# Service bulletin SBW54\-073

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: 10165424
- Published by NHTSA: 2019\-09\-28
- Manufacturer's number: SBW54\-073
- Manufacturer's date: 2019\-09\-27
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Service Bulletin for Powernet Distribution Box Functional Changes

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165424-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165424-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2017 to 2020 WESTERN STAR 4700
- 2017 to 2020 WESTERN STAR 4800
- 2017 to 2020 WESTERN STAR 4900
- 2017 to 2020 WESTERN STAR 5700
- 2017 to 2020 WESTERN STAR 6900

## Recalls for the same vehicles and component

- [2026091](/recalls/tc/2026091.md), 2026-03-03: Electrical
- [2021697](/recalls/tc/2021697.md), 2021-11-12: Electrical
- [21V882000](/recalls/nhtsa/21V882000.md), 2021-11-12: ELECTRICAL SYSTEM:WIRING
- [2021172](/recalls/tc/2021172.md), 2021-03-24: Electrical
- [21V206000](/recalls/nhtsa/21V206000.md), 2021-03-24: ELECTRICAL SYSTEM:WIRING
- [2020217](/recalls/tc/2020217.md), 2020-05-18: Electrical
- [20V281000](/recalls/nhtsa/20V281000.md), 2020-05-18: ELECTRICAL SYSTEM:WIRING
- [19V171000](/recalls/nhtsa/19V171000.md), 2019-03-05: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [18V191000](/recalls/nhtsa/18V191000.md), 2018-03-26: ELECTRICAL SYSTEM:WIRING
- [2017460](/recalls/tc/2017460.md), 2017-09-22: Electrical

## Other bulletins for the same vehicles and component

- [CALWS83\-001](/bulletins/10201680.md), 2021-09-29, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY. Customer Advisory Letter for HVAC Actuator Wiring Harness. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion.
- [SBW54\-080](/bulletins/10198595.md), 2021-06-29, Service bulletin: ELECTRICAL SYSTEM. Western Star Service Bulletin for Key Fob ID Retention. Key fobs for remote keyless entry on Western Star vehicles are delivered in packages that include a unique ID for the fob. The ID is required when pairing the key fob with a vehicle.
- [SS708\-WST2021](/bulletins/10198288.md), 2021-06-26, Service bulletin: ELECTRICAL SYSTEM. Western Star Service Solution for Low Voltage Disconnect \(LVD\) Troubleshooting: Western Star 5700 and New 4700.
- [TechTalk566681](/bulletins/10194820.md), 2021-06-02, Service bulletin: ELECTRICAL SYSTEM. Tech Talk Discussion No comms with CPC, MCM or ACM
- [CALWS32\-001](/bulletins/10194469.md), 2021-05-25, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; SUSPENSION; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Customer Advisory Letter on Transverse Track Rod Tower Bracket
- [TechTalk12369K](/bulletins/10191787.md), 2021-05-06, Service bulletin: ELECTRICAL SYSTEM. Tech Talk continuing discussion on a burned cab.
- [TechTalk12369K](/bulletins/10189964.md), 2021-04-06, Service bulletin: STRUCTURE:FRAME AND MEMBERS; ELECTRICAL SYSTEM. Tech Talk discussion on a burned cab.
- [TechTalk12347K](/bulletins/10189961.md), 2021-04-06, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Tech Talk discussion on dash lights not working
- [TechTalk12331K](/bulletins/10189796.md), 2021-04-05, Service bulletin: ELECTRICAL SYSTEM. Tech Talk discussion on dash lights not working.
- [SBW54\-057](/bulletins/10189332.md), 2021-03-25, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. Western Star Service Bulletin for Powernet Troubleshooting Guide \- Batteries, Path, Alternator, and Starter. When troubleshooting powernet issues, use the BCT\-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeter is the only Daimler\-approved tool for troubleshooting vehicle Powernet issues.

JSON: [/v1/bulletins/10165424](/v1/bulletins/10165424)

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