2026 Western Star 49X TSBs

Revised 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

Standard Warranty Extension for vehicles with TitanX Radiators

Technical Service Bulletin for DT12 Excessive Wear

Important Campaign Information for F1011 & F1015 Campaigns Revised

Service Solution for M2 Plus, 108,114SD Plus and New Cascadia Vehicles, SSL and SSR Non-Functional

Service Solution for DT12 Oil Plug Ports

Features and Benefits for Detroit Connect UpfrontService Extension

Features and Benefits for Detroit Connect Base Service Renewal

CX Advocate for Lost/Damaged Replacement F1011/F1015 Labels

Truck Equipment Manufacturer Solution for PTO Mode Delay for Driving PTO

Truck Equipment Manufacturer Solution for Detroit Assurance Parameters for an Obstructed Multi-Purpose Camera View

Truck Equipment Manufacturer Solution for RSS with PTO Engagement

Fleet Communications for Torque Quality

CX Advocate for Questions/Issues Raised

CX Advocate for Driveline and mid-ship bearing vibration

CX Advocate for Wire/Airing Routing and Clipping

CX Advocate for Torque Quality

CX Advocate for technical questions/issues raised

CX Advocate for technical questions/issues raised

Detroit Transmissions Manual Update for Symptom Diagnostics DT12 C/D Box Range Shift to Neutral with Reversing Events...

CX Advocate for Transmission Oil Cooler Lines Rubbing

CX Advocate for Transmission Oil Cooler Lines Rubbing APU Coolant Lines

Technical Service Bulletin for Transmission shift stalk

CX Advocate for Aftermarket Transmission Support

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

Field Service Campaign for Transmission Oil Cooler Line Clearance

Field Service Campaign for Transmission Oil Cooler Line Clearance

Field Service Campaign for Transmission Oil Cooler Line Clearance

Revised Technical Service Bulletin for Removing Odometer Pause Wiring Modifications

Technical Service Bulletin for ESC warning lamp and ECU replacement

Fleet Communications for ECP (Electronic Control Pneumatic) Module Water Ingress

Technical Service Bulletin 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

Fleet Communications for eAxle Breather Hose Relocation to Reduce Water Intrusion Risk

CX Advocate for Hood Cracks

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

Warranty Extension for Frame Rail Paint Standard Warranty Policy Extension

Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and...

CX advocate for WST X-Series J1939 Communication Errors with Cummins Engines

Service Solution for ECP Solenoid Valve Interim Replacement Parts

CX Advocate for Twin Steer Equalizer Beam Bushing Wear

CX Advocate for Twin Steer Equalizer Beam Bushing Wear

CX Advocate for TufTrac Gen2 Suspension Field Issues

Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals

Revised Emissions Recall for VECI Label Emissions Recall

Revised Emissions Recall for VECI Label Emissions Recall

CX Advocate for Cummins X15 Power Steering Pump Plumbing

Parts Bulletin for Tie Rod Assembly Part Breakdown

Service Solution for ICC5 Erroneous Electric Power Steering Warning Message

Fleet Communications for HVAC Eco Mode - SoP Disabled Jan 2026

Fleet Communications for Heater Core Plugging

Truck Equipment Manufacturer Solution for Odometer Pause & PTO Mode Delay with Customer Installed SSPTO & Controls

CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)

My Communications for ACCURIDE INTRODUCES THE 50300 22.5" X 9" STEEL WHEEL