Hyundai Kona: DCT (Dual Clutch Transmission) System / Troubleshooting

Troubleshooting
Trouble symptom
Probable cause
Remedy
Displayed the warning lamp "E"
(Driving is only possible with 1 / R gear)
Not performed DCT learning
Perform the DCT manual learning procedure
Impossible to driving with odd gear
Clutch actuator (Clutch motor 1 or position sensor 1 failure)
Replace the clutch actuator assembly
Gear actuator (shift motor 1 or position sensor 1 failure)
Replace the gear actuator assembly
Input speed sensor 1 failure
Replace the input speed sensor
Faulty gear (1, 3, 5, 7)
Replace the gear
Faulty clutch 1
Replace the dual clutch assembly
Faulty clutch engagement bearing 1
Replace the clutch engagement bearing assembly
Impossible to driving with even gear
Clutch actuator (clutch motor 2 or position sensor 2 failure)
Replace the clutch actuator assembly
Gear actuator (shift motor 2 or position sensor 2 failure)
Replace the gear actuator assembly
Input speed sensor 2 failure
Replace the input speed sensor
Faulty Gear (2, 4, 6, R)
Replace the gear
Faulty clutch 2
Replace the dual clutch assembly
Faulty engagement bearing 2
Replace the clutch engagement bearing 2 assembly
Impossible to driving
TCM failure
Replace the TCM
Odd / even system simultaneous failure
Replace the dual clutch assembly or gear
Inhibitor switch / shift lever sensor simultaneous failure
Replace the inhibitor switch
Impossible to manual mode
Inhibitor switch failure
Replace the inhibitor switch
Shift lever sensor failure
Replace the shift lever
Manual mod switch failure
Replace the manual mod switch housing
Noise
Oil level (Low)
Refill the oil with transmission after inspecting the parts (Oil seal, Drain plug, Filler plug).
Oil (Wrong)
Replace the oil
Synchronizer ring (Worn or damaged)
Replace the synchronizer ring
Gear (Worn or damaged)
Replace the gear
Bearing (Worn or damaged)
Replace the bearing
Oil leak
Oil level (High)
Inspect the oil level
Gasket (Damaged)
Replace the gasket
Oil seal (Damaged)
Replace the oil seal
Hard shifting or impossible to shift
Oil (Wrong)
Replace the oil
Shift fork (Damaged)
Replace the shift fork
Hub sleeve (Worn or damaged)
Replace the hub sleeve
Gear (Worn or damaged)
Replace the gear
Bearing (Worn or damaged)
Replace the hub bearing

Special service tools
Special Service Tools Tool (Number and Name) Illustration Use 09200-3N000 Engine support fixture (Beam) ...

Dual Clutch Transmission Assembly
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Other information:

Hyundai Kona (OS) 2018-2021 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Remove the ECTS. (Refer to "Removal") 3. After immersing the thermistor of the sensor into engine coolant, measure resistance between the EC ...

Hyundai Kona (OS) 2018-2021 Service Manual: Crash Pad Side Cover Repair procedures
Replacement    • Put on gloves to prevent hand injuries.    • Wh ...

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