The defect
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.
The risk
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Arboc Spirit OF Equess | 2018, 2019, 2020, 2021 |
Components: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE | ENGINE
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Arboc Spirit OF Equess | 2018 | 0 | 1 |
| Arboc Spirit OF Equess | 2019 | 0 | 1 |
| Arboc Spirit OF Equess | 2020 | 0 | 1 |
| Arboc Spirit OF Equess | 2021 | 0 | 1 |
Other engine and engine cooling recalls in 2021
30 of the 988 recall campaigns reported to NHTSA in 2021 concerned the engine and engine cooling; ARBOC Specialty Vehicles, LLC filed 17 campaigns in all.
| 21V00G000 22 Dec 2021 | Alamo Group Inc. |
| 21V987000 16 Dec 2021 | Honda (American Honda Motor Co.) |
| 21V927000 25 Nov 2021 | Lamborghini (Automobili Lamborghini) |
| 21V865000 5 Nov 2021 | Yamaha Motor Corporation, USA |
| 21V843000 29 Oct 2021 | Mercedes-Benz USA, LLC |
| 21V837000 25 Oct 2021 | Navistar, Inc. |
| 21V838000 25 Oct 2021 | Navistar, Inc. |
| 21V819000 18 Oct 2021 | Kawasaki Motors Corp., U.S.A. |
NHTSA recalls (public domain) · all recalls of 2021