Tiffin GH1, GT1 +2 more: Electrical system — alternator/generator/regulator

Affects Tiffin GH1, GT1, Convoy, GH2 · 2023–2026 — about 418 vehicles.

The hazard

Improper programming can cause the engine to stall, increasing the risk of a crash.

What to do

Dealers will install a wire harness and update the alternator programming, free of charge. Owner notification letters were mailed September 19, 2025. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-145.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational