2023 Western Star 49X technical service bulletins
220 technical service bulletins and manufacturer communications cover the 2023 Western Star 49X, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair...
- Customer Advisory Letter for Torque Converter Parameter Mismatch
- CX Advocate for Cummins Axiomatic fan Control Module Fails Due to Internal Short
- CX Advocate for J1939 Codes with Cummins Engine (TSB-54-102-WST)
- CX Advocate for Surge Tank Level Sensor Float Sinking
- Technical Service Bulletin for Door Sill Plate Bracket Repair
- Technical Service Bulletin for Wiper Supplier Change
- Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison...
- Technical Service Bulletin for HVAC Stops Cooling
- Detroit Transmissions Manual Update for Symptom Diagnostics — DT12 C/D Box Range Shift to Neutral with...
- CX Advocate for Twin Steer Equalizer Beam Bushing Wear
- CX Advocate for X-Series HD Front Suspension Threaded
- Revised Warranty Information letter for missing chamber caging bolts
- Truck Equipment Manufacturer Solution for PTO Mode Delay for Driving PTO
- Revised Technical Service Bulletin for Removing Odometer Pause Wiring Modifications
- Warranty Information letter for missing chamber caging bolts
- CX Advocate for Hood Cracks
- Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
- Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
- Warranty Information letter for Reman Parts Usage Policy Reminder
- Truck Equipment Manufacturer Solution for RSS with PTO Engagement
- Revised Technical Service Bulletin for DT12 Range Detent Diagnostic
- My Communications for ConMet Quality Alert -- ABP 10045888 -- Seal Service Kit
- Parts Bulletin for Bumper and Rock Guard Part Numbers
- CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)
- CX Advocate for discolored coolant surge tanks (24CSA-20)
- Technical Service Bulletin for ESC warning lamp and ECU replacement
- Technical Service Bulletin for DT12 Excessive Wear
- CX Advocate for Aftermarket Transmission Support
- Technical Service Bulletin for Transmission shift stalk
- Fleet Communications for Intermittent Connections and ECU Fault Codes
- Fleet Communications for TCM Fault 520970/7 – Clutch Unable to Open Fully
- Fleet Communications for ECP (Electronic Control Pneumatic) Module Water Ingress
- Fleet Communications for Corrosion Protecton/Glyptal Application
- Fleet Communications for Heater Core Plugging
- Revised Service Solution for Western Star vehicles with excessive water intrusion into the air system
- Technical Service Bulletin Low Coolant Sensor
- CX Advocate for New AMTcc
- CX Advocate for ECP (Electronic Control Pneumatic) Modules, possible water ingress
- CX Advocate for Intermittent Connections and ECU Fault Codes
- CX Advocate for Questions/Issues Raised
- Fleet Communications for New AMTcc
- Fleet Communications for Low Coolant Sensor
- Technical Service Bulletin for Fixing Unintended Wiper Sweep
- Technical Service Bulletin for TufTrac M12 Bolts
- CX Advocate for ConMet Oil Pan Insert Additional Issues
- CX Advocate for Cummins X15 Power Steering Pump Plumbing
- CX advocate for WST X-Series J1939 Communication Errors with Cummins Engines
- CX Advocate for P4, WST X-Series, DD Engines Low/Critical Low Coolant Warnings
- CX Advocate for Removing Odometer Pause Wiring Modifications (TSB-54-375-FTL, TSB-54-100-WST)
- CX Advocate for technical questions/issues raised
- CX Advocate for Plastic Opaque Surge Tank Staining
- Technical Service Bulletin for Cummins X15 Power Steering Pump Plumbing
- Warranty Information letter for Power Steering Tank Venting Diagnostic Procedures Revision
- My communications for DTNA Announces Extended Coverage Policy Updates
- My Communications for UFI 0-Ring Announcement
- Technical Service Bulletin for DT12 Range Detent Diagnostic
- CX Advocate for DT12
- Technical Service Bulletin for Removing Odometer Pause Wiring Modifications
- Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks
- Technical Service Bulletin for Hood Headlight Wiring Too Short
- Parts Bulletin for Tie Rod Assembly Part Breakdown
- CX Advocate for Headlight wiring (TSB54-099-WST)
- Service Solution for ECP Solenoid Valve Interim Replacement Parts
- Service Solution for DT12 Oil Plug Ports
- Features and Benefits for Detroit Connect Base Service Renewal
- Features and Benefits for Detroit Connect UpfrontService Extension
- CX Advocate for DPF Outlet Temp High Gen5 DD15 ENGINES
- Service Solution for ICC5 Erroneous Electric Power Steering Warning Message
- CX Advocate for ICC5 nuisance fault code (TSB54-096-WST, TSB54-372-FTL)
- CX Advocate for NOx conversion low faults
- CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
- Service Solution for ICC5 B-Panel Gauges Intermittently Not Being Displayed
- 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
- CX Advocate for M2 Plus, 47X, 49X Fault Code 232/524000/19- ECU CPC data error
- CX Advocate for turbo oil drain cracking
- Revised Service Solution for X-Series Western Star Fault Code 232/524000/19- ECU CPC data error
- Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
- Service Solution for 47X/49X Dual Power Steering Gear Orifice Fittings
- Technical Service Bulletin for Gen 5 DD13 Turbocharger Oil Return Line Cracks
- Technical Service Bulletin for DT12 OVX Transmission Refresh
- Technical Service Bulletin for Connect 5 Instrument Cluster (ICC5) Nuisance Fault Code
- Technical Service Bulletin for SAS01T to SAS03T Replacement Information
- Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
- CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test...
- CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
- CX Advocate for GATS2.4 being expanding to DD15
- CX Advocate for unwanted park brake warning (TSB-54-098-WST)
- Service Solution for X-Series intermittent no-start and CPC not configured message
- Service Solution for Power Steering Reservoir Fill Cap Venting
- Service Solution for 47X/49X Front Suspension AluminumShackle Bars
- Important Campaign Information letter for SF698 – Third Revised Bulletin
- Revised Field Service Campaign for Western Star Heated Headlight Parameters
- Emission Recall for DETROIT DD13 and DD16 ACM Software Reprogramming
- CX Advocate for discolored coolant surge tank
- Service Solution for 47X, 49X, 57X Park brake check valve may be improperly plumbed causing brakes to drag
- Service Solution for X-series Bodybuilder Marker Lights Turn Off While Truck Lights Remain On
- Technical Service Bulletin for Disabling the ‘Park Brake Set / Door Open’ Warning
- Service Solution for 49X & 47X with Cummins Engines and eViscous Engine Fan with Communication Issues
- CX Advocate for the following CSA: (24CSA-17,24CSA-19,24CSA-20) Gen 5 DD13 Turbocharger Oil Return Line...
- CX Advocate for WST x-series unintended wiper sweep (TSB82-003-WST)
- Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
- Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
- Service Solution for X Series Odometer Reading Incorrect With Split Shaft PTO's
- Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- Detroit Customer Service Annoucement for Gen 5 DD13 Turbocharger Oil Return Line Cracks
- CX Advocate for HDEP High Pressure Fuel Line Seal Failures
- Detroit Customer Service Annoucement for Gen 5 DD15 Cylinder Head Cup Plug Replacement
- Service Solution for 47X & 49X Dim Trailer Lighting
- Important Campaign Information letter for DDC D23M3
- CX Advocate for benefits of Autoelevate and hydrocarbon faults
- CX Advocate for AutoElevate Disablement Gen5 Engines
- CX Advocate for Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold...
- CX Advocate for ConMet Oil Pan Insert Additional Failures
- CX Advocate for CTP2 Shortage Recovery – Cummins Only (SF685)
- Revised Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather...
