Technical Service Bulletin WSB-07 — 2026 TIFFIN OPEN TRAIL
ELECTRICAL SYSTEM
Bulletin Details
| TSB ID | WSB-07 |
| Manufacturer | |
| Vehicle | 2026 TIFFIN OPEN TRAIL |
| Component | ELECTRICAL SYSTEM |
| Communication Date |
Bulletin Summary
Tiffin issued a technical service bulletin to change the alternator in the Open Trail Motorhome due to a firmware update by Lithionics to change the secondary alternator charging threshold from 800 to 1200 RPMs.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.