Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 526 bulletins for WESTERN STAR
SBW60-029
Apr 19, 2023
160000 STRUCTURE
Western Star Service Bulletin for Installing Rain Gutters for Upper Door Seal Leaks
SBW31-018
Apr 19, 2023
160000 STRUCTURE
Western Star Service Bulletin for Concrete and Refuse Mid-Ship Five Piece Crossmember. Cracked mid-ship crossmembers have been found on some 4700 vehicles with mixer bodies. The crossmembers are located in the rear of the frame rail mixer p
SBW54-093
Apr 11, 2023
350000 EQUIPMENT
Freightliner Service Bulletin for ICU4Me Display Goes Blank After Flashing.
MYCOM_03302023-1
Mar 30, 2023
100000 POWER TRAIN
My Communications for Paver Mode Now Available for DT12 Transmissions
SS713-WST2023
Mar 27, 2023
060000 ENGINE AND ENGINE COOLING
Service Solution for Modine Radiator Gasket for WST 4900
MYCOM_03272023-1
Mar 27, 2023
100000 POWER TRAIN
My Communications for Eaton Clutch Discontinuation - WST198
SS737-WST2023
Mar 27, 2023
110000 ELECTRICAL SYSTEM
Service Solution for No Electrical Power From Battery Cable Access Module In Cold Temperatures
SF654
Dec 22, 2022
260000 FORWARD COLLISION AVOIDANCE
Field Service Campaign for Western Star Front Radar Mounting Bracket
SS732-WST2022
Oct 31, 2022
180000 VEHICLE SPEED CONTROL
Service Solution for Low Power Complaint. When additional floor heat insulation is ordered, the throttle pedal in some cases (when the throttle is fully depressed) may not reach 100% (full throttle). This can also occur if aftermarket floor
SF659
Oct 20, 2022
100000 POWER TRAIN
Field Service Campaign for Western Star 47X and 49X Maintenance System Update. On certain vehicles, the maximum driving distance parameter that prompts notification to change the transmission oil is set incorrectly. The parameter is set to
CALWST54-005
Oct 19, 2022
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
Customer Advisory Letter for ABS MBSP Controller Parameter Update for Enhanced Stability Control.
SS731-WST2022
Sep 28, 2022
350000 EQUIPMENT
Service Solution for Calendar Year 2022 Espar D2 and D4 Heater Shortages. Eberspacher has experienced ongoing shortages of the microprocessor that is used in the controller board for many different Espar heaters, including the D2 and D4 Air
SBW54-090
Sep 28, 2022
110000 ELECTRICAL SYSTEM
Western Star Service Bulletin for ABS mBSP ECU Software Update Fault Code 629-11. New Cascadia vehicles manufactured from September 12, 2018 through March 22, 2021 that are equipped with WABCO Anti-Lock Braking System (ABS) controllers log
SBW54-088
Sep 28, 2022
120000 EXTERIOR LIGHTING
Western Star Service Bulletin for Non-Functioning Heated Headlamps. This service bulletin describes how to resolve non-functioning headlamps on 47X and 49X vehicles. Symptoms of this issue may only appear while operating in cold weather con
SBW54-087
Sep 12, 2022
100000 POWER TRAIN
Western Star Service Bulletin for Resetting the Maintenance System for DT12 Oil Changes
SBW54-089
Aug 17, 2022
200000 WHEELS
Updated Western Star Service Bulletin for Tire Pressure Monitoring System (TPMS) Water Intrusion. This bulletin replaces the version dated 08/17/2022. Information about the protective boot has been updated.
SBW54-084
Jul 29, 2022
110000 ELECTRICAL SYSTEM
Western Star Service Bulletin for CPC5 Internal Fuses
SBW54-086
Jul 29, 2022
100000 POWER TRAIN
Western Star Service Bulletin for Meritor Rear Axle Temperature Parameters
SS714-WST2022
Jul 28, 2022
130000 VISIBILITY
Service Solution for Primary Mirror Shaking and Vibration
SS730-WST2022
Jul 28, 2022
110000 ELECTRICAL SYSTEM
Service Solution for New CPC5 Functionality Differences. This solution does not apply to legacy WST vehicles.
SF646
Jul 18, 2022
160000 STRUCTURE
Field Service Campaign for Western Star 47X and 49X Front Closing Crossmember
MYCOM_07122022-1
Jul 12, 2022
130000 VISIBILITY
My Communications for Continued Espar Heater Shortages - WST191
SS728-WST2022
Jun 30, 2022
270000 LANE DEPARTURE
Service Solution for RDF Nuisance J1939 Fault SA 42 SPN 524287 FMI 31
SBW54-083
Jun 20, 2022
130000 VISIBILITY
Revised Service Bulletin for HVAC Software Updates. Description of Revisions: This bulletin replaces the version dated 06/21/2022. The model applicability list and the general information have been updated.
SS726-WST2022
May 31, 2022
120000 EXTERIOR LIGHTING
Service Solution for 49X & 47X Non FunctioningHeated Headlamps. Heating function of heated headlamps not functioning possible allowing snow and moisture toaccumulate on lens.