HCU Variant Coding
WARNING: This page is about a different car, the 2018 Hyundai Ioniq. However, it is still accessible from the selected car via links, so may be relevant.
- Turn the ignition switch OFF.
- Connect the KDS/GDS to Data Link Connector (DLC).
Turn the ignition switch ON.
- Select "Vehicle, Model year, Engine, System".
- Select "Vehicle S/W Management".
- Select "HCU Variant Coding".
 Courtesy of HYUNDAI MOTOR AMERICA
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