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January 12, 2026 Service bulletin

Tiffin issued a technical service bulletin to change the alternator in the Open Trail Motorhome due to a...

Tiffin technical service bulletin WSB-07 for 2026 Tiffin Open Trail.

Bulletin number
WSB-07 (WSB-07)
Component
Electrical system
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.

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