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April 28, 2023 Service bulletin

Charging interruptions during hydrogen charging due to sensitive leak detection logic diagnostic conditions

Hyundai technical service bulletin 23-01-040H for 2022 Hyundai Nexo.

Bulletin number
23-01-040H
Component
Fuel system, other
Summary
Some NEXO (FE) vehicles may exhibit charging interruptions during hydrogen charging due to sensitive leak detection logic diagnostic conditions. This bulletin outlines the procedure to update the HMU controller software and replace the PRV (Pressure Relief Valve).

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