Prevost H3-41, Prevost H3-45, Prevost H3-45 Vip, model years 2018 to 2023. Filed by Prevost Car (US) Inc. and reported to NHTSA on 24 February 2023. 555 vehicles potentially affected.
What the notice says Prevost Car (US) Inc. (Prevost) is recalling certain 2018-2023 H3-45 motor coaches and H3-45 VIP motorhomes, and 2019 H3-41 motor coaches. The Automatic Fire Suppression System (AFSS) optical fire sensor positioned in the engine compartment's lower region may corrode and malfunction. In this event, the AFSS may give a …
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.
Prevost's own number for this recall: SR23-05. That is the number on the owner letter and on the dealer paperwork. 23V126 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 23V126 cover?
- Prevost H3-41, Prevost H3-45, Prevost H3-45 Vip, model years 2018-2023.
- What is wrong with them?
- Prevost Car (US) Inc. (Prevost) is recalling certain 2018-2023 H3-45 motor coaches and H3-45 VIP motorhomes, and 2019 H3-41 motor coaches. The Automatic Fire Suppression System (AFSS) optical fire sensor positioned in the engine compartment's lower region may corrode and malfunction.
- What can happen if it is not put right?
- The activation of the Automatic Fire Suppression System can cause a sudden loss of drive power, increasing the risk of a crash. Additionally, a disabled coach may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.
- Is there a fix yet?
- Yes, and it is free. Prevost will inspect the vehicles, install spacers between the optical fire sensor and bracket, and replace the optical fire sensor, if necessary, free of charge. Owner notification letters were mailed September 8, 2023. Owners may contact Prevost customer service at 1-866-870-2046.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Prevost calls this recall SR23-05, 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: “The activation of the Automatic Fire Suppression System can cause a sudden loss of drive power, increasing the risk of a crash. Additionally, a disabled coach may require an evacuation procedure in an uncontrolled traffic situation, increas…”
affected
in the notice
caught
| Campaign | 23V126 |
|---|---|
| Filed by | Prevost Car (US) Inc. |
| System at fault | Equipment:Emergency:Fire Supression:Sensors |
| Reported to NHTSA | 24 February 2023 |
| Model years | 2018-2023 |
| Vehicles named | PREVOST H3-41, PREVOST H3-45, PREVOST H3-45 VIP |
What the notice says today
The consequence
The activation of the Automatic Fire Suppression System can cause a sudden loss of drive power, increasing the risk of a crash. Additionally, a disabled coach may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.
The remedy
Prevost will inspect the vehicles, install spacers between the optical fire sensor and bracket, and replace the optical fire sensor, if necessary, free of charge. Owner notification letters were mailed September 8, 2023. Owners may contact Prevost customer service at 1-866-870-2046. Prevost's number for this recall is SR23-05.
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 2023097, recorded 24 February 2023 (within a week of the American filing)
Matched on SR2305, 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
- Prevost H3-41 recalls: 14 US campaigns
- Prevost H3-45 recalls: 44 US campaigns
- Prevost H3-45 Vip recalls: 23 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 23V126, wording as read on 16 September 2026. https://carsmultiverse.com/recall/23v126/
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 Prevost notices we hold
- 26V095: 2026 H3-45 and H3-45 VIP
- 26V093: 2025-2026 X3-45 commuter buses
- 26E008: exterior driver side mirrors with part number 990648
- 25V738: 2025 X3-45 Commuter buses
- 25V461: 2018-2019 X3-45 Commuter
- 25V460: 2025 X3-45 and 2025-2026 H3-45 coach buses
- 25V290: one 2025 X3-45 VIP Entertainer
- 25V243: 2025 Prevost H3-45 and X3-45 motorcoaches
All 87 Prevost 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 23V126 on 23 August 2026, they were:
- Defect summary
48d9a052 - Consequence
d3960a13 - Remedy
f9e4d5f4
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 23V126 · 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 Prevost H3-45 Vip, 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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