2025 Western Star 49X TSBs

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 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

CX Advocate for SF715 Stalk Switch Left and Right Inoperative

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...

Detroit Freightliner Action Bulletin for Detroit Connect Safety Plus

CX Advocate for HDEP Running Change

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...

My Communications for OnGuard Discontinuation on all Daimler Truck products

CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the...

CX Advocate for HDEP Running Change

CX Advocate for HDEP Running Change

CX Advocate for Wabco Onguard (TSB54-364-FTL, TSB54-094-WST)

CX Advocate for HDEP Running Change

CX Advocate for benefits of Autoelevate and hydrocarbon faults

CX Advocate communication for oil lines disconnecting

CX Advocate communication for NOx conversion low faults

My Communications for Diagnosticlink ICUC Programming Error

Customer letter regarding variable speed water pump.

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 X-Series Western Star Vehicles, SSL and SSR Non-Functional

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

Important Campaign Information letter for (Revised) Loves Travel Stops Authorized Campaign Program

Field Service campaign for stalk switches

Field Service campaign for stalk switches

Field Service campaign for stalk switches

Important Campaign Information letter for F1015 Campaign Revised

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

Service Solution for X-Series Western Star Vehicles, SSL and SSR Non-Functional

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 Second Revised Bulletin

Revised Important Campaign Information letter for SF698 - Revised Bulletin.

Technical Service Bulletin for New Final Drive Over Heat Diagnostic

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

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 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,...

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.

Revised Field Service Campaign for Western Star Heated Headlight Parameters.

Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller

Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller

Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals

Revised Emissions Recall for VECI Label Emissions Recall

Revised Emissions Recall for VECI Label Emissions Recall

Emissions Recall for VECI Label Emissions Recall

Emissions Recall for VECI Label Emissions Recall

Emissions Recall for VECI Label Emissions Recall

Emission recall for Western Star DEF Header

Emission recall for Western Star DEF Header

Emission recall for Western Star DEF Header

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)

CX Advocate for Cummins X15 Fuel Pump Cracks (F1010)

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 WST Trucks built with wrong exhaust elbow (SF702)

CX Advocate for HDEP High Pressure Fuel Line Seal Failures

Field Service Campaign for Chrome Exhaust Elbows

Field Service Campaign for Chrome Exhaust Elbows

Detroit Emissions Recall Campaign for DD13 CARB 24 ACM Software Reprogramming

Detroit Emissions Recall Campaign for DD13 CARB 24 ACM Software Reprogramming

Field Service Campaign for Chrome Exhaust Elbows

Detroit Emissions Recall Campaign for DD13 CARB 24 ACM Software Reprogramming

Fuel Injector Cleaner Updated Procedure

Fuel Injection Cleaning Machine Priming Procedures

Draft Fuel Injection Cleaning Machine (FICM) Setup Instructions

Revised 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

CX Advocate for DT12 Delayed Acceleration TCM Parameter Issue

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...

Revised Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality.

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

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

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

CX Advocate for Transmission Cooler Line Rub with Recirc Baffle (SF718)

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

Service Solution for X-Series With DT12 Transmission Sluggish Throttle Response or Delayed Shift

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

CX 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

My communications for DTNA Announces Extended Coverage Policy Updates

My Communications for Detroit Assurance Adaptive Cruise Control for Cummins Update

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.

Updated Detroit Ferightliner Action Bulletin for Detroit Connect Safety Plus

CX Advocate for NOx conversion low faults.

My Communications for ICUC Programming Update

CX 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

Revised Field Service Campaign for Western Star Heated Headlight Parameters.

Revised 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

Field Service Campaign for Western Star Heated Headlight Parameters

CX 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

Technical Service Bulletin for HVAC Stops Cooling

Fleet Communications for Heater Core Plugging

Technical Service Bulletin for HVAC Stops Cooling

CX 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

Service 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

My Communications for DTNA Tire Communication Update - 2024

Service Solution for ECP Solenoid Interim Service Replacement Parts