2024 Western Star 49X TSBs
204 Technical Service Bulletins across 15 categories
Categories
Pre-Delivery & Maintenance
37 bulletinsRevised Warranty Information letter for missing chamber caging bolts
Warranty Information letter for missing chamber caging bolts
Warranty Information letter for Reman Parts Usage Policy Reminder
Revised Technical Service Bulletin for DT12 Range Detent Diagnostic
Technical Service Bulletin for DT12 Range Detent Diagnostic
Technical Service Bulletin for TufTrac M12 Bolts
Technical Service Bulletin for DT12 Excessive Wear
Important Campaign Information letter for (Revised) Loves Travel Stops Authorized Campaign Program
Revised Important Campaign Information letter for (Revised) CPWA Recall Program
Field Service Campaign for DEF Regen Inhibit Dash Switch Indicator
Field Service Campaign for DEF Regen Inhibit Dash Switch Indicator
Field Service Campaign for DEF Regen Inhibit Dash Switch Indicator
Service 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
Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
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 Owner Reminder Postcard large population
Field Service Campaign Owner Reminder Postcard small population
Field Service Campaign Owner Reminder Postcard large population
Field Service Campaign Owner Reminder Postcard small population
Technical Service Bulletin for New Final Drive Over Heat Diagnostic
Important Campaign Information letter for SF676 - Revised Bulletin & Population
Field Service Campaign for Cummins Cruise Control Inhibit
Important Campaign Information letter for SF676 - Bulletin Revision
Field Service Campaign for Common Telematics Platform
Important Campaign Information Letter for SF665 - Campaign Reactivated
Important Campaign Information Letter for SF665 - Campaign Suspended
Field Service Campaign for Common Telematics Platform
Field Service Campaign for Front Wall Huck Bolt Fasteners
Service Solution for PTO Engagement
Engine
33 bulletinsTechnical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and...
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Bendix Side Radar
CX Advocate for error generates when SSR is moved into an engine brake position 1,2,3 (TSB-26-058-FTL, TSB-26-009-WST)
CX Advocate for P4, WST X-Series, DD Engines Low/Critical Low Coolant Warnings
CX advocate for WST X-Series J1939 Communication Errors with Cummins Engines
Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks
Service Solution for ECP Solenoid Valve Interim Replacement Parts
CX Advocate for turbo oil drain cracking
CX Advocate for Cummins Engine with Wired Regen Inhibit Switch (SF703)
Technical Service Bulletin for Gen 5 DD13 Turbocharger Oil Return Line Cracks
CX Advocate for turbo oil drain cracking
CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
Service Solution for Optimized Idle icon missing on instrument cluster
Service Solution for 47X, 49X, 57X Park brake check valve may be improperly plumbed causing brakes to drag
Field Service Campaign for Cummins Engine with Wired Regen Inhibit Switch
Field Service Campaign for Cummins Engine with Wired Regen Inhibit Switch
Field Service Campaign for Cummins Engine with Wired Regen Inhibit Switch
CX Advocate for the following CSA: (24CSA-17,24CSA-19,24CSA-20) Gen 5 DD13 Turbocharger Oil Return Line Cracks,...
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Heavy-Duty Engine Product (HDEP) Oil Separator Leaks, Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
Service Solution for 49X & 47X with Cummins Engines and eViscous Engine Fan with Communication Issues
Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
Detroit Customer Service Annoucement for Gen 5 DD13 Turbocharger Oil Return Line Cracks
Detroit Customer Service Annoucement for Gen 5 DD15 Cylinder Head Cup Plug Replacement
Cleaning Gen5 Engine Fuel Injectors
CX Advocate for AutoElevate Disablement Gen5 Engines
CX Advocate for AutoElevate Disablement Gen5 Engines
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
Customer Advisory Letter for Vehicle and Engine Update To Final GHG24 Certification
Service Solution for 47X & 49X Detroit Engines with TEM Interlock Speed Control
Other
27 bulletinsTruck Equipment Manufacturer Solution for PTO Mode Delay for Driving PTO
Truck Equipment Manufacturer Solution for RSS with PTO Engagement
CX Advocate for discolored coolant surge tanks (24CSA-20)
CX Advocate for Questions/Issues Raised
CX Advocate for Plastic Opaque Surge Tank Staining
CX Advocate for technical questions/issues raised
CX Advocate for ConMet Oil Pan Insert Additional Issues
CX Advocate for technical questions/issues raised
My Communications for UFI 0-Ring Announcement
CX Advocate for technical questions/issues raised
CX Advocate for DEF Regen Inhibit Dash Switch Indicator (SF716)
CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
CX Advocate for NOx conversion low faults
CX Advocate for NOx conversion low faults
CX Advocate for NOx conversion low faults
CX Advocate for GATS2.4 being expanding to DD15
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the...
