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NHTSA·Commercial vehicles·September 3, 2026

Nova Bus recalls 2022–2024 LFS and 2023–2024 LFS Artic buses over coolant sensor that can shut off engine

The coolant sensor can send a false signal that makes the engine shut down without warning, which can raise the risk of a crash and of injury when passengers are moved off the disabled bus.

What to do

Nova Bus will inspect the coolant sensor and replace it if needed, free of charge, and owners will get letters starting around November 2, 2026. Owners can call Nova Bus customer service at 1-800-350-6682 and mention recall number CR5936; buses fixed under the earlier recall 24V873 need the new repair too.

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NHTSA recall page

Recall details

Product
Nova Bus Lfs, Lfs Artic 2022–2024
Company
Nova Bus (US) Inc.
Hazard
An unexpected engine shut down can increase the risk of a crash. Additionally, transferring passengers from the disabled bus can increase the risk of injury.
Units
928 vehicles
Reported to NHTSA
September 3, 2026
Identifiers
  • NHTSA campaign number: 26V573000
  • Manufacturer campaign number: CR5936
  • Model years: 2022–2024

The headline, summary and steps above are written in plain English from the official notice below. Identifiers are copied exactly as the agency published them. Always check the official notice before you act.

Official notice

The notice's own wording from NHTSA.

Component
ENGINE AND ENGINE COOLING:COOLING SYSTEM
Defect
Nova Bus (US) Inc. (Nova Bus) is recalling certain 2023-2024 LFS Artic and 2022-2024 LFS buses. The coolant sensor could send a false signal, causing the engine to shut down.
Consequence
An unexpected engine shut down can increase the risk of a crash. Additionally, transferring passengers from the disabled bus can increase the risk of injury.
Corrective action
Nova Bus will inspect and replace the coolant sensor as necessary, free of charge. Owner notification letters are expected to be mailed November 2, 2026. Owners may contact Nova Bus customer service at 1-800-350-6682. Nova Bus's number for this recall is CR5936. This recall supersedes Recall 24V873. Vehicles repaired under the previous recall will need the new repair completed.

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