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Home >> Hyundai >> 2018 >> Santa Fe XL Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle Control System >> Transaxle Control Module (TCM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

CAUTION: When installing a used TCM on a vehicle with immobilizer, the following procedure must be performed.
[In the case of installing used TCM] 
  1. Perform "TCM Neutral mode" procedure with GDS.

    (Refer to "IMMOBILIZER SYSTEM ")

  2. After finishing "TCM Neutral mode", perform "Key teaching" procedure with GDS.

    (Refer to "TEACHING PROCEDURES ")


[In the case of installing new TCM] 
Perform "Key teaching" procedure with GDS.
(Refer to "TEACHING PROCEDURES ")
CAUTION: When replacing the TCM on a vehicle equipped with the smart key system (Button Start), the following procedure must be performed.
[In the case of installing used TCM] 
  1. Perform "TCM Neutral mode" procedure with GDS.

    (Refer to "IMMOBILIZER SYSTEM ")

  2. After finishing "TCM Neutral mode", insert the key (or press the start button) and turn it to the IGN ON and OFF position. Then the TCM learns the smart key information automatically.

[In the case of installing new TCM] 


Insert the key (or press the start button) and turn it to the IGN ON and OFF position. Then the TCM learns the smart key information automatically.
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnect the TCM Connector (A).
    G12034254Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the battery.

    (Refer to "BATTERY ")

  4. Remove the air cleaner assembly.

    (Refer to "AIR CLEANER ")

  5. Remove the mounting bolts (A) and nut (B), and then remove the TCM (C).
    G12034255Courtesy of HYUNDAI MOTOR AMERICA
  6. After removing the installation nuts (A) and screws (B), remove the TCM (C) from the bracket.
G12034256Courtesy of HYUNDAI MOTOR AMERICA