The Recall Desk
Our severity:HighNHTSA·25E012000·Announced 2025-02-19

Nova Bus Recalls Casco Engine Coolant Level Sensors

Nova Bus is recalling 223 Casco engine coolant level sensors that may send false signals, causing unexpected engine shutdowns and increasing crash risk.

What this means for you

Our assessment, not the agency’s: severity 3/5 (High).

Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.

Our severity reasoning: The recall involves a structural vehicle defect (engine shutdown) that increases the risk of a crash, but no specific injuries or fatalities are reported in the source text, fitting the 'High' severity criteria for risk-of-harm products where injury has not yet been reported.

Plain-English summary

Nova Bus (US) Inc. is recalling certain Casco engine coolant level sensors with part number N108036. The recall affects 223 vehicles. The defect involves the coolant sensor potentially sending a false signal, which can cause the engine to shut down unexpectedly.

An unexpected engine shutdown can increase the risk of a crash. Additionally, the need to transfer passengers from a disabled bus can increase the risk of injury.

Nova Bus will replace the coolant sensor as necessary, free of charge. Owner notification letters are expected to be mailed on July 24, 2025. Owners may contact Nova Bus customer service at 800-350-6682 or the NHTSA Vehicle Safety Hotline at 888-327-4236.

The recalled product

Product
ENGINE AND ENGINE COOLING:COOLING SYSTEM recall
Manufacturer
Nova Bus (US) Inc.
Category
Vehicle — Engine Cooling System
Hazard
Affected units
223

Distribution

Distributed nationwide across the United States.

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