Recall 26V-662: 2022–2025 Tiffin Allegro Bus, 2022–2025 Tiffin Phaeton
Tiffin Motorhomes, Inc. recall for fuel system, diesel, reported to NHTSA on Oct 8, 2026, covering about 177 vehicles.
The problem
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.
The 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.
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
| Manufacturer | Tiffin Motorhomes, Inc. |
|---|---|
| Component | Fuel System, Diesel › Delivery › Hoses, Lines/Piping, and Fittings |
| Recall started by | the manufacturer |
| NHTSA campaign number | 26V662000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Tiffin Allegro Bus | 2022, 2023, 2024, 2025 | All years |
| Tiffin Phaeton | 2022, 2023, 2024, 2025 | All years |
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 26V-662?
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.
How is recall 26V-662 fixed?
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
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.