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Clean Truck Check.
CX Advocate for discolored coolant surge tank
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the...
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Clean Truck Check.
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the...
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Clean Truck Check.
CX Advocate for Wabco Onguard (TSB54-364-FTL, TSB54-094-WST)
CX Advocate for ConMet Oil Pan Insert Additional Failures
CX Advocate for benefits of Autoelevate and hydrocarbon faults
CX Advocate for ConMet Oil Pan Insert Additional Failures
CX Advocate communication for oil lines disconnecting
CX Advocate communication for NOx conversion low faults
Customer letter regarding variable speed water pump.
Electrical
22 bulletinsRevised Technical Service Bulletin for Removing Odometer Pause Wiring Modifications
Technical Service Bulletin for ESC warning lamp and ECU replacement
Fleet Communications for Intermittent Connections and ECU Fault Codes
Fleet Communications for ECP (Electronic Control Pneumatic) Module Water Ingress
Technical Service Bulletin Low Coolant Sensor
Fleet Communications for Low Coolant Sensor
CX Advocate for Intermittent Connections and ECU Fault Codes
CX Advocate for ECP (Electronic Control Pneumatic) Modules, possible water ingress
CX Advocate for Removing Odometer Pause Wiring Modifications (TSB-54-375-FTL, TSB-54-100-WST)
CX Advocate for DT12 - TCM CAN communication issues with CPC
Technical Service Bulletin for Removing Odometer Pause Wiring Modifications
Technical Service Bulletin for Hood Headlight Wiring Too Short
CX Advocate for Headlight wiring (TSB54-099-WST)
CX 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
Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
CX Advocate for Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather...
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Functionality (TSB54-369-FTL, TSB54-095-WST)
Revised Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality.
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Description of Revisions: This bulletin replaces the version dated 07/30/2024. Make has been updated in the described condition.
Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality
Customer Advisory Letter for Battery Cable Depopulation Stud Inspection, with or without Jumpstart Post
Revised Field Service Campaign for Western Star Snow Plow Light Harness
Field Service Campaign for Western Star Snow Plow Light Harness
Fuel System
16 bulletinsParts Bulletin for Fluorosilicone Fuel Tank Cap Seals
Revised Field Service Campaign for Espar Fuel Standpipe Weld
Revised Field Service Campaign for Espar Fuel Standpipe Weld
CX Advocate for Espar Fuel Standpipe Weld (SF705)
Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
Field Service Campaign for Espar Fuel Standpipe Weld
Field Service Campaign for Espar Fuel Standpipe Weld
Field Service Campaign for Espar Fuel Standpipe Weld
Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
CX Advocate for HDEP High Pressure Fuel Line Seal Failures
Fuel Injector Cleaner Updated Procedure
Fuel Injection Cleaning Machine Priming Procedures
Draft Fuel Injection Cleaning Machine (FICM) Setup Instructions
CX Advocate communication for MCM fault integrated NOx flow rate low
Body & Paint
15 bulletinsCX Advocate for Hood Cracks
Fleet Communications for Trucks arriving at dealers and body builders with chassis leans greater than 3/8 of an inch
Parts Bulletin for Bumper and Rock Guard Part Numbers
My Communications for ConMet Quality Alert -- ABP 10045888 -- Seal Service Kit
Fleet Communications for Corrosion Protecton/Glyptal Application
Revised Service Solution for Western Star vehicles with excessive water intrusion into the air system
Fleet Communications for Trucks arriving at dealers and body builders with chassis leans greater than 3/8 of an inch
CX Advocate for Trucks arriving at dealers and body builders with chassis leans greater than 3/8 of an inch
CX Advocate for Nuisance Mirror Adjustment DTC (SS785-WST)
Service Solution for Nuisance Mirror Adjustment DTC
CX Advocate for wheel seals
Service Solution for Western Star vehicles with excessive water intrusion into the air system
Service Solution for Tire Pressure Monitoring System (TPMS) Water Intrusion Through Perimeter Seal
Service Solution for X-series Bodybuilder Marker Lights Turn Off While Truck Lights Remain On
Customer Advisory Letter regarding installing a heated windshield.
