WenmarOpen by Wenmar Pro

Service bulletins for the 2018 Western Star 5700

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.

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

By type

By component

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
sbw54012018-06-11. Service bulletin. ELECTRICAL SYSTEM. sbw5401 Turn Signal and Brake Override Circuit
1109-172018-06-11. Service bulletin. ELECTRICAL SYSTEM. Power Take-Off
1108-172018-06-11. Service bulletin. ELECTRICAL SYSTEM. Power Take-Off
1102-172018-06-11. Service bulletin. ELECTRICAL SYSTEM. SPN 157 (MCM) (GHG17)
MY18M12018-06-11. Service bulletin. ELECTRICAL SYSTEM. MY18M1a_05-MAR-2018_Vocational
17TL8Rev12018-06-11. Service bulletin. ELECTRICAL SYSTEM. Vehicle Interface Module
0405-172018-06-11. Service bulletin. ELECTRICAL SYSTEM. SPN 521222 (TCM)
0408-17 SPN 52422018-06-11. Service bulletin. ELECTRICAL SYSTEM. FMI 2- Automatic Gear Selection - Incompatible or missing dataset
0403-172018-06-11. Service bulletin. ELECTRICAL SYSTEM. SPN 677 FMI 2 Starter Switch Inconsistent Diagnostics
15-0162018-03-05. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 15-016-DLR New Essential Tool For CPWA, CPPRA, Ltd CPPRA, & DSDWC Parties: Cadex CA-12 Battery Tester
12-0272018-01-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 12-027-DLR Detroit and Alliance like Batteries are now interchangeable
15TL212018-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 15TL21 GHG17 Diagnostic Connector Update
0237-142018-01-05. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID. 0237-14 Engine Brake Solenoid
1003-142017-11-17. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. 1003-14 Rough Running or Stalling.
1005-142017-11-17. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. 1005-14 Oil Coolant Module
14CSA222017-11-17. Service bulletin. ELECTRICAL SYSTEM:WIRING. 14CSA22 DTNA Chassis Wiring Diagrams

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