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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> Electrical >> Body Electrical >> Hybrid/EV System Energy Storage >> 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. Refer to High Voltage Disabling 
  3. Electrical Connector (1)» Disconnect [2x]
    Fig 1: Electrical Connectors
    GM4481060Courtesy of GENERAL MOTORS COMPANY
  4. Hybrid Powertrain Control Module 2 Mounting Nut (1)» Remove [4x]
    Fig 2: Hybrid Powertrain Control Module 2 Mounting Nuts
    GM4481062Courtesy of GENERAL MOTORS COMPANY
  5. Hybrid Powertrain Control Module 2 (2)» Remove
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