2012 Hyundai Veloster Automatic DCT TransFACTORY OEM SERVICE PROCEDURE

Repair procedures: Removal

NOTE: When replacing the ECM, the vehicle equipped with immobilizer must be performed the procedure as below.
[In the case of installing used ECM]
  1. Perform "Neutral mode" procedure with GDS. (Refer to "Immobilizer ")
  2. Insert the key and turn it to the IGN ON and OFF position.

Then the ECM key register process is completed automatically.
[In the case of installing new ECM]
  • Insert the key and turn it to the IGN ON and OFF position.

Then the ECM key register process is completed automatically.
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnect the ECM Connector (A).
    Fig 1: Identifying ECM Connector
    G08807004Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the battery (Refer to "Charging System ").
  4. Remove the mounting bolts and nut, and then remove the ECM bracket assembly (A).
    Fig 2: Identifying ECM Bracket Assembly
    G08807005Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the ECM (B) after removing 4 nuts (A) from the bracket.
    Fig 3: Identifying ECM With Mounting Nuts
    G08807006Courtesy of HYUNDAI MOTOR AMERICA
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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