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Immobilizer System DTCS

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
IMMOBILIZER SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
DTC P1677 00: Immobilizer-EMS VIN Data Error (EMS has different VIN)
DTC P1678 00: Immobilizer-EMS No Request (EMS data line open, no immo.)
DTC P1688 00: Immobilizer Lock
DTC P1691 00: Immobilizer-Antenna Coil Error
DTC P1693 00: Transponder No Response Error_Invalid Response
DTC P1698 00: Immobilizer-Invalid TP (TP has different PIN)