Kia Niro: DCT(Dual Clutch Transmission) System / Troubleshooting

Troubleshooting
Trouble symptom
Probable cause
Remedy
Warning lamp ""E"" is illuminated(Driving is only possible with 1/R gear)
DCT learning not performed
Perform the DCT manual learning procedure.
Driving impossible at odd gear
Clutch actuator (Clutch motor 1 or position sensor 1 is faulty)
Replace the clutch actuator assembly.
Gear actuator (Shift motor 1, position sensor 1, select solenoid 1 or position sensor 1 is faulty)
Replace the gear actuator assembly.
Input speed sensor 1 is faulty
Replace the input speed sensor.
Faulty gears (1, 3, 5)
Replace the gear.
Faulty clutch 1
Replace the dual clutch assembly.
Faulty clutch engagement bearing 1
Replace the clutch engagement bearing
Driving impossible at even gear
Clutch actuator (Clutch motor 2 or position sensor 2 is faulty)
Replace the clutch actuator assembly.
Gear actuator (Shift motor 2, position sensor 2, select solenoid 2 or position sensor 2 is faulty)
Replace the gear actuator assembly.
Input speed sensor 2 is faulty
Replace the input speed sensor.
Faulty gears (2, 4, 6, R)
Replace the gear.
Faulty clutch 2
Replace the dual clutch assembly.
Faulty clutch engagement bearing 2
Replace the clutch engagement bearing
Driving impossible
Faulty TCM
Replace the TCM.
Simultaneous failure of odd & even systems
Replace the dual clutch assembly or gear.
Simultaneous failure of inhibitor switch & shift lever sensor
Replace the inhibitor switch.
Manual mode disabled
Faulty inhibitor switch
Replace the inhibitor switch.
Faulty shift lever sensor
Replace the shift lever.
Noise
Oil level (Low)
Refill the transmission with oil after inspecting the parts (oil, seal, drain plug, and filler plug).
Oil (Wrong type)
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 leakage
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 type)
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 Name / Number Illustration Description Engine support fixture (bar) 09200-3N000 ...

DCT(Dual Clutch Transmission) System
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