# Service bulletin SF483

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: 10141877
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: SF483
- Manufacturer's date: 2013\-06\-01
- NHTSA component: PARKING BRAKE

## NHTSA's summary

SF483\-DLR Western Star ECC Park Brake Output Signals

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10141877-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10141877-0001.pdf)

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

## Components

Brakes, Parking brake

## Vehicles listed

- 2011 to 2014 WESTERN STAR 4700
- 2011 to 2014 WESTERN STAR 4900
- 2011 to 2014 WESTERN STAR 6900

## Other bulletins for the same vehicles and component

- [SF\-483\-A](/bulletins/10052653.md), 2013-08-28, Service bulletin: PARKING BRAKE. DAIMLER TRUCKS: ON CERTAIN TRUCKS, ENGINE MAY NOT RECEIVE COMPLETE PARK BRAKE ENGAGED INPUT SIGNAL FROM ELECTRONIC CONTROL CENTER \(ECC\), AND WILL BE MODIFIED, BY MOVING PARK BRAKE INPUT SIGNAL TO AN INDEPENDENT AIR SWITCH. MODEL 2010\-2013 4700, 4900, 6900. \*PE

JSON: [/v1/bulletins/10141877](/v1/bulletins/10141877)

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