Hyundai Elantra (CN7): 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, 7) | 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 transmission.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Blower Unit
Components and components location Component Location1. Blower unit assemblyComponents1. Blower unit assebmly2. Blower upper cover [LH]3. Duct seal4. Blower upper cover [RH]5. Intake actuator6. Air filter cover7. Intake door8. Air filter9. Blower upper case10.
Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation
DescriptionRear Corner Radar is a system that measures the relative speed and distance from the following vehicles by using two electromagnetic wave radar sensors attached to the rear bumper, and detects any vehicle within the blind spot zone and gives off alarm.
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