2022 Western Star 49X technical service bulletins
256 technical service bulletins and manufacturer communications cover the 2022 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...
- Technical Service Bulletin for Wiper Supplier Change
- 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 Technical Service Bulletin for Removing Odometer Pause Wiring Modifications
- Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
- Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
- Truck Equipment Manufacturer Solution for RSS with PTO Engagement
- Revised Technical Service Bulletin for DT12 Range Detent Diagnostic
- 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 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 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 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
- 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
- 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
- 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 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 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
- 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 WST x-series unintended wiper sweep (TSB82-003-WST)
- Important Campaign Infomration letter for DDC D23M1
- 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
- CX Advocate for HDEP High Pressure Fuel Line Seal Failures
- Detroit Customer Service Annoucement for Gen 5 DD15 Cylinder Head Cup Plug Replacement
- 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
- Field Service Campaign for Common Telematics Platform (CTP) Installation and Initialization
- Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update
- Revised Emissions Recall: Cummins DEF Sensor Shortage
- Important Campaign Information letter for FL974
- Important Campaign Information letter for SF669 Campaign Suspended
- Service Solution for X Series Odometer Reading Incorrect With Split Shaft PTOs
- Emissions Recall: Cummins DEF Sensor Shortage
- Field Service Campaign for Adaptive Cruise Control
- Service Solution for 47X & 49X Headlamp Marker Light Strobing or Flickering
- Emission recall for Freightliner Cascadia and Western Star 49X Exhaust Support Bracket
- 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 Western Star Snow Plow Light Harness
- Service Bulletin for Relocating the Bluetooth Microphone
- Revised Field Service Campaign for Bendix SDP5 Software Update
- Service Solution for 49X and 47X Web Mounted 5th Wheel Ramps
- Important Campaign Infomration Letter for SF639
- Revised Service Bulletin for HVAC Software Updates
- Field Service Campaign for Freightliner Cascadia and Western Star 47X/49X Fan Controller
- Field Service Campaign for Bendix SDP5 Software Update
- Field Service Campaign for Western Star 49X Airliner Rear Suspension
- Field Service Campaign for Common Telematics Platform Software Update
- Field Service Cmpaign for Western Star 49X Radiator RockGuard & Fan Shroud.
- 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
- Updated Western Star Service Bulletin for Tire Pressure Monitoring System (TPMS) Water Intrusion
- Field Service Campaign for Integrated Predictive Powertrain Control ECU. Certain vehicles requesting...
- Field Service Campaign for Side Guard Assist
- My Communications for SF625 and SF657 Pre-Flashed USB Tools
- Service Solution for Low Power
- Field Service Campaign for Western Star 47X and 49X Maintenance System Update
- Customer Advisory Letter for ABS MBSP Controller Parameter Update for Enhanced Stability Control.
- Western Star Service Bulletin for Non-Functioning Heated Headlamps
- Western Star Service Bulletin for ABS mBSP ECU Software Update Fault Code 629-11. New Cascadia vehicles...
- 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 Tire Pressure Monitoring System (TPMS) Water Intrusion
- Western Star Service Bulletin for Meritor Rear Axle Temperature Parameters
- Service Solution for Primary Mirror Shaking and Vibration
- Field Service Campaign for Western Star 47X and 49X Front Closing Crossmember
- Service Solution for RDF Nuisance J1939 Fault SA 42 SPN 524287 FMI 31
- Field Service Campaign for Freightliner and Western Star CTP Software Update
- Western Star Service Bulletin for HVAC Software Updates
- Service Solution for 49X & 47X Non FunctioningHeated Headlamps
- Western Star Field Service Campaign for Western Star 49X VRDU Programming
- Western Star Field Service Campaign for Western Star 49X SRR Overwrite Sensor Mounting Data Update
- Service Solution for ShipShort Intelligent Powertrain Management (IPM). Due to electronic control supply...
- Service Solution for Power Steering Cap Contact withHood Strap
- Important Campaign Information Letter for DDC D21M1 Termination Date Extended
- Important Campaign Information Letter for DDC D21M7 Termination Date Extended
- Field Service Campaign for Western Star 47X and 49X SBA Front Suspension Shackle Bolts
- Field Service Campaign for Western Star 49X Front Crossmember
- Service Solution for 49X Hood Handle Mounting
- Important Campaign Information letter for SF622 â Addition of 8x4 Vehicles to Populationx
- Revised Field Service Campaign for Cascadia, 49X ABS MBSP+ Controller Software Update
- Important Campaign Information Letter for SF635 â Work Instructions Revised.
- Revised Western Star Field Service Campaign for Western Star 49X
- Notice for certain vehicles: Due to the way in which this vehicle was configured, the vehicle does not...
- Customer Advisory Letter for Western Star 49X Adaptive Cruise Control
- Western Star Service Bulletin for Battery Load Disconnect Switch Installation
- Transmission Cooler Line Plumbing Fitting
- Service Solution for Mirror Mounted Antenna Ground
- Service Solution for Aero Height Control Interfering with RDF Alignment
- Revised Detroit Technical Service Letter for Gen 5 Detroit DD16 Poor Acceleration Complaints In Western...
- Detroit Field Service Campaign for GHG21 Detroit DD16® CPC Software Reprogramming
- Field Service Campaign for Western Star 49X Transmission Cooler Plumbing
- ECP (Electronic Controlled Pneumatics) Ground Noise/False Codes
- Beacon Light Wiring Harness
- XMC Software Update
- Revised Technical Service Letter for GHG21 Detroit DD16 Poor Acceleration Complaints In Western Star 49X...
- Service Solution for XMC Output Reliability
- My Communication for Detroit Connect Over the Air Issue Update
- DetroitConnect follow-up customer communication for certain vehicles unable to complete over the air...
- Field Service Campaign for Western Star 49X Differential Lock
- Service Solution for Aux E-vault Rattle in Day Cab. Rattle noise inside of cab coming from the e-vault...
- Service Solution for Door Drain Plug & Water Pooling.
- Important Campaign Information Letter for SF622 â Campaign Revision/Reactivation
- Revised Field Service Campaign for Cascadia/49X ABS MBSP+ Controller Software Update
- Technical Service Letter for GHG21 Detroit DD16 Poor Acceleration Complaints In Western Star 49X Chassis...
- Portland Truck Plant Paint Update
- Service Solution for Transmission Cooler Line Plumbing Fitting
- Service Solution for Exterior Sun Visor Loose
- Service Solution for Cummins PTO functionality error software level 81Z-006
- Storage Console Shortage
- Western Star Tough Talk episode 3 now available.
- Western Star Service Bulletin for Replacing 104-Way Terminal Wiring Using a Pigtail Kit.
- Service Solution for Aero Height Control Interfering with RDF Alignment and 42/523004/13 and 232/524042/9...
- Continued Supply Shortages Impacting Battery Disconnect Components
- Field Service Campaign for Cascadia/49X ABS MBSP+ Controller Software Update
- Service Solution for fuel level sending unit loose.
- Western Star Service Bulletin for Key Fob ID Retention
- DetroitConnect customer communication for certain vehicles unable to complete over the air updates...
- Freightliner and Western Star Production Schedule Update Freightliner Cascadia & Western Star 4700, 49X...
VIN decoder
See the problems and recalls for an exact car
Buying a used 2022 Western Star 49X?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history