# Service bulletin SB\-54\-1

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.

- Type: Service bulletin
- NHTSA id: 10058907
- Published by NHTSA: 2015\-12\-16
- Manufacturer's number: SB\-54\-1
- Manufacturer's date: 2015\-08\-01
- NHTSA component: EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; EXTERIOR LIGHTING:TURN SIGNAL:SWITCH

## NHTSA's summary

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

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Lighting, Brake lights, Turn signals

## Vehicles listed

- 2016 WESTERN STAR 4700
- 2015 WESTERN STAR 4800
- 2016 WESTERN STAR 4900
- 2015 WESTERN STAR 5700
- 2015 WESTERN STAR 6900
- 2012 WESTERN STAR CONSTELLATION
- 1999 WESTERN STAR HERITAGE

## Recalls for the same vehicles and component

- [17V761000](/recalls/nhtsa/17V761000.md), 2017-11-27: EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; EXTERIOR LIGHTING:BRAKE LIGHTS

## Other bulletins for the same vehicles and component

- [FL756](/bulletins/10151450.md), 2018-12-10, Service bulletin: EXTERIOR LIGHTING:BRAKE LIGHTS. FL756 Brake Light Pressure Switches
- [FL756](/bulletins/10145108.md), 2018-10-01, Service bulletin: EXTERIOR LIGHTING; EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH. FL756 Brake Light Pressure Switches
- [FL756](/bulletins/10141561.md), 2018-06-18, Service bulletin: EXTERIOR LIGHTING:BRAKE LIGHTS. FL756 Brake Light Pressure Switches

JSON: [/v1/bulletins/10058907](/v1/bulletins/10058907)

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