Service bulletin WSB-13
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 | 11035488 |
| Published by NHTSA | 2026-08-03 |
| Manufacturer's number | WSB-13 |
| Manufacturer's date | 2026-07-14 |
| Campaign id or software version | WSB-13 |
| NHTSA component | ELECTRICAL SYSTEM |
NHTSA's summary
2025 and 2026 Open Trail Motorhomes need to have the 12 volt charging system upgraded in order to extend the battery life for using the motorhome while not connected to an electrical charging system (boondocking).
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
Electrical system
| TIFFIN OPEN TRAIL | 2025 to 2026 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.