Hyundai Ioniq (AE): DCT(Dual Clutch Transmission) System / Troubleshooting
| Troubleshooting |
|
Trouble symptom
|
Probable cause
|
Remedy
|
| Displayed the warning lamp "E" (Driving is only possible with 1/ R gear) | Not performed DCT learning | Perform the DCT manual learning procedure. |
| Impossible to driving with odd gear | Clutch actuator (Clutch motor 1 or position sensor 1 failure) | Replace the clutch actuator assembly. |
| Gear actuator (Shift motor 1 or position sensor 1 failure, select solenoid 1 or position sensor 1 failure) | Replace the gear actuator assembly. | |
| Input speed sensor 1 failure | Replace the input speed sensor. | |
| Faulty gears (1, 3, 5) | Replace the gear. | |
| Faulty clutch 1 | Replace the dual clutch assembly. | |
| Faulty engagement bearing 1 | Replace the Engagement Bearing Assembly | |
| Impossible to driving with even gear | Clutch actuator (Clutch motor 2 or position sensor 2 failure) | Replace the clutch actuator assembly. |
| Gear actuator (Shift motor 2 or position sensor 2 failure, select solenoid 2 or position sensor 2 failure) | Replace the gear actuator assembly. | |
| Input speed sensor 2 failure | Replace the input speed sensor. | |
| Faulty gears (2, 4, 6, R) | Replace the gear. | |
| Faulty clutch 2 | Replace the dual clutch assembly. | |
| Faulty engagement bearing 2 | Replace the Engagement Bearing Assembly | |
| Impossible to driving | TCM failure | Replace the TCM. |
| Odd / even system simultaneous failure | Replace the dual clutch assembly or gear. | |
| Inhibitor switch / shift lever sensor simultaneous failure | Replace the inhibitor switch. | |
| Impossible to manual mode | Inhibitor switch failure | Replace the inhibitor switch. |
| Shift lever sensor failure | Replace the shift lever. | |
| Manual mod switch failure | Replace the manual mod switch housing. | |
| noise | Oil level (Low) | Refill the oil with transmission after inspecting the parts (Oil seal, Drain plug, Filler plug). |
| Oil (Wrong) | 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) | 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) | 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 Tool (Number and Name) Illustration Use 09200-3N000Engine support fixture(Beam)Removal and installation of the transaxle.
Other information:
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Blower Unit. Repair procedures
Replacement When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.1.Disconnect the negative (-) battery terminal.2.Recover the refrigerant with a recovery / recycling / charging station.
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: General safety information and caution
General Safety Information and CautionBe careful of the following precautions when driving the vehicle using the smart cruise control system. • The smart cruise control system may have limits in detecting distance to the vehicle ahead due to road and traffic conditions.
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