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 MANUALSHYUNDAI2014SONATA HYBRIDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 66 (MOTOR DRIVEN POWER STEERING DIAGNOSIS (EXCEPT HEV))DIAGNOSTIC TROUBLE CODE INDEX
2014 Hyundai Sonata Hybrid
Diagnostic Trouble Code Index
2014 Hyundai Sonata HybridSECTION Diagnostic Trouble Code Index
WARNING: This page is about a different variant/trim than selected.
DIAGNOSTIC TROUBLE CODES
| DTC | Description |
|---|---|
| DTC C1101 | Battery Voltage High |
| DTC C1102 | Battery Voltage Low |
| DTC C1109 | IGN Signal Error |
| DTC C1259 | Steering Angle Sensor - Electrical Malfunction |
| DTC C1261 | Steering Angle Sensor Not Calibrated |
| DTC C1290 | Torque Sensor Signal Error |
| DTC C1603 | MDPS Thermal Protection |
| DTC C1604 | ECU Hardware Error |
| DTC C1611 | CAN Time-out ECM |
| DTC C1616 | CAN Bus Off |
| DTC C1622 | Vehicle Speed Signal Error |
| DTC C1700 | Byte Coding Error |
| DTC C1702 | Variant Coding Error |
| DTC C1704 | ECU Fail-Safe Relay Fault |
| DTC C1705 | EPS Module (pre-charge circuit) Malfunction |
| DTC C2400 | Motor Fault - Motor Not Running |
| DTC C2401 | Motor Position Sensor Error |
| DTC C2412 | Motor Short or Open |
| DTC C2413 | Motor Current Error |
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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.