KIA Niro: DCT (Dual Clutch Transmission) System - Troubleshooting
Trouble symptom:
Warning lamp ""E"" is illuminated(Driving is only possible with 1/R gear)
Probable cause → Remedy
DCT learning not performed → Perform the DCT manual learning procedure.
Trouble symptom:
Driving impossible at odd gear
Probable cause → Remedy
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
Trouble symptom:
Driving impossible at even gear
Probable cause → Remedy
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
Trouble symptom:
Driving impossible
Probable cause → Remedy
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.
Trouble symptom:
Manual mode disabled
Probable cause → Remedy
Faulty inhibitor switch →Replace the inhibitor switch.
Faulty shift lever sensor →Replace the shift lever.
Trouble symptom:
Noise
Probable cause → Remedy
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.
Trouble symptom:
Oil leakage
Probable cause → Remedy
Oil level (High) → Inspect the oil level.
Gasket (Damaged) → Replace the gasket.
Oil seal (Worn or damaged) → Replace the oil seal.
Trouble symptom:
Hard shifting or impossible to shift
Probable cause → Remedy
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.
READ NEXT:
DCT(Dual Clutch Transmission) Repair procedures
Components Hybrid drive motor assembly DCT (Double Clutch Transmission) assembly Gear actuator assembly DCT support bracket Inhibitor switch Clutch actuator assembly Dual clutch assembly Engine clutch actuator assembly RemovaTransmission Gear Oil Repair procedures
Oil Level Check Inspection Remove the under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover") Remove the oil filler plug (A or B). Check the condition of the oil and make sure that it is at the properSEE MORE:
Emergency tailgate safety release
Operation Insert a long, flat object, such as a key into the opening at the bottom of the tailgate. Slide the latch in the direction of the arrow to unlock the tailgate. Push the tailgate to open. WARNING For emergencies, beHigh Voltage Battery Cooling
Component Location Cooling Fan #1 Cooling Fan #2 Main High Voltage Battery Cooling Duct (Inlet) Main High Voltage Battery Cooling Duct (Outlet) Sub High Voltage Battery Cooling Duct (Inlet) Sub High Voltage Battery Cooling Duct (OuCategories
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