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

Kia Niro 2017 (DE HEV) Service Manual / 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.
Manual mode disabled	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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