| 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) Owners Manual: Auto Door Lock/ Unlock Features
Impact sensing door unlock
All doors will be automatically unlocked when an impact causes the air bags to
deploy.
Speed sensing door lock
All doors will be automatically locked when vehicle speed exceeds 9 mph (15 km/h).
All of the doors will be automatically unlocked after the engine is turne ...
Hyundai Elantra AD (2016-2020) Service Manual: Seat Heater Switch Schematic Diagrams
Circuit Diagram
[Front Seat Heater Switch (Driver)]
[Front Seat Heater Switch (Passenger)]
[Rear Seat] ...