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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Battery Management Systems >> Hybrid/EV Energy Storage System >> Repair Instructions >> Hybrid Powertrain Control Module 2 Replacement >> Removal Procedure
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Removal Procedure

  1. Drive Motor Battery Cover - Remove - Drive Motor Battery Cover Replacement (With HP9)
  2. Disable the high voltage system. High Voltage Disabling 
  3. GM4481060Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Disconnect [2x]

  4. GM4481062Courtesy of GENERAL MOTORS COMPANY
  5. Hybrid Powertrain Control Module 2 Mounting Nut (1) - Remove [4x]
  6. Hybrid Powertrain Control Module 2 (2) - Remove