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Home › Chevrolet › 2007 › Optra LS, Automatic › Repair and Diagnosis (Single Page) › Transmission › Automatic Trans › Automatic Transaxle - ZF 4HP 16 - Specifications, Component Locations And Repairs › Repair Instructions › Transmission Control Module Replacement › Installation Procedure

Installation Procedure

    IMPORTANT: After replacing the TCM, refer to Transmission Control Module Programming and Setup to ensure the module has the latest calibrations.
    Fig 1: Identifying TCM Wiring Connectors
    GM1290879Courtesy of GENERAL MOTORS CORP.
  1. Install the TCM to the bracket.
  2. Connect the wiring connectors.
  3. Connect the negative battery cable.
  4. Refer to Control Module References for programming and setup information.
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