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Service bulletin SS1034538

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10168100
Published by NHTSA2019-11-22
Manufacturer's numberSS1034538
Manufacturer's date2019-11-21
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

Service Solution concerning Western Star 5700 intermittent headlight issues.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Lighting

Vehicles listed
WESTERN STAR 57002015, 2016, 2017, 2018, 2019, 2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20V2140002020-04-14. EXTERIOR LIGHTING
17V7610002017-11-27. EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; EXTERIOR LIGHTING:BRAKE LIGHTS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
FL7562018-12-10. Service bulletin. FL756 Brake Light Pressure Switches
FL7562018-10-01. Service bulletin. FL756 Brake Light Pressure Switches
FL7562018-06-18. Service bulletin. FL756 Brake Light Pressure Switches
DOC-10332792018-06-11. Service bulletin. SS - 1033279: WST 5700XE Fog Lamp Long Life Bulb replacement
sbw54012018-06-11. Service bulletin. sbw5401 Turn Signal and Brake Override Circuit
SB-54-12015-12-16. Service bulletin. 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