2022–2025 Tiffin Allegro Bus, Tiffin Phaeton: Fuel System, Diesel recall
NHTSA campaign 26V662000 · 177 units potentially affected · filed Oct 8, 2026
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.
Why it matters
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.
The fix
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
Recall details
- NHTSA campaign
- 26V662000
- Manufacturer no.
- TIF-150
- Manufacturer
- Tiffin Motorhomes, Inc.
- Component
- FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- Units affected
- 177
- Report received
- Oct 8, 2026
- Owner letters
- —
- Type
- Vehicle
Check whether your vehicle is included with the official NHTSA VIN lookup or your dealer. Repairs for safety recalls are free.
Vehicles covered
- Tiffin Allegro Bus 2022, 2023, 2024, 2025
- Tiffin Phaeton 2022, 2023, 2024, 2025