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 DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSSMART CRUISE CONTROL SYSTEM DIAGNOSIS
2014 Hyundai Equus Signature
Smart Cruise Control System Diagnosis
2014 Hyundai Equus SignatureSECTION Smart Cruise Control System Diagnosis
- DTC Index
- DTC C1101: Battery Voltage High
- DTC C1102: Battery Voltage Low
- DTC C1202: Wheel Speed Sensor Front-LH Invalid/no Signal
- DTC C1205: Wheel Speed Sensor Front-RH Invalid/no Signal
- DTC C1208: Wheel Speed Sensor Rear-LH Invalid/no Signal
- DTC C1211: Wheel Speed Sensor Rear-RH Invalid/no Signal
- DTC C1260: Steering Angle Sensor Circuit-Signal
- DTC C1283: Yaw Rate & Lateral G Sensor-Signal
- DTC C1360: ESP Irreversible Error
- DTC C1604: ECU Hardware Error
- DTC C1611: CAN Time-out EMS
- DTC C1612: CAN Time-out TCU
- DTC C1616: CAN Bus Off
- DTC C1617: EMS Invalid Engine Speed
- DTC C1620: Alignment Failed
- DTC C1623: CAN Time-out Steering Angle Sensor
- DTC C1625: CAN Time-out ABS/ESP
- DTC C1628: CAN Timeout - Cluster
- DTC C1629: Cluster Invalid Counter
- DTC C1632: Cluster Control Switch Fail
- DTC C1633: Cluster Invalid Displayed Speed
- DTC C1635: TCS Invalid Counter
- DTC C1638: ACC communication error
- DTC C1642: CAN Message Failure - Brake
- DTC C1646: CAN Message Failure - TCU
- DTC C1741: ESC-not available VSM (Check ESC)
- DTC C1742: Variant Error - ESC (Check ESC)
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.