NHTSA Campaign 26V662000
FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Issued by Tiffin Motorhomes, Inc. · Reported Oct 8, 2026 · 177 vehicles affected
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.
Consequence
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.
Remedy
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
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| TIFFIN | ALLEGRO BUS | 2022 | 177 |
| TIFFIN | ALLEGRO BUS | 2023 | 177 |
| TIFFIN | ALLEGRO BUS | 2024 | 177 |
| TIFFIN | ALLEGRO BUS | 2025 | 177 |
| TIFFIN | PHAETON | 2022 | 177 |
| TIFFIN | PHAETON | 2023 | 177 |
| TIFFIN | PHAETON | 2024 | 177 |
| TIFFIN | PHAETON | 2025 | 177 |
Source: NHTSA Campaign 26V662000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.