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 MANUALSHYUNDAI2014EQUUS SIGNATUREREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXELECTRONIC CONTROL SUSPENSION DTCS
2014 Hyundai Equus Signature
Electronic Control Suspension DTCS
2014 Hyundai Equus SignatureSECTION Electronic Control Suspension DTCS
ELECTRONIC CONTROL SUSPENSION DIAGNOSTIC TROUBLE CODE DESCRIPTION
| DTC | Description |
|---|---|
| DTC C1101 | Battery Voltage High |
| DTC C1102 | Battery Voltage Low |
| DTC C1230 | Pressure sensor |
| DTC C1243 | Height Sensor - Front Left |
| DTC C1246 | Height Sensor Supply Voltage Failure - LH |
| DTC C1247 | Height Sensor - Front Right |
| DTC C1250 | Height Sensor Supply Right/Pressure Sensor General Electrical Failure |
| DTC C1251 | Height Sensor - Rear Left |
| DTC C1255 | Height Sensor - Rear Right |
| DTC C1260 | Steering Angle Sensor Circuit-Signal |
| DTC C1278 | G - Sensor (Front Left) |
| DTC C1279 | G - Sensor (Front Right) |
| DTC C1281 | G - Sensor (Rear) |
| DTC C1284 | G - Sensor Voltage Failure |
| DTC C1502 | ECS Switch Fault |
| DTC C1514 | Valve Switch-ON Time Exceeded |
| DTC C1525 | ECS Switch Signal Open/Short |
| DTC C1604 | ECU Hardware Error |
| DTC C1611 | CAN Time-out ECM |
| DTC C1612 | CAN Time-out TCU |
| DTC C1616 | CAN Bus off |
| DTC C1620 | 1st Set-up Not Completed(Height Sensor Not Calibrated) |
| DTC C1623 | CAN Time-out Steering Angle Sensor |
| DTC C1625 | CAN Time-out ABS/ESC(ESP) |
| DTC C1640 | CAN CLU3 message failure |
| DTC C1641 | CAN signal error ECM |
| DTC C1642 | CAN Message Failure - ABS/ESC (ESP) |
| DTC C1646 | CAN Message Failure - TCU |
| DTC C1702 | Variant Coding Error |
| DTC C1706 | A Vehicle Body Distortion |
| DTC C1707 | A Vehicle Body Lopsidedness |
| DTC C1708 | Level Control Disabled |
| DTC C1709 | Level Control Out of Range/Target Level not Applicable |
| DTC C1710 | Assembly-line Setup is still Active |
| DTC C2108 | Compressor Relay |
| DTC C2203 | CDC Actuator Failure - Front Left |
| DTC C2204 | CDC Actuator Failure - Front Right |
| DTC C2205 | CDC Actuator Failure - Rear Left |
| DTC C2206 | CDC Actuator Failure - Rear Right |
| DTC C2302 | Solenoid Valve Failure - Front Left |
| DTC C2303 | Solenoid Valve Failure - Front Right |
| DTC C2306 | Solenoid Valve Failure - Rear Left |
| DTC C2307 | Solenoid Valve Failure - Rear Right |
| DTC C2338 | Reverse Valve 1 Failure |
| DTC C2339 | Reverse Valve 2 Failure |
| DTC C2342 | Ambience Valve Failure |
| DTC C2409 | Compressor Overtemperature |
RENDER: 1.0x
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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.