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Service bulletins for the 2012 Western Star 5900

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

125 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
sbw49112018-01-16. Service bulletin. ELECTRICAL SYSTEM. sbw4911 DEF Gauge Reading Incorrectly
sbw49102018-01-16. Service bulletin. ENGINE. sbw4910 Gentech DEF Coolant-Flow Solenoid, Testing and Replacement
sbw42052018-01-16. Service bulletin. SERVICE BRAKES, AIR:DISC:PADS. sbw4205 Bendix Air Disc Brake Thermal Overload Issues
12-0272018-01-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 12-027-DLR Detroit and Alliance like Batteries are now interchangeable
sbw47132018-01-05. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. sbw4713 Crank No Start, Loss of Engine Prime on Decked Vehicles
12-0432018-01-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 12-043-DLR Helpline Available For Additional Support
12-0402018-01-05. Service bulletin. STRUCTURE:BODY. 12-040-DLR Roof Fairing Removal Program
12-0392018-01-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 12-039-DLR OWL Pre-approval's Time Frame Increases to 60 Days
12-0382018-01-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 12-038-DLR - No Problem Found - Policy Claims - During Basic Vehicle Chassis or Base Engine Coverage
15-028A2018-01-05. Service bulletin. ENGINE AND ENGINE COOLING. 15-028 New Detroit Coolant Line SRTs
901-152018-01-05. Service bulletin. ENGINE. 901-15 Oil Breather Vent
15-0292018-01-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. _Warranty Recognition Program - Coming Soon
0239-142018-01-05. Service bulletin. FUEL SYSTEM, GASOLINE. 0239-14 High Pressure Fuel Injector Lines - Three-Filter System
0238-142018-01-05. Service bulletin. FUEL SYSTEM, GASOLINE. 0238-14 Removal of the High Pressure Fuel Injector Lines - Two-Filter
0228-142018-01-05. Service bulletin. ENGINE. 0228-14 Engine Oil Leaks - Oil Dye Method
0219-142018-01-05. Service bulletin. FUEL SYSTEM, OTHER. 0219-14 Metal in Fuel
0229-142018-01-05. Service bulletin. ENGINE. 0229-14 Symptom Based Diagnostics - Oil Separator
0202-142018-01-05. Service bulletin. FUEL SYSTEM, OTHER. 0202-14 Symptom Diagnostics - Hard Start No Start - Two-Filter Fuel System
0215-142018-01-05. Service bulletin. FUEL SYSTEM, OTHER. 0215-14 Check for Rough Running or Stalling - Three-Filter Fuel System
0233-142018-01-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0233-14 SPN 51 FMI 2 - All Years
0224-142018-01-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0224-14 SPN 1590 FMI 9 - CPC- All Years February 2014
0237-142018-01-05. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID. 0237-14 Engine Brake Solenoid
54-572018-01-05. Service bulletin. ELECTRICAL SYSTEM. 54-57 - Powernet Troubleshooting Guide: Batteries, Path, Alternator, and Starter
49-132018-01-05. Service bulletin. EQUIPMENT. 49-13 - DEF Return Line Fitting Heater, 6-Gallon Tanks
49-142018-01-05. Service bulletin. ENGINE AND ENGINE COOLING. 49-14 - DEF Tank Coolant Valve O-Ring Kit

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.