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HOMESERVICE MANUALSHYUNDAI2014SONATA HYBRID BASEREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSAXLE CONTROL SYSTEM (HEV)TRANSAXLE CONTROL MODULE (TCM)REPAIR PROCEDURESREMOVAL
2014 Hyundai Sonata Hybrid Base

Repair Procedures: Removal

2014 Hyundai Sonata Hybrid BaseSECTION Removal
NOTE: When replacing the TCM, the vehicle equipped with immobilizer must be performed the procedure as below.

[In the case of installing used TCM]

  1. Perform "Neutral mode" procedure with GDS. (Refer to TEACHING MODE PROCEDURE DESCRIPTION (STEP BY STEP) )
  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 and disconnect the negative (-) battery cable.
  2. Disconnect the TCM Connector (A).
    Fig 1: Identifying TCM Connector
    G00535018Courtesy of HYUNDAI MOTOR CO.
  3. Remove the air cleaner assembly.

    (Refer to "INTAKE AND EXHAUST SYSTEM " )

  4. Remove the mounting bolts (A)/nut (B), and then remove the TCM (C).
    Fig 2: Identifying TCM, Mounting Bolts And Nuts
    G00535019Courtesy of HYUNDAI MOTOR CO.
RENDER: 1.0x

NO RELATED

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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.