OFFICIAL CAMPAIGN FILE
NHTSA campaign 23V126000
NHTSA campaign 23V126000 covers 11 published year-and-model reports from 1 makes in this index and lists 555 potentially affected units campaign-wide. VIN eligibility must be checked separately.
Report received February 24, 2023 · Snapshot September 21, 2026
01 / DEFECT RECORD
What NHTSA campaign 23V126000 says
Defect summary
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.
Consequence summary
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.
02 / CORRECTIVE ACTION
Remedy for NHTSA campaign 23V126000
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.
- Owner notification
- September 8, 2023
- Filing manufacturer
- Prevost Car (US) Inc.
- Component groups
- EQUIPMENT
03 / PUBLISHED VEHICLES