Tiffin Allegro Bus, Tiffin Zephyr, model years 2016 to 2024. Filed by Tiffin Motorhomes, Inc. and reported to NHTSA on 20 September 2023. 1,188 vehicles potentially affected.
What the notice says Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2016-2024 Allegro Bus, and 2017-2024 Zephyr motorhomes. The 240-Volt induction cooktop may not be grounded, which can create an electrical shock hazard if the wires short-circuit.
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-133. That is the number on the owner letter and on the dealer paperwork. 23V643 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 23V643 cover?
- Tiffin Allegro Bus, Tiffin Zephyr, model years 2016-2024.
- What is wrong with them?
- Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2016-2024 Allegro Bus, and 2017-2024 Zephyr motorhomes. The 240-Volt induction cooktop may not be grounded, which can create an electrical shock hazard if the wires short-circuit.
- What can happen if it is not put right?
- An electrical shock can increase the risk of injury.
- Is there a fix yet?
- Yes, and it is free. Dealers will install a ground for the metal junction box, free of charge. Owner notification letters were mailed October 20, 2023. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-133.
- 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-133, 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.
What the authority says can happen if this is not fixed: “An electrical shock can increase the risk of injury.”
affected
in the notice
caught
| Campaign | 23V643 |
|---|---|
| Filed by | Tiffin Motorhomes, Inc. |
| System at fault | Equipment:Appliance:Oven/Stove/Cooktop |
| Reported to NHTSA | 20 September 2023 |
| Model years | 2016-2024 |
| Vehicles named | TIFFIN ALLEGRO BUS, TIFFIN ZEPHYR |
What the notice says today
The consequence
An electrical shock can increase the risk of injury.
The remedy
Dealers will install a ground for the metal junction box, free of charge. Owner notification letters were mailed October 20, 2023. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-133.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 2,632 notices in the record whose component field names equipment. Across that group the median wait before owners were written to was 29 days.
Last checked . No change has been recorded in the wording.
The same recall in other countries
This campaign carries a manufacturer code that also appears in another country’s register, which means the same defect was recalled there too.
- Canada: Transport Canada recall 2023522, recorded 20 September 2023 (within a week of the American filing)
Matched on TIF133, the manufacturer’s own number for this campaign, which is the only field the registers share. Exact match, nothing paired on brand and date. The two dates are adjacent instruments rather than the same one, so a difference of a day or two means nothing.
How often the two countries file on the same day · The European alerts
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 23V643, wording as read on 16 September 2026. https://carsmultiverse.com/recall/23v643/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Tiffin notices we hold
- 26V342: 2026-2027 Open Trail, Wayfarer, and 2026 Midas recreational
- 26V338: 2025-2026 GT1, 2026 GH2, and GH1 motorhomes
- 26V156: 2025-2026 GT1, GH1, and 2026 GH2 motorhomes
- 25V905: 2025-2026 Open Trail motorhomes equipped with an optional diesel or propane generator
- 25V799: 2026 Open Trail motorhomes
- 25V554: 2025 GT1 Touring vans
- 25V481: 2024 Convoy, 2023-2026 GH1, 2025 GT1, and 2026 GH2 motorhomes equipped with 2
- 25V186: 2025 Zephyr motorhomes with floorplan 45PZ
All 73 Tiffin campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 23V643 on 5 September 2026, they were:
- Defect summary
688e1b49 - Consequence
7e15c55d - Remedy
7ef78a74
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 23V643 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Tiffin Allegro Bus, in all seven, is kept on that vehicle's own page, with the newest in each.
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Owners of these cars
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