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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Hybrid/EV Energy Storage System) >> Repair Instructions >> Battery Energy Control Module Replacement >> Removal Procedure
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Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    WARNING:

    Ensure all High Voltage safety procedures are followed. Failure to follow the procedure exactly as written may result in serious injury or death.

    WARNING:

    Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

    The High Voltage Disabling procedure will perform the following tasks:

    • Identify how to disable high voltage.
    • Identify how to test for the presence of high voltage.
    • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

    Before working on any high voltage system, be sure to wear the following Personal Protection Equipment:

    • Safety glasses with appropriate side shields when within 15 meters (50 feet) of the vehicle, either indoors or outdoors.
    • Certified and up-to-date Class "0" Insulation gloves rated at 1000V with leather protectors.
      • Visually and functionally inspect the gloves before use.
      • Wear the Insulation gloves with leather protectors at all times when working with the high voltage battery assembly, whether the system is energized or not.

    Failure to follow the procedures exactly as written may result in serious injury or death.

  1. Disable the hybrid battery. Refer to High Voltage Disabling .
  2. Fig 1: Identifying Connectors Sequence
    GM2596564Courtesy of GENERAL MOTORS COMPANY
  3. Disconnect the following connectors, in the above graphic sequence shown, from the battery energy control module wiring junction block.
  4. Fig 2: Connectors
    GM2596563Courtesy of GENERAL MOTORS COMPANY
  5. Remove the connectors (1) and the connector (2).
  6. Fig 3: Battery Energy Control Module Fasteners
    GM2596562Courtesy of GENERAL MOTORS COMPANY
  7. Remove the from the battery energy control module fasteners (1) and remove the from the battery energy control module (2) from the mounting studs.