Immobilizer System DTCS

WARNING: This page is about a different car, the 2018 Hyundai Accent. 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	EMS VIN DATA ERROR
DTC P1678	EMS NO REQUEST
DTC P1688	IMMOBILIZER LOCK
DTC P1691	ANTENNA ERROR
DTC P1693	TRANSPONDER ERROR
DTC P1698	TRANSPONDER INVALID