Hyundai Santa Fe: Automatic Transaxle Control System / Repair procedures

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Automatic Transaxle System (SBC) / Automatic Transaxle Control System / Repair procedures

TCM Learning
Overview and purpose of learning
The purpose is to ensure the initial operation safety by correcting the oil pressure differences between transmissions.
For relearning of TCM, process relearning by deleting existing contents using diagnostic tool when there is shift shock at gears 1-2-3-4-5-6.
In the following case, TCM learning is required.
Automatic transaxle assembly replacement
TCM replacement
TCM upgrade
TCM learning procedure
Condition : ATF temperature 35 - 95°C (95 - 203°F)
Stop learning
- Repeat the shift pattern shown below five times or more with the brake stepped on.

Driving relearn
- Maintain the throttle open to a constant level with the gear in D position and increment from 1st to 5th gear within 1500 ~ 2500 RPM of engine and decelerate slowly.
With (ON, throttle opening: 0%), decrement from 6th to 1st gear.
- Upshift throttle opening : 15 - 35% (a proper value for making upshift within 1500 - 2500RPM of engine)

    Description and operation

    Description • Automatic transaxle system relies on various measurement data to determine the current control status and extrapolate the necessary compensation values...

    Transaxle Control Module (TCM). Description and operation

    Description • Monitoring the vehicle's operating conditions to determine the optimal gear setting. • Performing a gear change if the current gear setting differs from the identified optimal gear setting...

    Other information:

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    Interior Overview

    1. Inside door handle
    2. Power window switches
    3. Power window lock button/Electronic child safety lock button
    4. Side view mirror folding button
    5. Side view mirror control switch
    6. Central door lock switch
    7. Instrument panel illumination control switch

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