# NHTSA recall 24V657000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: NHTSA \(United States\)
- Campaign number: 24V657000
- Manufacturer's number: CR5637
- Manufacturer: Nova Bus \(US\) Inc.
- Reported: 2024\-09\-09
- Owners notified: 2025\-01\-28
- Component: EQUIPMENT:ELECTRICAL; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT
- Units potentially affected: 208
- Part numbers: N97496, N94477

## What is wrong

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.


## What can happen

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.


## The 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.


## Remedy progress the manufacturer reported

- Report: Quarterly report 6, for 2026 quarter 2
- Filed with NHTSA: 2026\-07\-30
- Vehicles in the campaign: 208
- Reported remedied: 131 \(62%\)
- Reported unreachable: 0
- Reported removed: 0

These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 2, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026\-10\-19.

## Vehicles this campaign lists

- [2019 NOVA BUS LFS](/makes/novabus/lfs/2019/recalls.md). Built 2019\-10\-18 to 2024\-06\-21.
- [2020 NOVA BUS LFS](/makes/novabus/lfs/2020/recalls.md). Built 2019\-10\-18 to 2024\-06\-21.
- [2021 NOVA BUS LFS](/makes/novabus/lfs/2021/recalls.md). Built 2019\-10\-18 to 2024\-06\-21.
- [2022 NOVA BUS LFS](/makes/novabus/lfs/2022/recalls.md). Built 2019\-10\-18 to 2024\-06\-21.
- [2023 NOVA BUS LFS](/makes/novabus/lfs/2023/recalls.md). Built 2019\-10\-18 to 2024\-06\-21.
- [2024 NOVA BUS LFS](/makes/novabus/lfs/2024/recalls.md). Built 2019\-10\-18 to 2024\-06\-21.
- [2019 NOVA BUS LFS ARTIC](/makes/novabus/lfs/2019/recalls.md). Built 2019\-06\-04 to 2023\-10\-16. Listed as a series or trim of this model.
- [2020 NOVA BUS LFS ARTIC](/makes/novabus/lfs/2020/recalls.md). Built 2019\-06\-04 to 2023\-10\-16. Listed as a series or trim of this model.
- [2021 NOVA BUS LFS ARTIC](/makes/novabus/lfs-artic/2021/recalls.md). Built 2019\-06\-04 to 2023\-10\-16.
- [2022 NOVA BUS LFS ARTIC](/makes/novabus/lfs-artic/2022/recalls.md). Built 2019\-06\-04 to 2023\-10\-16.
- [2023 NOVA BUS LFS ARTIC](/makes/novabus/lfs-artic/2023/recalls.md). Built 2019\-06\-04 to 2023\-10\-16.

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [FT5545](/bulletins/10252138.md), 2024-03-29, Service bulletin
- [BS5495E](/bulletins/10250590.md), 2024-02-24, Service bulletin
- [FT5509](/bulletins/10248056.md), 2024-01-02, Service bulletin
- [BS5441E](/bulletins/10244335.md), 2023-10-29, Service bulletin
- [FT5455](/bulletins/10242849.md), 2023-09-26, Service bulletin
- [BS5388E](/bulletins/10233284.md), 2023-04-03, Service bulletin
- [FT5385](/bulletins/10233276.md), 2023-04-03, Service bulletin
- [FT5391](/bulletins/10233275.md), 2023-04-03, Service bulletin
- [FT5386](/bulletins/10233273.md), 2023-04-03, Service bulletin
- [BS5357E](/bulletins/10233270.md), 2023-04-03, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/24V657000](/v1/recalls/nhtsa/24V657000)

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