| 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: Driving in the Rain
Rain and wet roads can make driving dangerous. Here are a few things to consider
when driving in the rain or on slick pavement:
Slow down and allow extra following distance. A heavy rainfall makes it
harder to see and increases the distance needed to stop your vehicle.
Turn OFF your Cruis ...
Hyundai Elantra AD (2016-2020) Service Manual: ABS Control Module Repair procedures
Removal
1.
Turn the ignition switch OFF and then disconnect the negative (-) battery cable.
2.
Pull up the lock of the HECU connector (A) , then disconnect the connector.
3.
Remove the brake fluid from the master cylinder reservoir with a syringe.
•
Be sure to ...