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NOVA BUS LFS — recall

Automotive · Canada · 2025-10-09

Nova Bus transit buses: fuel module O-ring failure may cause CNG leak

Country	Canada
Category	Automotive
Published	2025-10-09
Manufacturer	NOVA BUS
Models affected	LFS
Model year	2022 2023 2024 2025
Units affected	395
Defect	On certain transit buses, the O-ring for the fuel management module could fail and cause a compressed natural gas (CNG) leak. If this happens, the gas detection alarm could cause the engine to shut down._x000D_ Note: This recall only affects buses equipped with a CNG engine._x000D_ A sudden loss of power to the wheels could increase the risk of a crash. A bus that is disabled could result in a transfer of passengers in an uncontrolled environment, which may create a risk of injury.
Component	Fuel System
Remedy	Nova Bus will notify owners by mail and provide you with instructions for how to replace the O-ring in the fuel management module.
Recall number	2025-540
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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