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Home >> Chevrolet >> 2006 >> Optra LS, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - ZF 4HP 16 - Introduction And Mechanical Repair >> Repair Instructions >> Transmission Control Module (TCM) 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.
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