Service bulletins for the 2015 Western Star 6900
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.
356 on file from NHTSA, as of 2026-10-19.
By type
By component
| 16-032 | 2016-10-19. Service bulletin. ENGINE. 16-032_DETROIT STANDARD DIAGNOSTIC TIME FOR GHG14 AFTERTREATMENT DEVICE CHECKLIST UPDATED |
|---|---|
| 08 09-16 | 2016-10-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 0809-16 SYMPTOM DIAGNOSTICS : NOISY 1- BOX™ AFTERTREATMENT |
| 54-55 | 2016-10-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SBW5455 VIRTUAL TECHNICIAN RETROFIT |
| 16 TS-14 | 2016-10-17. Service bulletin. EQUIPMENT; ENGINE. 16TS14 EPA10 AND GHG14 SERVICE REPLACEMENT 1-BOX DOC INLET CHANGE |
| SB-54-1 | 2015-12-16. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; EXTERIOR LIGHTING:TURN SIGNAL:SWITCH. WESTERN STAR: BRAKE SIGNAL OVERRIDES TURN SIGNAL UNDER NORMAL OPERATIONS, DUE TO TURN SIGNAL SWITCHES AND STOP/TURN LAMPS ARE SHARING SAME FILAMENT AND SOME TRUCKS WANT 4 WAY FLASHERS TO OVERRIDE SELF CANCELLING TURN SIGNAL SWITCHES. NO MODEL YEARS LISTED. CONSTELLATION, HERITAGE, 4700, 4800, 4900, 5700, 5900, 6900. *PE |
| SB-54-30 | 2015-09-05. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING. WESTERN STAR: INFORMATION BEING PROVIDED REGARDING THE DISCONNECTION AND/OR CONNECTING OF DAYTIME RUNNING LIGHTS THAT ARE DISABLED DURING ASSEMBLY. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.