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Home >> Chevrolet >> 2022 >> Bolt EUV Premier >> Repair and Diagnosis >> Electrical >> Charging Systems >> Plug-In Charging System - Repair Instructions >> Repair Instructions >> Battery Charger Control Module Replacement >> Removal Procedure

Removal Procedure

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 includes the following steps:

  • 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 may result in serious injury or death.

  1. Disable the high voltage system. High Voltage Disabling
  2. Drain the drive motor generator power inverter module cooling system. Drive Motor Generator Power Inverter Module Cooling System Draining and Filling
  3. GM5668319Courtesy of GENERAL MOTORS COMPANY

    Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection .

  4. GM5845281Courtesy of GENERAL MOTORS COMPANY

    Battery Negative Cable Ground Nut (1) - Remove

  5. GM5845282Courtesy of GENERAL MOTORS COMPANY

    Battery Current Sensor (1) @ Battery Tray - Remove

  6. Battery Current Sensor Connector (2) - Disconnect
  7. GM5512496Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Note the orientation of the battery current sensor when removing.

    Battery Current Sensor (2) @ Battery Negative Cable (1) - Remove

  8. GM5512497Courtesy of GENERAL MOTORS COMPANY

    Battery Tray Reinforcement Nut (1) - Remove

  9. Battery Tray Reinforcement Bolt (2) - Remove
  10. Battery Tray Reinforcement (3) - Remove
  11. GM5512518Courtesy of GENERAL MOTORS COMPANY

    Battery Positive Cable Terminal Cover (1) - Remove

  12. Battery Positive Cable Clamp Fastener (2) - Loosen
  13. Battery Positive Cable (3) @ Battery Positive Post - Remove
  14. GM5512499Courtesy of GENERAL MOTORS COMPANY

    Battery Tray Support Nut (1) - Remove

  15. Battery Tray Support (2) - Remove
  16. GM5512519Courtesy of GENERAL MOTORS COMPANY

    Battery Retainer Bolt (1) - Remove

  17. Battery Retainer Assembly (2) - Remove
  18. GM5512520Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Use a battery lifting tool to remove.

    Battery (1) - Remove

  19. GM5512523Courtesy of GENERAL MOTORS COMPANY

    Engine Control Module (1) @ Battery Tray - Remove

  20. GM5512524Courtesy of GENERAL MOTORS COMPANY

    Battery Positive Cable Retainer (1) @ Battery Tray - Remove [4x]

  21. {If equipped} Drive Motor Battery Charger Receptacle Retainer (2) @ Battery Tray - Remove
  22. GM5512525Courtesy of GENERAL MOTORS COMPANY

    Battery Tray Bolt (1) - Remove [4x]

  23. GM5512526Courtesy of GENERAL MOTORS COMPANY

    Battery Tray (1) - Remove

  24. GM5491628Courtesy of GENERAL MOTORS COMPANY

    Front Compartment Front Sight Shield Retainer (1) - Remove [8x]

  25. Front Compartment Front Sight Shield (2) - Remove
  26. GM5695989Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank Bracket Bolt (1) - Remove

  27. Radiator Surge Tank Bracket Nut (2) - Remove
  28. Reposition the radiator surge tank and bracket (3) to remove the drive motor battery charger.
  29. GM5845485Courtesy of GENERAL MOTORS COMPANY

    Remove the battery to battery positive cable retainers. (1) [3x]

  30. GM5845487Courtesy of GENERAL MOTORS COMPANY

    Accessory DC Power Control Module High Voltage Connector Protector Nut (1) - Remove

  31. Accessory DC Power Control Module High Voltage Connector Protector Bolt (2) - Remove
  32. Accessory DC Power Control Module High Voltage Connector Protector Bolt (3) - Remove
  33. Accessory DC Power Control Module High Voltage Connector Protector (4) - Remove
  34. GM3794634Courtesy of GENERAL MOTORS COMPANY

    When disconnecting the 2 stage high voltage cable connector, perform in the following sequence.

    1. Release the CPA.
    2. Push down the connector tab.
    3. Release the 2 retaining tabs. (1) (2)
    4. Disconnect the high voltage cable connector.
  35. GM5512533Courtesy of GENERAL MOTORS COMPANY

    After releasing the 2-stage safety connectors, remove the accessory DC power control module connector (1).

  36. GM5512534Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Accessory DC Power Control Module - Disconnect

  37. GM5512535Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage [2x]

  38. Drive Motor Generator Control Module Cooling Outlet Hose (2) - Remove
  39. Drive Motor Control Module Radiator Outlet Hose (3) - Remove
  40. GM5699226Courtesy of GENERAL MOTORS COMPANY

    Battery Negative Cable Extension Cable Fastener (1) - Remove

  41. Battery Negative Cable Extension Cable (2) - Remove
  42. Engine Wiring Harness Connector Protector (3) - Remove
  43. Battery Positive Cable and Nut (4) - Remove
  44. GM5512537Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Bracket Bolt (1) - Remove

  45. Accessory DC Power Control Module Nut (2) - Remove
  46. Engine Wiring Harness Bracket Stud (3) - Remove
  47. GM5699227Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Bracket (1) - Position aside [2x]

  48. GM5699228Courtesy of GENERAL MOTORS COMPANY

    Accessory DC Power Control Module (1) - Remove

  49. GM3794634Courtesy of GENERAL MOTORS COMPANY

    When disconnecting the 2 stage high voltage cable connector, perform in the following sequence.

    1. Release the CPA.
    2. Push down the connector tab.
    3. Release the 2 retaining tabs. (1) (2)
    4. Disconnect the high voltage cable connector.
  50. GM5696964Courtesy of GENERAL MOTORS COMPANY

    Disconnect the 4 high voltage cable connectors (1) by releasing the 2 stage safety connector.

  51. Disconnect the electrical connector. (2)
  52. GM5845492Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Bracket Bolt (1) - Remove [3x]

  53. Wiring Harness Retainer (2) - Remove [2x]
  54. Engine Wiring Harness Bracket (3) - Remove
  55. GM5699308Courtesy of GENERAL MOTORS COMPANY

    High Voltage Electrical Connector (1) - Disconnect [2x]

  56. Electrical Connector (2) - Disconnect
  57. GM5699309Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage [2x]

  58. Drive Motor Power Inverter Module Cooling Inlet Hose (2) - Remove
  59. Drive Motor Control Module Radiator Outlet Hose (3) - Remove
  60. GM5699310Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Battery Charger Bolt (1) - Remove [3x]

  61. Drive Motor Battery Charger Nut (2) - Remove
  62. GM5695992Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Battery Charger (1) - Remove