This campaign
- Campaign number
- 26V-662
- Manufacturer
- Tiffin Motorhomes, Inc.
- Component
- FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
- Report received
- October 8, 2026
Rigs named in this campaign
NHTSA named these model years. A model year on this list is not proof your VIN is included.
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 safety 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 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
Dates
NHTSA received the report on October 8, 2026.
Owner notification letters are expected to be mailed November 20, 2026.
What to do next
Check the VIN at NHTSA before you treat this campaign as yours. If the lookup shows this campaign for your VIN, call a dealer or the manufacturer named in the remedy.
Your rights with an open recall
If NHTSA shows this campaign for your VIN, these answers explain who pays and what to do if a dealer will not do the repair.
Source
This page uses the campaign text NHTSA published.