Hyundai Sonata: 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, select solenoid 1 or position sensor 1 failure)
Replace the gear actuator assembly.
Input speed sensor 1 failure
Replace the input speed sensor.
Faulty gears (2, 4, 6)
Replace the gear.
Faulty clutch 1
Replace the dual clutch assembly.
Faulty engagement bearing 1
Replace the 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, select solenoid 2 or position sensor 2 failure)
Replace the gear actuator assembly.
Input speed sensor 2 failure
Replace the input speed sensor.
Faulty gears (1, 3, 5, 7, R)
Replace the gear.
Faulty clutch 2
Replace the dual clutch assembly.
Faulty engagement bearing 1
Replace the Engagement Bearing 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 (Worn or damaged)
Replace the oil seal.
Hard shifting or impossible to shift
Oil (Wrong)
Replace the oil.
Shift fork (Worn)
Replace the shift fork.
Synchronizer ring (Worn or damaged)
Replace the synchronizer ring.
Gear (Worn or damaged)
Replace the gear.
Hub sleeve (Worn or damaged)
Replace the hub sleeve.

Special Service Tools
Special Service Tools Tool(Number and Name)IllustrationUse09200-3N000Engine support fixture(Beam)Removal and installation of the transaxle.Use this beam (SST No. : 09200-3N000) with the supporter ...

Dual Clutch Transmission Assembly
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Other information:

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