- Vehicles
- 555
- Built between
- Not published
- Models
- 3
- Recall type
- Vehicle
- Initiated by
- Manufacturer
- Owners notified
- 8 September 2023
- Repaired
- 60%
- Unrepaired
- 213
Does this affect my vehicle?
The manufacturer did not publish a build-date range for this recall, so the model and year list below is the only way to tell whether your vehicle is covered.
- 2019 Prevost H3-41
- 2018-2023 Prevost H3-45
- 2018-2023 Prevost H3-45 VIP
Repair progress
213 of 555 vehicles in this recall had still not been repaired as of Q2 2025.
60% repaired — 334 of 555 reported
- Owners not reachable
- 3
- Scrapped or exported
- 5
Manufacturers file these figures with NHTSA each quarter. Vehicles the manufacturer could not trace, or that have been scrapped or exported, are counted separately and are not included in the unrepaired figure.
What the defect is
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 false warning to the driver, command an unwarranted engine shutdown, and release a chemical fire extinguishing agent in the engine compartment.
What could happen
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.
What gets fixed
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.
Parts involved
- AFSS Optical Sensor Bracket0610076AFSS Optical Sensor Bracket
- AFSS Optical Sensor Bracket061167AFSS Optical Sensor Bracket
- Fire Sensor PM-3M563457Optical Fire Sensor
Part numbers are as filed by the manufacturer and are listed for reference. Your dealer will confirm the correct part for your vehicle.
Timeline
- Recall reported to NHTSA24 February 2023
- Owners notified8 September 2023
- Latest repair reportQ2 2025 — 60% repaired
Your rights
A safety recall repair is free. Under US federal law the manufacturer must fix a safety defect at no cost to you — no charge for parts, labor or diagnosis — whether or not you are the original owner. A dealer cannot charge you for recall work, and cannot require you to have bought the vehicle from them.
That entitlement is not unlimited. It applies where the vehicle was first sold less than 15 years before the recall was announced — 5 years for tires. Past that a manufacturer may still do the repair free of charge, and many do, but they are no longer obliged to. This recall was reported on 24 February 2023.
To arrange the repair, contact any franchised dealer for the brand. If a dealer refuses the work or tries to charge for it, you can report that to NHTSA at nhtsa.gov/recalls or on 1-888-327-4236.
Manufacturer contact
Owners may contact Prevost customer service at 1-866-870-2046. Prevost's number for this recall is SR23-05.
Official source
- Manufacturer's recall number
- SR23-05
- Recalling manufacturer
- Prevost Car (US) Inc.
- Recall initiated by
- MFR
Everything on this page — the models listed, the build dates and the repair figures — comes from the manufacturer's filing to NHTSA and describes the vehicle line as a whole, not any individual car. Only the manufacturer can confirm whether a specific vehicle is affected, and whether its recall work has already been carried out. Check yours by VIN and read the official notice at nhtsa.gov/recalls.
Additional notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Check your own vehicle
This page describes the recall, not any one car. To see which recalls cover a specific vehicle, search by make, model and year.
A VIN lookup here identifies your vehicle and shows recalls issued for that make, model and year. It cannot tell you what is still open on your individual car - only the manufacturer knows that. Search by VIN instead, or check your VIN at nhtsa.gov for whether a recall is still open on your individual car.