Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHYUNDAI2017SONATA PLUG-IN HYBRIDREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEX (PHEV)LANE DEPARTURE WARNING SYSTEM DTCS
2017 Hyundai Sonata Plug-In Hybrid
Lane Departure Warning System DTCS
2017 Hyundai Sonata Plug-In HybridSECTION Lane Departure Warning System DTCS
LANE DEPARTURE WARNING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC C1101 | Battery Voltage High |
| DTC C1102 | Battery Voltage Low |
| DTC C1532 | LKAS Switch Stuck |
| DTC C1604 | ECU Hardware Error |
| DTC C1606 | ECU Software Error |
| DTC C1611 | CAN Time-out EMS |
| DTC C1612 | CAN No Signal TCU |
| DTC C1616 | CAN Bus OFF(C-CAN) |
| DTC C1623 | CAN Time-out Steering Angle Sensor |
| DTC C1625 | CAN Time-Out ABS/ESP |
| DTC C1628 | CAN Time-out Cluster |
| DTC C1642 | ABS/ESP signal error |
| DTC C1646 | CAN No Signal TCM |
| DTC C1656 | CAN Signal Error Cluster |
| DTC C1672 | Steering Angle Signal Invalid |
| DTC C1702 | Variant Coding Error |
| DTC C1812 | CAN No Signal Gateway |
| DTC C2710 | In Line Test Failure-Not found Lane |
| DTC C2721 | System Calibration Required |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.