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.
2020 Genesis G90 3.3T Premium, AWDFACTORY OEM SERVICE PROCEDURE
Electronic Control Suspension Diagnosis
- DTC Index
- DTC C1101-17: Supply Voltage High (Circuit Voltage Above Threshold)
- DTC C1102-16: Supply Voltage Low (Circuit Voltage Below Threshold)
- DTC C1112-16: External Sensor Source Voltage Low (Circuit Voltage Below Threshold)
- DTC C1112-17: External Sensor Source Voltage High (Circuit Voltage Above Threshold)
- DTC C1274-29: G Sensor Error Signal Invalid
- DTC C1293-11: Wheel Acceleration Sensor Front-LH Short To Ground
- DTC C1293-12: Wheel Acceleration Sensor Front-LH Short To Battery
- DTC C1293-13: Wheel Acceleration Sensor Front-LH Open Circuit
- DTC C1293-29: Wheel Acceleration Sensor Front-LH Signal Invalid
- DTC C1294-11: Wheel Acceleration Sensor Front-RH Short To Ground
- DTC C1294-12: Wheel Acceleration Sensor Front-RH Short To Battery
- DTC C1294-13: Wheel Acceleration Sensor Front-RH Open Circuit
- DTC C1294-29: Wheel Acceleration Sensor Front-RH Signal Invalid
- DTC C1604-44: RAM Failure
- DTC C1604-45: ROM Failure
- DTC C1604-46: Data Flash Failure
- DTC C1604-47: Watch Dog Failure
- DTC C1604-51: Application Software Not Programmed
- DTC C1604-54: Internal Current Measurement Not Calibrated
- DTC C1611-87: CAN Time-Out EMS Missing Message
- DTC C1613-86: CAN Signal Error EMS Signal Invalid
- DTC C1616-88: CAN Bus Off
- DTC C1623-87: CAN Time-Out SAS Missing Message
- DTC C1625-87: CAN Time-Out ABS/ESP Missing Message
- DTC C1642-86: CAN Signal Error ABS/ESP Signal Invalid
- DTC C1702-55: Variant Coding Error
- DTC C1812-87: CAN Time-Out CGW Missing Message
- DTC C1814-86: CAN Signal Error SAS Signal Invalid
- DTC C1860-87: CAN Time-Out IVSS Missing Message
- DTC C1861-86: CAN Signal Error IVSS Signal Invalid
- DTC C2212-13: Front LH Actuator Error (Circuit Open)
- DTC C2212-19: Front LH Actuator Error (Current Above Short)
- DTC C2216-13: Front RH Actuator Error (Circuit Open)
- DTC C2216-19: Front RH Actuator Error (Current Above Short)
- DTC C2220-13: Rear LH Actuator Error (Circuit Open)
- DTC C2220-19: Rear LH Actuator Error (Current Above Short)
- DTC C2224-13: Rear RH Actuator Error (Circuit Open)
- DTC C2224-19: Rear RH Actuator Error (Circuit Open)
Factory Service Tools
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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.
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