# Service bulletin TSB\-54\-102\-WST

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: 11038008
- Published by NHTSA: 2026\-10\-05
- Manufacturer's number: TSB\-54\-102\-WST
- Manufacturer's date: 2026\-09\-23
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Technical Service Bulletin for J1939 Communication Errors with Cummins Engine Automated or Allison Transmission and Bendix Side Radar

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11038008-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11038008-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2023 to 2027 WESTERN STAR 47X
- 2023 to 2027 WESTERN STAR 49X

JSON: [/v1/bulletins/11038008](/v1/bulletins/11038008)

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