Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Cadillac >> 2024 >> LYRIQ Tech, AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Controls >> Repair Instructions >> Drive Motor Power Distribution Control Module Replacement (XFD / K2O / K2W) >> Removal Procedure

Removal Procedure

  1. Before removing the old control module, perform the SPS function Prepare Control Module for Removal, if available. Control Module References
  2. Drain the drive motor battery cooling system. Drive Motor Battery Cooling System Draining and Filling
  3. Disable the high voltage system. High Voltage Disabling
  4. GM5923709Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Front Compartment Side Sight Shield Retainer - Right Side (1) - Release [10x]

  5. Front Compartment Side Sight Shield - Right Side (2) - Remove
  6. GM5923708Courtesy of GENERAL MOTORS COMPANY

    Front Compartment Front Sight Shield Retainer (1) - Release [5x]

  7. Front Compartment Front Sight Shield (2) - Remove
  8. GM5925550Courtesy of GENERAL MOTORS COMPANY

    Disconnect and reposition harness as necessary.

  9. Front Trim Finish Compartment Bolt (1) - Remove [4x]
  10. Front Trim Finish Compartment Support (2) - Remove
  11. GM6740523Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Wiring Harness Bracket Bolt (1) - Remove

  12. Retainer (2) - Remove [2x]
  13. GM6740254Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Disconnecting high voltage electrical connectors and testing for voltage MUST be performed during the high voltage disabling procedure but, for graphic clarity, the connector(s) are shown still connected.

    High Voltage Electrical Connector (1) - Disconnect [3x] - High Voltage Connectors

  14. GM6737794Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Engine Wiring Harness Conduit Bolt (1) - Remove

  15. Retainer (2) - Remove
  16. GM6740256Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Remove [3x]

  17. NOTE:

    Disconnecting high voltage electrical connectors and testing for voltage MUST be performed during the high voltage disabling procedure but, for graphic clarity, the connector(s) are shown still connected.

  18. High Voltage Electrical Connector (2) - Disconnect [6x] - High Voltage Connectors
  19. GM6740258Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Disconnect [2x]

  20. Retainer (2) - Remove [4x]
  21. Engine Wiring Harness (3) - Reposition
  22. High Voltage Battery Heater Module Protector Bolt (4) - Remove
  23. High Voltage Battery Heater Module Protector (5) - Remove
  24. NOTE:

    Disconnecting high voltage electrical connectors and testing for voltage MUST be performed during the high voltage disabling procedure but, for graphic clarity, the connector(s) are shown still connected.

  25. High Voltage Electrical Connector (6) - Disconnect - High Voltage Connectors
  26. GM6740259Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Remove

  27. Engine Wiring Harness Conduit Bolt (2) - Remove
  28. Battery Positive and Negative Cable (3) - Remove
  29. GM6740506Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

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

  30. Hybrid/Electric Vehicle Battery Charging Disconnect Module Relay (2) - Remove
  31. GM6740507Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Electrical Connector (1) - Disconnect

  32. Retainer (2) - Remove
  33. Engine Wiring Harness (3) - Reposition
  34. Retainer (4) - Disengage [2x]
  35. High Voltage Battery Heater Module Coolant Hose (5) - Disconnect
  36. Auxiliary Drive Motor Control Module Cooling Inlet Hose (6) - Disconnect
  37. GM6740508Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    High Voltage Battery Heater Bracket Bolt (1) - Remove [4x]

  38. High Voltage Battery Heater Module (2) - Remove
  39. GM6740509Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Engine Wiring Harness Ground Nut (1) - Remove

  40. Engine Wiring Harness (2) - Reposition
  41. