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Home >> Hyundai >> 2012 >> Veloster Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Automatic Transaxle Control System) >> Transaxle Control Module (TCM) >> Repair Procedures >> Replacement
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Repair Procedures: Replacement

WARNING: This page is about a different car, the 2014 Hyundai Veloster and 2013 Hyundai Veloster. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When replacing the Transaxle Control Module (TCM), the vehicle equipped with immobilizer must be performed the procedure as below.
[In the case of installing used TCM]
  1. Perform "TCM neutralization mode" procedure with GDS.
  2. Insert the key and turn it to the IGN ON and OFF position.

Then the TCM key register process is completed automatically.
[In the case of installing new TCM]- Insert the key and turn it to the IGN ON and OFF position.
Then the TCM key register process is completed automatically.
  1. Turn ignition switch OFF.
  2. Disconnect the negative (-) battery cable.
  3. Disconnect the TCM connector (A).
    Fig 1: Identifying TCM Connector
    G09150595Courtesy of HYUNDAI MOTOR AMERICA
  4. Remove the TCM (A) after removing the mounting bolts and nut.

    TCM installation bolt/nut: 

    9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

    Fig 2: Identifying TCM
    G09150596Courtesy of HYUNDAI MOTOR AMERICA