2019 Prevost H3-41, 2018–2023 Prevost H3-45, 2018–2023 Prevost H3-45 Vip Recall: Automatic Fire Suppression System (AFSS) optical fire sensor positioned in…
NHTSA campaign 23V126000 · Equipment · filed Feb 24, 2023 · verified Jul 30, 2026
The defect
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.
The risk
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.
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
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.
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.
Affected vehicles
Related recalls
More Prevost H3-41 recalls
- 2006–2018 Prevost H3-41 and 4 other models — Wheelchair platform bridging device may be too steep, which…
- 2014–2018 Prevost H3-41 and 3 other models — Red beacon lighting on the Threshold Warning System (TWS)…
- 2010–2018 Prevost H3-41 and 6 other models — These extinguishers may become clogged, preventing the…
- 2009–2018 Prevost H3-41 and 6 other models — Fuel tank cradle supports may have gaps at the points where…
- 2012–2016 Prevost H3-41 and 5 other models — Coolant line on the affected vehicles may be missing a…
Other campaigns involving Prevost vehicles
Source: NHTSA recall database, campaign 23V126000 (manufacturer number SR23-05). Data last verified Jul 30, 2026.