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Home >> Cadillac >> 2005 >> CTS Base, 2.8 T, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Introduction & Repair Instructions >> Repair Instructions >> Transmission Control Module (TCM) Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of TCM Electrical Connector & Retainer
    GM796810Courtesy of GENERAL MOTORS CORP.
  1. Unlock the transmission control module electrical connector by pulling the retainer (2) away from the electrical connector (1).
  2. IMPORTANT: Twisting or tilting of the transmission control module electrical connector while disconnecting may result in bent or misaligned electrical terminal pins.
  3. Carefully disconnect the electrical connector (1) from the transmission control module.
  4. Fig 2: View Of TCM Mounting Bracket Retaining Tabs
    GM796811Courtesy of GENERAL MOTORS CORP.
  5. Remove the transmission control module from the mounting bracket by pulling back on the retaining tabs (1) to release the control module.