DCT (Dual Clutch Transmission) System
Troubleshooting
In this manual: DCT (Dual Clutch Transmission) System
~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.
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