- Field Service Campaign for Common Telematics Platform Cummins Engine
- Draft Fuel Injection Cleaning Machine (FICM) Setup Instructions
- Fuel Injection Cleaning Machine Priming Procedures
- Cleaning Gen5 Engine Fuel Injectors
- Fuel Injector Cleaner Updated Procedure
- Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality
- Important Campaign Information Letter for SF698 – Second Revised Bulletin
- Revised Field Service Campaign for Western Star Heated Headlight Parameters
- Service Solution for ECP Solenoid Interim Service Replacement Parts
- CX Advocate for NOx conversion low faults
- Customer Advisory Letter for Battery Cable Depopulation Stud Inspection, with or without Jumpstart Post
- CX Advocate communication for NOx conversion low faults
- CX Advocate communication for oil lines disconnecting
- CX Advocate communication for clutch bolts
- Revised Field Service Campaign for Western Star Heated Headlight Parameters
- Revised Important Campaign Information letter for SF698
- Revised Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
- Technical Service Bulletin for New Final Drive Over Heat Diagnostic
- Field Service Campaign for Western Star Heated Headlight Parameters
- Field Service Campaign Owner Reminder Postcard small population
- Field Service Campaign Owner Reminder Postcard large population
- Customer letter regarding variable speed water pump.
- Field Service Campaign for Drilled Exhaust Rocker Arm Installation
- Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
- Important Campaign Information letter for SF676
- Revised Field Service Campaign for Braking System Parameter Update
- Important Campaign Information letter for SF676
- Revised Field Service Campaign for Braking System Parameter Update
- Field Service Campaign for Common Telematics Platform (CTP) Installation and Initialization
- Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
- Service Solution for X Series Odometer Reading Incorrect With Split Shaft PTOs
- Important Campaign Information Letter for SF665
- Field Service Campaign for Common Telematics Platform
- Important Campaign Information Letter for SF675
- Revised Field Service Campaign for Western Star Snow Plow Light Harness
- Revised Field Service Campaign for Common Telematics Platform Software Update
- Important Campaign Information Letter for SF665
- Field Service Campaign for Front Wall Huck Bolt Fasteners
- Field Service Campaign for Western Star Snow Plow Light Harness
- Customer Advisory Letter for 6-Inch Slack Adjusters Causing the Brakes to Over-Adjust and Drag
- Service Bulletin for Relocating the Bluetooth Microphone
- Service Solution for 49X and 47X Web Mounted 5th Wheel Ramps
- Field Service Campaign for Braking System Parameter Update
- Field Service Campaign for Auxiliary Heater
- Field Service Campaign for Common Telematics Platform Software Update
- Revised Freightliner and Western Star Field Service Campaign for Freightliner and Western Star Trucks with...
- Western Star Service Bulletin for Resetting the Maintenance System for DT12 Oil Changes
- Revised Field Service Campaign for Freightliner & Western Star Trucks with Cummins Engines
- Field Service Campaign for Integrated Predictive Powertrain Control ECU. Resubmitting to fix a table...
- Revised Field Service Campaign for Integrated Predictive Powertrain Control ECU. REVISION: The bulletin...
- Important Campaign Information Letter for SF658 Revised Bulletin, Intelligent Powertrain Management ECU
- Revised Field Service Campaign for Integrated Predictive Powertrain Control ECU
- Field Service Campaign for Western Star Front Radar Mounting Bracket
- Field Service Campaign for Freightliner and Western Star Trucks w Cummins Engines
- Field Service Campaign for Integrated Predictive Powertrain Control ECU. Certain vehicles requesting...
- My Communications for SF625 and SF657 Pre-Flashed USB Tools
- Field Service Campaign for Western Star 47X and 49X Maintenance System Update
- Western Star Service Bulletin for Non-Functioning Heated Headlamps
- Service Solution for Calendar Year 2022 Espar D2 and D4 Heater Shortages
- Important Campaign Information Letter for SF657 â Revised Bulletin
- Revised Freightliner and Western Star CTP Software Update REVISION: New tools are required
- Western Star Service Bulletin for Resetting the Maintenance System for DT12 Oil Changes
- Western Star Service Bulletin for CPC5 Internal Fuses
- Western Star Service Bulletin for Meritor Rear Axle Temperature Parameters
- Service Solution for Primary Mirror Shaking and Vibration
- Service Solution for New CPC5 Functionality Differences
- My Communications for Continued Espar Heater Shortages
- Field Service Campaign for Freightliner and Western Star CTP Software Update
- Service Solution for 49X & 47X Non FunctioningHeated Headlamps
- Service Solution for Power Steering Cap Contact withHood Strap
VIN decoder
See the problems and recalls for an exact car
Buying a used 2023 Western Star 49X?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history