Transmission
11 bulletinsDetroit Transmissions Manual Update for Symptom Diagnostics DT12 C/D Box Range Shift to Neutral with Reversing Events...
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(Aborts)
Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
Technical Service Bulletin for Transmission shift stalk
CX Advocate for Aftermarket Transmission Support
Fleet Communications for TCM Fault 520970/7 Clutch Unable to Open Fully
Fleet Communications for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
CX Advocate for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
Service Solution for 47X/49X Dual Power Steering Gear Orifice Fittings
Technical Service Bulletin for DT12 OVX Transmission Refresh
Service Solution for 47X & 49X Shifter Interference with Arm Rest
CX Advocate communication for clutch bolts
Software & Calibration
8 bulletinsMy communications for DTNA Announces Extended Coverage Policy Updates
Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.
Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.
Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.
CX Advocate for NOx conversion low faults.
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Update to CXA 6_24_NOx submission.
"Revised Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update.
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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."
Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
Important Campaign Information Letter for SF675 - Revised Work Instructions.
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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.
Lighting
8 bulletinsRevised Field Service Campaign for Western Star Heated Headlight Parameters
Revised Field Service Campaign for Western Star Heated Headlight Parameters
Service Solution for 47X & 49X Dim Trailer Lighting
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
Brakes
7 bulletinsCX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)
CX Advocate for unwanted park brake warning (TSB-54-098-WST)
Technical Service Bulletin for Disabling the Park Brake Set / Door Open Warning
Revised Field Service Campaign for Braking System Parameter Update
Revised Field Service Campaign for Braking System Parameter Update.
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REVISION: MBT Specific Parameter part number and description in step 19.4 has been removed and Figure 17 has been updated.
Customer Advisory Letter for 6-Inch Slack Adjusters Causing the Brakes to Over-Adjust and Drag
Field Service Campaign for Braking System Parameter Update
Steering
7 bulletinsCX Advocate for Cummins X15 Power Steering Pump Plumbing
Technical Service Bulletin for Cummins X15 Power Steering Pump Plumbing
Warranty Information letter for Power Steering Tank Venting Diagnostic Procedures Revision
Parts Bulletin for Tie Rod Assembly Part Breakdown
Service Solution for ICC5 Erroneous Electric Power Steering Warning Message
Service Solution for Power Steering Reservoir Fill Cap Venting
Warranty Policy Letter for Steering Wheel Centering Policy Amendment
Suspension
4 bulletinsCX Advocate for X-Series HD Front Suspension Threaded
CX Advocate for Twin Steer Equalizer Beam Bushing Wear
CX Advocate for Twin Steer Equalizer Beam Bushing Wear
Service Solution for 47X/49X Front Suspension AluminumShackle Bars
Infotainment
4 bulletinsService Solution for ICC5 B-Panel Gauges Intermittently Not Being Displayed
Technical Service Bulletin for Wabco OnGuard Display Discrepancy
Technical Service Bulletin for Wabco OnGuard Display Discrepancy
Service Bulletin for Relocating the Bluetooth Microphone
HVAC & Climate
3 bulletinsTechnical Service Bulletin for HVAC Stops Cooling
Fleet Communications for Heater Core Plugging
Technical Service Bulletin for HVAC Stops Cooling
Tires & Wheels
2 bulletinsService Solution for ECP Solenoid Interim Service Replacement Parts
Service Solution for 49X and 47X Web Mounted 5th Wheel Ramps