2016 Hyundai Veloster Base, Standard TransFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Removal

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

Then 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 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
    G10607905Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the Battery (Refer to: "Charging System" in EM procedure).
  4. Remove the Mounting Bolts and Nut and then remove the ECM Bracket Assembly (A).
    Fig 2: Removing ECM Bracket Assembly Mounting Bolt And Nut
    G10607906Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the ECM (B) after removing 4 nuts (A) from the Bracket.
Fig 3: ECM Bracket Nuts
G10607907Courtesy of HYUNDAI MOTOR AMERICA
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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.