Service bulletin TSB91-004-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 | 11013663 |
| Published by NHTSA | 2025-02-05 |
| Manufacturer's number | TSB91-004-WST |
| Manufacturer's date | 2025-01-30 |
| NHTSA component | SEATS |
NHTSA's summary
Technical Service Bulletin for Repairing Seat Occupancy Sensor for ISRI, SEARS and National Truck Seats
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Seats
| WESTERN STAR 47X | 2022 to 2025 |
|---|---|
| WESTERN STAR 49X | 2021 to 2025 |
| WESTERN STAR 57X | 2023 to 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.