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Home >> Ford >> 2017 >> C-Max Energi Titanium >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Hf35 >> Removal And Installation >> Transmission Control Module (TCM) >> Removal
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Transmission Control Module (TCM): Removal

NOTE: If removing the TCM to install a new TCM, it is not necessary to remove the TCM mounting bracket. If removing the TCM to service another component, it may be necessary to remove the TCM mounting bracket.
    NOTE: This step is only necessary when installing a new component.
  1. Download the module information to the diagnostic tool using the Programmable Modules Installation routine.Use the General Equipment: Ford Diagnostic Equipment
  2. Disable the vehicle high-voltage electrical system.

    Refer to: High Voltage Battery Disconnect And Connect - Hybrid Electric Vehicle (HEV)

    Refer to: High Voltage Battery Disconnect and Connect - Plug-In Hybrid Electric Vehicle (PHEV)

  3. Remove the air cleaner and outlet pipe.

    Refer to: Air Cleaner

    Refer to: Air Cleaner Outlet Pipe

  4. Remove the cowl panel.

    Refer to: Cowl Panel

  5. Disconnect the TCM.
    GFD223709Courtesy of FORD MOTOR COMPANY
    6. NOTE: When disconnecting the high voltage cables from the TCM, cover the TCM terminals with tape or another waterproof seal to keep moisture, water or other fluids from entering the TCM. Failure to cover and seal the TCM terminals can result in damage to the TCM.
  6. Remove the retainers and disconnect the high voltage cables from the TCM.
    GFD223710Courtesy of FORD MOTOR COMPANY
  7. Before removing the TCM fuse cover, use compressed air to remove any moisture from underneath the TCM fuse cover.
    GFD223711Courtesy of FORD MOTOR COMPANY
  8. Remove the bolts and the cover.
    GFD223712Courtesy of FORD MOTOR COMPANY
    9. NOTE: When disconnecting the high voltage DC cables from the TCM, cover the TCM top opening with tape or another waterproof seal to keep moisture, water or other fluids from entering the TCM. Failure to cover and seal the TCM top opening can result in water damage to the TCM.
    NOTE: Do not loosen the high voltage fuse nuts.
  9. Disconnect the electrical connector.
    GFD223713Courtesy of FORD MOTOR COMPANY
    10. NOTE: Do not loosen the high voltage fuse nuts.
  10. Remove the retainer and disconnect the electrical connector.
    GFD223714Courtesy of FORD MOTOR COMPANY
    11. NOTE: Be prepared to catch a minimal amount of escaping coolant fluid.
  11. Disconnect and position aside the coolant tubes.
    GFD223715Courtesy of FORD MOTOR COMPANY
  12. Disconnect the wiring harness retainer.
    GFD223716Courtesy of FORD MOTOR COMPANY
  13. Remove the retainers and position aside the coolant fluid reservoir.
    GFD223717Courtesy of FORD MOTOR COMPANY
  14. Remove the bolts and the TCM.
    GFD223718Courtesy of FORD MOTOR COMPANY
    NOTE: TCM Mounting Bracket 
  15. Remove the retainer and position aside the wiring harness.
    GFD223719Courtesy of FORD MOTOR COMPANY
  16. Remove the nuts and bolts and the TCM mounting bracket.
GFD223720Courtesy of FORD MOTOR COMPANY
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