Hyundai Elantra: Automatic Transaxle Control System / 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 learning is required.
Transaxle assembly replacement
TCM replacement
TCM upgrading
TCM learning procedure
1.
Automatic Transaxle Fluid (ATF) temperature: 40 ~ 100 °C (104 ~ 212 °F)
2.
Static learning
Repeat the below shift pattern four times or more with stepping on the brake.

3.
Driving learning
Drive the vehicle from a stop in D through all gears 1st, 2nd, 3rd, 4th, 5th and 6th gear while holding the throttle steady at the specified Throttle Position Sensor (TPS) value (15 ~ 25%).
Schematic Diagrams
Circuit Diagram ...

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 optima ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: LKA System Function Change
The driver can change LKA to Lane Departure Warning from the LCD display. Go to the 'User Settings → Driver Assistance → Lane Safety → Active LKA/Lane Keeping Assist /Lane Departure Warning/Off'. Active LKA The Active LKA mode provides more frequent steering wheel control in comp ...

Hyundai Elantra AD (2016-2020) Service Manual: Output Speed Sensor Description and Operation
Description The output speed sensor is a vital unit that measures the rate of rotation of the transaxle's turbine shaft and output shaft, and delivers the readings to the TCM. The sensor provides critical input data that's used in feedback control, damper clutch control, gear setting co ...

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