2022–2025 Tiffin Allegro Bus, 2022–2025 Tiffin Phaeton Recall: Remote fuel filter hoses may separate from the fitting, causing a fuel…
NHTSA campaign 26V662000 · Fuel System, Diesel · filed Oct 8, 2026 · verified Oct 16, 2026
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 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.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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
Affected vehicles
Related recalls
More Tiffin Allegro Bus recalls
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- 2022 Tiffin Allegro Bus and 3 other models — Pedestal mounting plate on the driver's seat may be…
- 2016–2024 Tiffin Allegro Bus and 1 other model — 240-Volt induction cooktop may not be grounded, which can…
- 2022–2023 Tiffin Allegro Bus and 2 other models — A fuse will trip during an a/c compressor failure, causing…
Other campaigns involving Tiffin vehicles
Source: NHTSA recall database, campaign 26V662000 (manufacturer number TIF-150). Data last verified Oct 16, 2026.