# NHTSA recall 18V670000

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: 18V670000
- Manufacturer's number: CR4437
- Manufacturer: Nova Bus
- Reported: 2018\-09\-26
- Owners notified: 2018\-10\-05
- Component: POWER TRAIN:AUTOMATIC TRANSMISSION
- Units potentially affected: 2

## What is wrong

Nova Bus \(Nova\) is recalling certain 2017 Nova Bus LFS Hybrid and LFS Arctic Hybrid transit buses equipped with certain Allison transmission hybrid drive units.  The pressure switches on these drive units may fail, possibly resulting in a loss of drive.


## What can happen

A loss of drive can disable the vehicle unexpectedly, increasing the risk of a crash.


## The remedy

Nova will notify owners, and Allison Transmission service centers will replace the C1 and C2 pressure switches, free of charge.  The recall began October 5, 2018.  Owners may contact Nova customer service at 1\-800\-350\-6682.  Nova's number for this recall is CR4435.


## 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.safercar.gov.


## Remedy progress the manufacturer reported

- Report: Quarterly report 5, for 2019 quarter 4
- Filed with NHTSA: 2019\-10\-29
- Vehicles in the campaign: 2
- Reported remedied: 2 \(100%\)
- Reported unreachable: 0
- Reported removed: 0

These are the manufacturer's totals for the whole campaign at the end of 2019 quarter 4, 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

- [2017 NOVA BUS LFS](/makes/novabus/lfs/2017/recalls.md). Built 2017\-05\-31 to 2017\-06\-14.
- [2017 NOVA BUS LFS ARTIC](/makes/novabus/lfs/2017/recalls.md). Built 2017\-05\-31 to 2017\-06\-14. Listed as a series or trim of this model.

## Bulletins for the same vehicles and component

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

- [PC1025R2](/bulletins/10205864.md), 2022-01-03, Service bulletin
- [FT4795](/bulletins/10173782.md), 2020-04-13, 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/18V670000](/v1/recalls/nhtsa/18V670000)

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