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Manufacturer recall number

Tiffin recall TIF-150

Tiffin calls it TIF-150. NHTSA filed it as campaign 26V662000 on Oct 8, 2026: fuel system, diesel on the 2022–2025 Tiffin Allegro Bus and 1 other Tiffin model, 177 vehicles potentially affected. One recall, two numbers — the dealer quotes the manufacturer’s, the federal record carries NHTSA’s.

What NHTSA has under this number

Source: 49 CFR Part 573 filings
NHTSA campaignVehiclesComponentFiledAffectedSeverity
26V6620002022–2025 Tiffin Allegro Bus and 1 other Tiffin modelFuel System, DieselOct 8, 2026177critical
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. 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. 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

The manufacturer’s own words as filed for 26V662000. Every model year it covers, the build window and the filed PDFs →

Two numbers, one recall

Every safety recall carries two identifiers. TIF-150 is the number Tiffin assigned in its own system: it is what appears on the owner letter, on the dealer’s service screen and on the repair order. 26V662000 is the number NHTSA filed the same recall under when the manufacturer reported it, and it is the one every federal record, this site included, is keyed on.

The repair is free by federal law for vehicles up to fifteen years old. Whether one particular vehicle is included is settled by its VIN against the manufacturer’s build list, not by its model year.

Check one specific vehicle

Both lookups check a VIN against the manufacturer’s own list and say whether the repair is still outstanding on that vehicle.

Common questions

Source: NHTSA, 49 CFR Part 573

Is TIF-150 the same recall as 26V662000?

Yes. TIF-150 is Tiffin’s own number for it; 26V662000 is NHTSA’s. One recall, two references.

Which vehicles does TIF-150 cover?

2022–2025 Tiffin Allegro Bus and 1 other Tiffin model, 177 vehicles by the manufacturer’s count. A recall covers a build range, so the VIN decides whether one particular vehicle is in it.

Does the TIF-150 repair cost anything?

No. The manufacturer must remedy a safety defect at no charge for vehicles up to 15 years old from first sale.