DCT (Dual Clutch Transmission) System

Troubleshooting

~2min read

Troubleshooting

Symptom of Malfunction Probable Cause Remedy
Warning lamp "E" is illuminated
(Driving is possible only in gear 1/R)
DCT learning not performed Perform the DCT manual learning procedure.
Unable to drive in odd gears Clutch actuator (clutch motor 1 or position sensor 1 malfunction) Replace the clutch actuator assembly
Gear actuator (motor 1 or position sensor 1 malfunction) Replace the gear actuator assembly
Input speed sensor 1 malfunction Replace the input speed sensor
Faulty gear (1, 3, 5, 7) Replace the gear
Faulty clutch 1 Replace the dual clutch assembly
Faulty clutch release bearing 1 Replace the clutch release bearing assembly
Unable to drive in even gears Clutch actuator (clutch motor 2 or position sensor 2 malfunction) Replace the clutch actuator assembly
Gear actuator (motor 2 or position sensor 2 malfunction) Replace the gear actuator assembly
Input speed sensor 2 malfunction Replace the input speed sensor
Faulty gear (2, 4, 6, R) Replace the gear
Faulty clutch 2 Replace the dual clutch assembly
Faulty bearing 2 Replace the clutch release bearing 2 assembly.
Unable to control TCM malfunction Replace the engine control module
Simultaneous odd/even system malfunction Replace the dual clutch assembly or gear
Simultaneous malfunction of lock switch / shift lever sensor Replace the lock switch
Unable to shift manually Inhibitor switch malfunction Replace the lock switch
Shift lever sensor malfunction Replace the shift lever
Manual shift mode malfunction Replace the manual shift mode switch housing
Noise Oil level (low) Inspect the parts (seal, drain plug, filler plug), then add oil to the transmission.
Oil (incorrect) 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) Check the oil level
Gasket (damaged) Replace the gasket
Seal (damaged) Replace the seal
Hard shifting or unable to shift Oil (incorrect) 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

Test yourself

A quick Hyundai Kona quiz: every answer comes with an explanation and a link to the manual page.