# Service bulletin sbw5401

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: 10140720
- Published by NHTSA: 2018\-06\-11
- Manufacturer's number: sbw5401
- Manufacturer's date: 2015\-08\-01
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

sbw5401 Turn Signal and Brake Override Circuit

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10140720-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10140720-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Lighting

## Vehicles listed

- 2002 to 2019 WESTERN STAR 4700
- 2010 to 2017 WESTERN STAR 4800
- 2002 to 2019 WESTERN STAR 4900
- 2002 to 2019 WESTERN STAR 5700
- 2004 to 2017 WESTERN STAR 5900
- 2002 to 2019 WESTERN STAR 6900
- 2009 to 2013 WESTERN STAR CONSTELLATION
- 2015 to 2016 WESTERN STAR CONSTELLATION

## Recalls for the same vehicles and component

- [20V214000](/recalls/nhtsa/20V214000.md), 2020-04-14: EXTERIOR LIGHTING
- [2019336](/recalls/tc/2019336.md), 2019-07-04: Lights And Instruments
- [2019196](/recalls/tc/2019196.md), 2019-04-23: Lights And Instruments
- [17V761000](/recalls/nhtsa/17V761000.md), 2017-11-27: EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; EXTERIOR LIGHTING:BRAKE LIGHTS
- [08V417000](/recalls/nhtsa/08V417000.md), 2008-08-15: EXTERIOR LIGHTING
- [2008222](/recalls/tc/2008222.md), 2008-06-25: Lights And Instruments

## Other bulletins for the same vehicles and component

- [SS1034538](/bulletins/10168100.md), 2019-11-22, Service bulletin: EXTERIOR LIGHTING. Service Solution concerning Western Star 5700 intermittent headlight issues.
- [DOC\-1033220](/bulletins/10153414.md), 2019-02-19, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS. DOC\-1033220 WST 4700 Headlight Bezel Chrome Wrinkling
- [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
- [sbw5430](/bulletins/10141920.md), 2018-06-18, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS. sbw5430 Disconnecting or Connecting Daytime Running Lights
- [FL756](/bulletins/10141561.md), 2018-06-18, Service bulletin: EXTERIOR LIGHTING:BRAKE LIGHTS. FL756 Brake Light Pressure Switches
- [DOC\-1033279](/bulletins/10140761.md), 2018-06-11, Service bulletin: EXTERIOR LIGHTING:FOG LIGHTS. SS \- 1033279: WST 5700XE Fog Lamp Long Life Bulb replacement
- [SB\-54\-1](/bulletins/10058907.md), 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](/bulletins/10058368.md), 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

JSON: [/v1/bulletins/10140720](/v1/bulletins/10140720)

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