supplied by manufacturer. Audible chirping noise through speakers, leaking air through ECP, continual error codes with no problem found.
SS719-WST2021
Service Bulletin/Repair Instructions
Beacon Light Wiring Harness. Customer installed beacon lights intermittent operation, flicker, do not flash. XMC allows for up to 2amp lights to be used for beacon light installations, some beacon lights in the aftermarket installations are 5amp and greater.
SF635
Service Bulletin/Repair Instructions
XMC Software Update. Due to a software issue with the Xtra Modular Controller (XMC), some body builder-installed electrical components may not work as intended (may be intermittent or non-functioning).
SS705-WST 2021
Service Bulletin/Repair Instructions
Service Solution for XMC Output Reliability. Reliability issue with the six 20 Amp outputs (DO1-DO6) on the XMCâs. A software revision is now available to allow 20 Amp outputs work reliably on XMCâs for 49X.
CTP1Updates
Service Bulletin/Repair Instructions
DetroitConnect follow-up customer communication for certain vehicles unable to complete over the air updates including parameters and DDEC over the air.
MYCOM_091321-3
Service Bulletin/Repair Instructions
My Communication for Detroit Connect Over the Air Issue Update. This is an update for the previously communicated Over the Air functionality issue on CTP1s. We are currently testing a solution for the issue that is affecting these CTP1 telematics devices. While testing is not complete initial results are promising. The solution will require a soft ware update which is currently planned for October/November.
SF636
Service Bulletin/Repair Instructions
Field Service Campaign for Western Star 49X Differential Lock - Parameter Update. Vehicles may automatically disengage the differential lock without warning when vehicle speed reaches 25 mph.
SS711-WST 2021
Service Bulletin/Repair Instructions
Service Solution for Aux E-vault Rattle in Day Cab. Rattle noise inside of cab coming from the e-vault location. Mounting bracket has low fore/aft stiffness
SS717WST-2021
Service Bulletin/Repair Instructions
Service Solution for Door Drain Plug & Water Pooling.
ICI21-027
Service Bulletin/Repair Instructions
Important Campaign Information Letter for SF622 â Campaign Revision/Reactivation. This letter is to inform you that the work instructions for Field Service Campaign SF622, Cascadia/49X ABS MBSP+ Controller Software Update have been revised.
SF622
Service Bulletin/Repair Instructions
Revised Field Service Campaign for Cascadia/49X ABS MBSP+ Controller Software Update. REVISION: The work instructions have been revised. Certain vehicles have a WABCO Anti-Lock Braking System (ABS) controller that logs excessive 629-11 fault codes which subsequently lead to additional downstream fault codes.
21TS-12
Service Bulletin/Repair Instructions
Technical Service Letter for GHG21 Detroit DD16 Poor Acceleration Complaints In Western Star 49X Chassis When Lightly Loaded.
PTP PAINT UPDT
Service Bulletin/Repair Instructions
Portland Truck Plant Paint Update - WST182 The Portland Truck Plant schedule is full through the end of 2021 for Western Star 4700, 4800, 4900, and 6900 models; the plant has also reached the maximum paint process capacity for multi-color and custom paint designs. Due to the capacity constraint, the Western Star CAE team will no longer accept Truck Change Orders requesting changes from a single color paint to a multi-color paint or custom paint design for vehicles building at the Portland Truck Plant through the end of 2021.
SS3085FTL-2021
Service Bulletin/Repair Instructions
Service Solution for Cummins PTO functionality error software level 81Z-006. Cascadia/Western Star 49X with Cummins engines combined with software level 81Z-006. A programming bug in the central gateway (CGW) for software level 81Z-006 will not allow completion of the preset #2 PTO engine speed. During PTO speed request for anything greater than the #1 set speed , if the Cummins ECU software determines that the increase in speed isn't ramping fast enough, it will refer to an engine torque control setting instead of the engine speed control setting.
SS715WST-2021
Service Bulletin/Repair Instructions
Service Solution for Transmission Cooler Line Plumbing Fitting. Transmission cooler line plumbing fitting connections at the radiator may have relative movement between rail and radiator allowing fittings to become loose and leak.
SS716WST-2021
Service Bulletin/Repair Instructions
Service Solution for Exterior Sun Visor Loose. Leg support of sun visor may debond from visor installation.
CONSOLESHORTAGE
Service Bulletin/Repair Instructions
Storage Console Shortage. Freightliner and Western Star orders with the following option may experience a temporary delay in availability of the storage console mounted on the interior backwall of Daycabs.
WSTTOUGHTALK3
Service Bulletin/Repair Instructions
Western Star Tough Talk episode 3 now available.
SBW54-079
Service Bulletin/Repair Instructions
Western Star Service Bulletin for Replacing 104-Way Terminal Wiring Using a Pigtail Kit. This bulletin contains information required to replace 104-way connector wires or terminals using the properly sized pigtail, as documented in the kit listed in the repair portion of the bulletin.
SS2083FTL2021
Service Bulletin/Repair Instructions
Service Solution for Aero Height Control Interfering with RDF Alignment and 42/523004/13 and 232/524042/9 Active for vehicles equipped with Hadley Smart Valve. The Aerodynamic Height Control feature on the New Cascadia is a feature that raises and lowers the air suspension with relation to vehicle speed in order to reduce drag and achieve better fuel efficiency. The Hadley Smart Valve (HSV) is the module that makes this possible by applying and exhausting air from the rear axle suspension as necessary.
BATTDISCONNECT
Service Bulletin/Repair Instructions
Continued Supply Shortages Impacting Battery Disconnect Components
SS709WST2021
Service Bulletin/Repair Instructions
Service Solution for fuel level sending unit loose.
SBW54-080
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.
MYCOM_032521-1
Service Bulletin/Repair Instructions
Freightliner and Western Star Production Schedule Update Freightliner Cascadia & Western Star 4700, 49X and 5700XE Production Schedule Update We recently communicated to our Freightliner Trucks dealer distribution network the rolling production delays for medium-duty truck models built at our Mount Holly and Santiago Truck Manufacturing Plants(TMP). The effects of the COVID-19 pandemic continue to impact global semiconductor supply chains and the prolonged duration of these shortages have reached our heavy-duty truck supply chain as well.
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.