# NHTSA recall 21V187000

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: 21V187000
- Manufacturer: ARBOC Specialty Vehicles, LLC
- Reported: 2021\-03\-18
- Owners notified: 2021\-04\-05
- Component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ENGINE
- Units potentially affected: 41
- Part numbers: 5670637

## What is wrong

ARBOC Specialty Vehicles, LLC \(ARBOC\) is recalling certain 2018\-2021 Spirit of Equess buses equipped with Cummins Westport Inc. B6.7N natural gas engines. The engine control module software may be calibrated incorrectly, causing the engine to not limit engine speed or torque as intended for certain safety\-related functions such as vehicle braking, traction and stability control, speed control, or collision avoidance.


## What can happen

If safety\-related functions such as vehicle braking, stability, speed, and collision avoidance do not function properly, it can increase the risk of a crash.


## The remedy

ARBOC will work with the engine manufacturer, Cummins, Inc., to notify owners, and Cummins dealers will recalibrate the engine control module, free of charge.  The recall began April 5, 2021.  Owners may contact ARBOC customer service at 1\-866\-953\-5555.


## 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.


## Vehicles this campaign lists

- [2018 ARBOC SPIRIT OF EQUESS](/makes/arboc/spirit-of-equess/2018/recalls.md)
- [2019 ARBOC SPIRIT OF EQUESS](/makes/arboc/spirit-of-equess/2019/recalls.md)
- [2020 ARBOC SPIRIT OF EQUESS](/makes/arboc/spirit-of-equess/2020/recalls.md)
- [2021 ARBOC SPIRIT OF EQUESS](/makes/arboc/spirit-of-equess/2021/recalls.md)

## 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/21V187000](/v1/recalls/nhtsa/21V187000)

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