Service bulletins for the 2014 Western Star 4800
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.
209 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Software are shown. Show all
| D20M1 | 2020-04-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. Updated DDC Field Service Campaign for GHG14 DETROIT DD13 with Two-Box Aftertreatment Software Reprogramming. Certain Detroit Model Year 2013 to 2015 GHG14 DD13 engines that are registered in California will require reprogramming to a minimum of the MCM software version and fuel map version listed below: MCM Software Version 4.7.0.0 ZGS 005. Certain sections have been updated for clarity. |
|---|---|
| D18M1 GHG14 Heav | 2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ELECTRICAL SYSTEM:SOFTWARE. Field Service Campaign: GHG14 Heavy Duty Engine Platform Vocational Application Programming |
| 1005-14 | 2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. 1005-14 Oil Coolant Module |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.