NHTSA campaign 24V657000 · Nova Bus campaign CR5637
Nova Bus Recall 24V-657: Auxiliary Heater May Short Circuit
NHTSA recall 24V657000 (Nova Bus campaign CR5637) was reported by Nova Bus (US) Inc. on September 9, 2024, with 208 vehicles potentially affected (per NHTSA). NHTSA's record lists the Nova Bus LFS and Nova Bus LFS Artic for model years 2019–2024. Owners were notified on January 28, 2025, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 24V657000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 24V657000 (also written 24V-657 or 24V657)
- Filed by
- Nova Bus (US) Inc.
- Nova Bus campaign number
- CR5637
- Report received
- Potentially affected
- 208 vehicles (per NHTSA)
- Component
- Visibility — Defroster/Defogger/HVAC System — Windshield — Electrical Heating Element
- Owners notified
Repair completion: 62.98% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 24V657000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
NHTSA's recall notice
As NHTSA's recall record states it for campaign 24V657000.
Defect description
Nova Bus (US) Inc. (Nova Bus) is recalling certain 2019-2024 LFS and 2019-2023 LFS Artic buses. The auxiliary heater module may allow contaminants to enter the electronic controller, which can cause an electrical short. Additionally, the auxiliary heater may fail, causing the defrosting system to not function properly.
Safety consequence
An electrical short circuit can increase the risk of a fire. Additionally, a windshield defrosting system that does not function properly can decrease the driver's visibility, increasing the risk of a crash.
Manufacturer remedy
Nova Bus will the auxiliary heater air intake, free of charge. Owner notification letters were mailed January 28, 2025. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus's number for this recall is CR5637.
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.
Sources
Official NHTSA notice for recall 24V657000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.