Immobilizer System DTCS
WARNING: This page is about a different car, the 2016 Hyundai Sonata and 2015 Hyundai Sonata. However, it is still accessible from the selected car via links, so may be relevant.
IMMOBILIZER SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC | Description |
|---|---|
| DTC P1677 | Immobilizer-EMS VIN Data Error (EMS has different VIN) |
| DTC P1678 | Immobilizer-EMS No Request (EMS data line open, no immo.) |
| DTC P1688 | Immobilizer Lock |
| DTC P1691 | Immobilizer-Antenna Coil Error |
| DTC P1693 | Immobilizer-Transponder Error |
| DTC P1698 | Immobilizer-Invalid TP (TP has different PIN) |