FleetCom 1_Hadley SV Susp
Other
Fleet Communications for Hadley Smart Valve - Raising Suspension
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
FleetCom 1_Hadley SV Susp
Fleet Communications for Hadley Smart Valve - Raising Suspension
CXA 06_26_Hood
CX Advocate for Hood Cracks
CXA 03_26_Surge Tank
CX Advocate for discolored coolant surge tanks (24CSA-20)
FleetCom_Hadley SV Susp
Fleet Communications for for Hadley Smart Valve Unintended Raised Rear Suspension
CXA_01_26_Hadley SV Susp
CX Advocate for Hadley Smart Valve Unintended Raised Rear Suspension
CXA_01_26_Trans Support
CX Advocate for Aftermarket Transmission Support
FleetCom_TCM Clutch
Fleet Communications for TCM Fault 520970/7 – Clutch Unable to Open Fully
SS 781-WST
Revised Service Solution for Western Star vehicles with excessive water intrusion into the air system
CXA 11_25_AMTcc DTC
CX Advocate for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
FleetCom_Clutch
Fleet Communications for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
FleetCom_Low Coolant
Fleet Communications for Low Coolant Sensor
TSB-32-020-WST
Technical Service Bulletin for TufTrac M12 Bolts
CXA 10_25_Air Dryer Purge
CX Advocate for Experiencing Excessive Purging from Air Dryer
CXA 10_25_Discolored Cool
CX Advocate for Plastic Opaque Surge Tank Staining
CXA 10_25_Front Shock
CX Advocate for 18k Front Suspension Shock Absorbers
CXA_10_25_Conmet Oil Pan
CX Advocate for ConMet Oil Pan Insert Additional Issues
CXA_10_25_J1939 Comm
CX advocate for WST X-Series J1939 Communication Errors with Cummins Engines
CXA_10_25_Low Coolant
CX Advocate for P4, WST X-Series, DD Engines Low/Critical Low Coolant Warnings
CXA_10_25_Tech Questions
CX Advocate for technical questions/issues raised
ICI23-018R5
Important Campaign Information letter for (Revised) Love’s Travel Stops Authorized Campaign Program
SF721-Bulletin
Field Service Campaign for SF721 18k Front Suspension Shock Absorbers
SF721-DLR LTR
Field Service Campaign for SF721 18k Front Suspension Shock Absorbers
SF721-OWN LTR
Field Service Campaign for SF721 18k Front Suspension Shock Absorbers
CXA_9_25_Tech Questions
CX Advocate for technical questions/issues raised
WI25-014
Warranty Information letter for Power Steering Tank Venting Diagnostic Procedures Revision
MYCOM_09092025-1
My communications for DTNA Announces Extended Coverage Policy Updates
TSB-26-001-DDC
Technical Service Bulletin for DT12 Range Detent Diagnostic
CXA_8_25_Tech Questions
CX Advocate for technical questions/issues raised
24CSA-19Rev
Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks
TSB83-032-WST
Technical Service Bulletin for HVAC Stops Cooling
CXA 7_25_Mirror DTC
CX Advocate for Nuisance Mirror Adjustment DTC (SS785-WST)
SS785-WST
Service Solution for Nuisance Mirror Adjustment DTC
PB33-005-WST
Parts Bulletin for Tie Rod Assembly Part Breakdown
SS783-WST
Service Solution for Progressive Low Voltage Disconnect Parameter Update
FAB342
Features and Benefits for Detroit Connect Base Service Renewal
FAB343
Features and Benefits for Detroit Connect UpfrontService Extension
SS784-WST
Service Solution for ICC5 Erroneous Electric Power Steering Warning Message
CXA 3_25_NOx
CX Advocate for NOx conversion low faults
CXA 3_25_SAS01T to SAS03T
CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
CXA 3_25_Wheel Seals
CX Advocate for wheel seals
SS782-WST
Service Solution for ICC5 B-Panel Gauges Intermittently Not Being Displayed
CXA 2_25_DA Fault Code
CX Advocate for M2 Plus, 47X, 49X Fault Code 232/524000/19- ECU CPC data error
CXA 2_25_NOx
CX Advocate for NOx conversion low faults
CXA 2_25_Turbo Oil Drain
CX Advocate for turbo oil drain cracking
SS780-WST
Service Solution for Tire Pressure Monitoring System (TPMS) Water Intrusion Through Perimeter Seal
SS762-WST
Revised Service Solution for X-Series Western Star Fault Code 232/524000/19- ECU CPC data error
MYCOM_02102025-1
My Communications for Variable Speed Coolant Pump for DD13 Engines - Cascadia/57X Only
TSB01-001-DDC
Technical Service Bulletin for GHG17 and Newer DD Platform Heavy Duty Oil Pan Drain Plug Inserts
TSB01-002-DDC
Technical Service Bulletin for Gen 5 DD13 Turbocharger Oil Return Line Cracks
TSB54-097-WST
Technical Service Bulletin for SAS01T to SAS03T Replacement Information
D24M5-Bulletin
Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.
