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Home >> Pontiac >> 2009 >> G8 Base >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 5L40-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Transmission Control Module Replacement >> Removal Procedure

Removal Procedure

  1. Remove the right side hinge pillar trim from the vehicle. Refer to Body Hinge Pillar Trim Panel Replacement .
  2. Remove the knee bolster assembly. Refer to Knee Bolster Replacement .
    3. Fig 1: Transmission Control Module Electrical Connector
    GM1955720Courtesy of GENERAL MOTORS CORP.
  3. Unlock the transmission control module electrical connector by pulling the retainer (2) away from the electrical connector (1).
    4. IMPORTANT: Twisting or tilting of the transmission control module electrical connector while disconnecting may result in bent or misaligned electrical terminal pins.
    Fig 2: Electrical Connector
    GM1954235Courtesy of GENERAL MOTORS CORP.
  4. Carefully disconnect the electrical connector (1) from the transmission control module.
  5. Disconnect the electrical connectors (1) from right hand side junction box and position loom towards the cowl
    6. Fig 3: Retaining Tabs
    GM1955723Courtesy of GENERAL MOTORS CORP.
  6. Remove the transmission control module from the mounting bracket by pulling back on the retaining tabs (1) to release the control module.
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