The defect
Nova Bus (US) Inc. (Nova Bus) is recalling certain 2021 and 2024-2025 LFS transit buses. The impeller shaft may be loose, causing the cooling pump to fail.
The risk
A cooling pump failure can cause a loss of drive power, increasing the risk of a crash.
The remedy
Nova Bus will inspect and replace the pump as necessary, free of charge. Owner notification letters were mailed February 3, 2026.Owners may contact Nova Bus customer service at 1-450-472-6410. Nova Bus' number for this recall is CR5803. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning January 27, 2026.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Nova Bus LFS | 2021, 2024, 2025 |
Components: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Nova Bus LFS | 2021 | 0 | 23 |
| Nova Bus LFS | 2024 | 0 | 13 |
| Nova Bus LFS | 2025 | 0 | 5 |
Other engine and engine cooling recalls in 2025
28 of the 891 recall campaigns reported to NHTSA in 2025 concerned the engine and engine cooling; Nova Bus (US) Inc. filed 55 campaigns in all.
| 25V891000 18 Dec 2025 | Honda (American Honda Motor Co.) |
| 25V892000 18 Dec 2025 | Honda (American Honda Motor Co.) |
| 25V825000 1 Dec 2025 | KTM North America, Inc. |
| 25V798000 18 Nov 2025 | Kawasaki Motors Corp., U.S.A. |
| 25V778000 12 Nov 2025 | Yamaha Motor Corporation, USA |
| 25V767000 6 Nov 2025 | Toyota Motor Engineering & Manufacturing |
| 25V720000 23 Oct 2025 | Chrysler (FCA US, LLC) |
| 25V716000 21 Oct 2025 | Ferrari North America, Inc. |
NHTSA recalls (public domain) · all recalls of 2025