2021 Western Star 47X technical service bulletins
81 technical service bulletins and manufacturer communications cover the 2021 Western Star 47X.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- CX Advocate for X-Series HD Front Suspension Threaded
- Revised Technical Service Bulletin for DT12 OVX Transmission Refresh
- Fleet Communications for Heater Core Plugging
- Revised Service Solution for Western Star vehicles with excessive water intrusion into the air system
- CX Advocate for Questions/Issues Raised
- Technical Service Bulletin for Fixing Unintended Wiper Sweep
- CX Advocate for ConMet Oil Pan Insert Additional Issues
- CX Advocate for technical questions/issues raised
- My Communications for UFI 0-Ring Announcement
- 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
- 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 Western Star vehicles with excessive water intrusion into the air system
- 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
- Service Solution for 47X/49X Dual Power Steering Gear Orifice Fittings
- Technical Service Bulletin for DT12 Excessive Wear
- Technical Service Bulletin for DT12 OVX Transmission Refresh
- Technical Service Bulletin for SAS01T to SAS03T Replacement Information
- 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.
- Service Solution for 47X PTO Mode Delay for Split Shaft PTO
- Service Solution for X-Series intermittent no-start and CPC not configured message
- 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 WST x-series unintended wiper sweep (TSB82-003-WST)
- 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
- Revised Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather...
- 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
- 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 clutch bolts
- Revised Field Service Campaign for Western Star Heated Headlight Parameters
- Revised Important Campaign Information letter for SF698
- Technical Service Bulletin for New Final Drive Over Heat Diagnostic
- Field Service Campaign for Western Star Heated Headlight Parameters
- Customer letter regarding variable speed water pump.
- Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
- Important Campaign Information letter for SF669 Campaign Suspended
- Field Service Campaign for Adaptive Cruise Control
- Service Solution for 47X & 49X Headlamp Marker Light Strobing or Flickering
- Service Solution for 49X and 47X Web Mounted 5th Wheel Ramps
- Revised Service Bulletin for HVAC Software Updates
- Field Service Campaign for Common Telematics Platform Software Update
- Updated Western Star Service Bulletin for Tire Pressure Monitoring System (TPMS) Water Intrusion
- 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 ABS mBSP ECU Software Update Fault Code 629-11. New Cascadia vehicles...
- Western Star Service Bulletin for Tire Pressure Monitoring System (TPMS) Water Intrusion
- Field Service Campaign for Western Star 47X and 49X Front Closing Crossmember
- Western Star Service Bulletin for HVAC Software Updates
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