Hyundai Elantra: Automatic Transaxle Control System / Transaxle Control Module (TCM) Description and Operation
| 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
Adjustment
Transaxle Control Module(TCM) Learning
When shift shock is occurred or parts related with the transaxle are replaced, TCM learning should be performed.
In the following case, TCM l ...
Transaxle Control Module (TCM) Schematic Diagrams
TCM Connector and Terminal Function
TCM Terminal Function
Connector [A] Connector [K] PinDescriptionPinDescriptionA1Overdrive clutch control solenoid valve(OD/C_VFS)K8FLEXRAY COMM. Signal HIGHA5 ...
Other information:
Hyundai Elantra AD (2016-2020) Service Manual: Master Cylinder Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the battery.
(Refer to Engine Electrical System - "Battery")
3.
Remove the ECM (A).
4.
Loosen the mounting bolts (A) and then remova the ECM bracket (B).
5.
Disconnect the brake fluid l ...
Hyundai Elantra AD (2016-2020) Owners Manual: DCT warning messages
Steep grade
This warning message is displayed when vehicle is driven slowly on a grade and
the vehicle detects that the brake pedal is not applied. Driving up hills or on
steep grades:
To hold the vehicle on an incline use the foot brake or the parking brake.
When in stop-and-go traffic ...
