Tiffin Phaeton, Tiffin Allegro Bus, model years 2022 to 2025. Filed by Tiffin Motorhomes, Inc. and reported to NHTSA on 8 October 2026. 177 vehicles potentially affected.
What the notice says 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.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Tiffin's own number for this recall: TIF-150. That is the number on the owner letter and on the dealer paperwork. 26V662 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 26V662 cover?
- Tiffin Phaeton, Tiffin Allegro Bus, model years 2022-2025.
- What is wrong with them?
- 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.
- What can happen if it is not put right?
- 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.
- Is there a fix yet?
- Yes, and it is free. 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
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Tiffin calls this recall TIF-150, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
affected
in the notice
caught
| Campaign | 26V662 |
|---|---|
| Filed by | Tiffin Motorhomes, Inc. |
| System at fault | Fuel System, Diesel |
| Reported to NHTSA | 8 October 2026 |
| Model years | 2022-2025 |
| Vehicles named | TIFFIN PHAETON, TIFFIN ALLEGRO BUS |
What the notice says today
The defect
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 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.
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
What it said before
Nothing has changed while we have been watching. We first read this campaign on 14 October 2026 and last read it on 14 October 2026.
The copy we hold today hashes to fe5c54765d571e69aa473e9079985813…, so if it is ever edited the change is provable rather than a matter of memory.
Last checked . No change has been recorded in the wording.
Official record: NHTSA campaign 26V662. Every Tiffin campaign we hold: Tiffin recalls.
Owners of these cars
No register publishes what happens after the letter. Owners do: tell us, in two taps.
Anonymous: no account, no cookie, nothing you type is stored beyond these choices. Figures appear once 3 owners have answered, and are published with the record under CC BY 4.0.