| Description |
| • |
Monitors the vehicle's operating conditions to determine the optimal gear setting. |
| • |
Performs a gear change if the current gear setting differs from the identified optimal gear setting. |
| • |
Determines the need for Damper Clutch (D/C) activation and engages the clutch accordingly. |
| • |
Calculates the optimal line pressure level by constantly monitoring the torque level and adjusts the pressure accordingly. |
| • |
Diagnoses the automatic transaxle for faults and failures. |

Repair procedures
Transaxle Control Module (TCM) Schematic DiagramsHyundai Elantra AD (2016-2020) Service Manual: TJ Joint Repair procedures
Disassembly
•
Special grease must be applied to the driveshaft joint. Do not substitute with another type of grease.
•
The boot band should be replaced with a new one.
1.
Remove the Front Driveshaft.
(Refer to Driveshaft Assembly - "Front Driveshaft") ...
Hyundai Elantra AD (2016-2020) Owners Manual: Front Seats
WARNING
Take the following precautions when adjusting your seat:
NEVER attempt to adjust the seat while the vehicle is moving. The seat
could respond with unexpected movement and may cause loss of vehicle control
resulting in an accident.
Do not place anything under the front seats. Loo ...