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Home >> Cadillac >> 2016 >> CTS Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Repair Instructions >> Multifunction Energy Storage Capacitor Control Module Replacement (KL9) >> Removal Procedure
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Removal Procedure

  1. Command the Discharge Start/Stop Capacitor parameter with the scan tool and discharge the multifunction energy storage capacitor. Wait 3 minutes for the capacitor to discharge.
  2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection 
  3. Rear Compartment Side Trim Replacement - Left Side » Remove
  4. {If equipped} Active Safety Control Module Bracket Bolt (1)» Remove
    Fig 1: Active Safety Control Module
    GM4262463Courtesy of GENERAL MOTORS COMPANY
  5. {If equipped} Active Safety Control Module Bracket (2)» Reposition away
  6. Multifunction Energy Storage Capacitor Control Module Bracket Bolt (1)» Remove [2x]
    Fig 2: Multifunction Energy Storage Capacitor Control Module
    GM4087148Courtesy of GENERAL MOTORS COMPANY
  7. Multifunction Energy Storage Capacitor Control Module Bracket Bolt (3)» Remove [2x]
  8. Check the voltage at K176 Stop/Start Multifunction Energy Storage Capacitor Control Module terminal X3-A to Ground, verify it is less than 1 volt.
  9. If greater than 1 Volt, disconnect X3-A at C10 Stop/Start Multifunction Energy Storage Capacitor Control Module and apply electrical tape on the terminal to prevent discharge.
  10. Auxiliary Generator Battery Jumper Cable Nut (1)» Remove [3x]
    Fig 3: Auxiliary Generator Battery Jumper Cable
    GM4087151Courtesy of GENERAL MOTORS COMPANY
  11. Auxiliary Generator Battery Jumper Cable (2)» Remove [3x]
  12. Disconnect the electrical connectors (3).
  13. Multifunction Energy Storage Capacitor Control Module (4)» Remove
  14. Multifunction Energy Storage Capacitor Control Module Nut (1)» Remove [2x]
    Fig 4: Multifunction Energy Storage Capacitor Control Module
    GM4087156Courtesy of GENERAL MOTORS COMPANY
  15. Multifunction Energy Storage Capacitor Control Module Bracket (3)» Remove