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Hyundai Motor Company Elec City (CY) Hydrogen Electric Bus — recall

Automotive · South Korea · 2025-05-22

Hyundai Elec City Hydrogen Electric Bus risks hydrogen leakage from pipe.

Country	South Korea
Category	Automotive
Published	2025-05-22
Manufacturer	Hyundai Motor Company
Models affected	Elec City (CY) Hydrogen Electric Bus
Units affected	1390
Defect	Recall due to the possibility of hydrogen leakage if the medium-pressure pipe connection detaches, which can occur if hydrogen cannot be discharged even when overpressure builds up in the medium-pressure pipe, caused by moisture ingress and ice formation through the hydrogen vent protective cap due to its insufficient airtight design.
Component	Other fuel system components
Remedy	Replace the improved hydrogen vent protective cap (1 location) and perform a software update. (If the software update has already been performed through a public free repair implemented on February 10, 2025, only the replacement of the improved hydrogen vent protective cap will be carried out.)
Recall number	K5708
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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