NHTSA Recall 26V662000

Affects 2025 Tiffin Phaeton, 2022 Tiffin Allegro Bus, 2025 Tiffin Allegro Bus, 2023 Tiffin Phaeton, 2022 Tiffin Phaeton, 2024 Tiffin Allegro Bus, 2023 Tiffin Allegro Bus, 2024 Tiffin Phaeton. Recall repairs are free at any franchised dealer, however old the vehicle is.

Recall data as of Oct 16, 2026 — NHTSA.

Hoses, Lines/Piping, And Fittings

NEW

FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

What's wrong:
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2022-2025 Allegro Bus, and Phaeton motorhomes, equipped with certain L9 diesel engines, part number D563027BX03. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
Risk:
A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
What to do:
Cummins dealers will replace the fuel hoses, free of charge. Owner notification letters are expected to be mailed November 20, 2026. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-150

NHTSA campaign 26V662000 — quote this at the dealer.Reported Oct 8, 2026.

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