D24M5-DLR LTR
Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.
D24M5-OWN LTR
Detroit Field Service campaign for 2024 HDEP ACM Software Reprogramming.
TSB91-004-WST
Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
SF705-Bulletin
Revised Field Service Campaign for Espar Fuel Standpipe Weld
SF705-DLR LTR
Revised Field Service Campaign for Espar Fuel Standpipe Weld
CXA 1_16_CARB Truck Chec
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
CXA 1_16_DD13 Altitude
CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
CXA 1_16_Espar Fuel
CX Advocate for Espar Fuel Standpipe Weld (SF705)
CXA 1_16_GATS2.4
CX Advocate for GATS2.4 being expanding to DD15
CXA 1_16_NOx
CX Advocate for NOx conversion low faults
CXA 1_16_Turbo Oil Drain
CX Advocate for turbo oil drain cracking
SS776-WST
Service Solution for X-Series intermittent no-start and CPC not configured message
SS778-WST
Service Solution for Power Steering Reservoir Fill Cap Venting
SF705-OWN LTR
Field Service Campaign for Espar Fuel Standpipe Weld
ICI24-049
Important Campaign Information letter for SF698 – Third Revised Bulletin
SF698-Bulletin
Revised Field Service Campaign for Western Star Heated Headlight Parameters
SF698-DLR LTR
Revised Field Service Campaign for Western Star Heated Headlight Parameters
FAB339
FAB 339 for Western Star 57X RP1226 - Progressive Low Voltage Disconnect (PLVD)
CXA 11_21_CARB Truck Chec
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
CXA 11_21_Discolored Cool
CX Advocate for discolored coolant surge tank
SS768-WST
Service Solution for 47X, 49X, 57X Park brake check valve may be improperly plumbed causing brakes to drag
SS772-WST
Service Solution for X-series Bodybuilder Marker Lights Turn Off While Truck Lights Remain On
SS773-WST
Service Solution for Optimized Idle icon missing on instrument cluster
WI24-019
Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
CXA 10_17_Reman Process
CX Advocate for overview of the remanufacturing process.
CXA_10_17_CARB Truck Chec
CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
CXA_10_17_CSA letters
CX Advocate for the following CSA: (24CSA-17,24CSA-19,24CSA-20) Gen 5 DD13 Turbocharger Oil Return Line Cracks, Heavy-Duty Engine Product (HDEP) Oil Separator Leaks, Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
24CSA-19
Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
24CSA-20
Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
SS1023366-Detroit
Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
WP24-017
Warranty Policy Letter for Steering Wheel Centering Policy Amendment
24CSA-17
Detroit Customer Service Annoucement for Gen 5 DD13 Turbocharger Oil Return Line Cracks
CXA 9_24_HDEP HPFL Seal
CX Advocate for HDEP High Pressure Fuel Line Seal Failures
24CSA-16
Detroit Customer Service Annoucement for Gen 5 DD15 Cylinder Head Cup Plug Replacement
CXA 8_24_AutoElevate Disa
CX Advocate for AutoElevate Disablement Gen5 Engines
CXA 8_24_AutoElevate and
CX Advocate for benefits of Autoelevate and hydrocarbon faults
CXA 8_24_BCA CLDS TSB
CX Advocate for Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality (TSB54-369-FTL, TSB54-095-WST)
CXA 8_24_Conmet Oil Pan
CX Advocate for ConMet Oil Pan Insert Additional Failures
ICI24-031
Important Campaign Information letter for DDC D23M3 - Campaign Reactivated and Extended. Field Service Campaign D23M3 - GHG17 DETROITTM DD16® Vibration Damper Replacement has been extended for an additional 6 months.
TSB54-095-WST
Revised Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality. Description of Revisions: This bulletin replaces the version dated 07/30/2024. Make has been updated in the described condition.
FICM Cleaning
Cleaning Gen5 Engine Fuel Injectors
FICM Email
Fuel Injector Cleaner Updated Procedure
FICM Priming
Fuel Injection Cleaning Machine Priming Procedures
FICM Setup
Draft Fuel Injection Cleaning Machine (FICM) Setup Instructions
ICI24-030
Important Campaign Information Letter for SF698 – Second Revised Bulletin
SF698REV2-Bulletin
Revised Field Service Campaign for Western Star Heated Headlight Parameters. SECOND REVISION: The parameter set was updated to address a potential conflict that affected engine speed control functionality.
SF698REV2-DLR LTR
Revised Field Service Campaign for Western Star Heated Headlight Parameters. SECOND REVISION: The parameter set was updated to address a potential conflict that affected engine speed control functionality.
MYCOM_07192024-2
My Communications for New Espar HS3 Heater and Extreme Insulation
CXA 7_24_AutoElevate Disa
CX Advocate for AutoElevate Disablement Gen5 Engines
CXA 7_24_Conmet Oil Pan
CX Advocate for ConMet Oil Pan Insert Additional Failures
CXA 7_24_Hadley Smart Val
CX Advocate for Hadley Smart Valve (HSV) SF700
CXA 7_24_NOx
CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
CXA 7_24_Reman Process
CX Advocate for overview of the remanufacturing process.
CXA 7_24_Reman Process V2
CX Advocate for overview of the remanufacturing process.
SF700-Bulletin
Field Service Campaign for Hadley (Link) Smart Valve
SF700-DLR LTR
Field Service Campaign for Hadley (Link) Smart Valve
SF700-OWN LTR
Field Service Campaign for Hadley (Link) Smart Valve
CXA 06_24_Clutch Bolts
CX Advocate communication for clutch bolts
CXA 06_24_MCM Fault
CX Advocate communication for MCM fault integrated NOx flow rate low
CXA 06_24_NOx
CX Advocate communication for NOx conversion low faults
SF698-REV-Bulletin
Revised Field Service Campaign for Western Star Heated Headlight Parameters. REVISION: Clarifying statements and a figure were added to the work instructions between steps 8 and 9 regarding “grayed out” XMC parameters.
SF698-REV-DLR LTR
Revised Field Service Campaign for Western Star Heated Headlight Parameters. REVISION: Clarifying statements and a figure were added to the work instructions between steps 8 and 9 regarding “grayed out” XMC parameters.
ICI24-024
Revised Important Campaign Information letter for SF698 - Revised Bulletin. REVISION: Clarifying statements and a figure were added to the work instructions between steps 8 and 9 regarding “grayed out” XMC parameters.
TSB30-001-WST
Revised Technical Service Bulletin for Off-Road/Low Traction Throttle Parameter Update. Description of Revisions: This bulletin replaces the version dated 02/22/2024. The service bulletin number has been added in the title and the warranty statement is modified.
MYCOM_05302024-2
My Communications for Rescindment of Recall FL999 Alcoa Steer Wheel Inner Flange
TSB35-023-WST
Technical Service Bulletin for New Final Drive Over Heat Diagnostic
SF672 POSTCARD LARGE
Field Service Campaign Owner Reminder Postcard large population
SF672 POSTCARD SMALL
Field Service Campaign Owner Reminder Postcard small population
SF698-OWN LTR
Field Service Campaign for Western Star Heated Headlight Parameters
VSWP Customer Letter
Customer letter regarding variable speed water pump.
SS3144-FTL
Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
CALFTLWS20-005
Customer Advisory Letter for ESOC Corporation is not Able to Fulfill Orders
SBW60-028
Service Bulletin for Relocating the Bluetooth Microphone
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.