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Nova Bus LFS Recall 26V573: Bus Coolant Sensor May Falsely Shut Off Engine

NHTSA campaign 26V573, reported September 3, 2026, 928 vehicles potentially affected.

What this recall means for you

A coolant sensor in certain transit buses can send a false signal, causing the engine to shut down unexpectedly while the bus is operating. An unexpected engine shutdown can increase the risk of a crash. Passengers being moved from a disabled bus can also face a higher risk of injury.

The affected vehicles are 2022 through 2024 Nova Bus LFS buses and 2023 through 2024 LFS Artic buses. Nova Bus will inspect the coolant sensor and replace it as needed, at no cost to the owner. Owner notification letters are expected to be mailed November 2, 2026. Owners with questions can contact Nova Bus customer service at 1-800-350-6682, referencing recall CR5936.

This recall supersedes Recall 24V873. Buses already repaired under that earlier recall will still need the new repair completed. Check your vehicle identification number (VIN) for open recalls and contact an authorized dealer to schedule the free repair.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 26V573Nova Bus (US) Inc.
Component
ENGINE AND ENGINE COOLING:COOLING SYSTEM
Problem
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.
Risk
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.
Remedy
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.

Affected vehicles

Nova Bus LFS202220232024
Nova Bus LFS Artic20232024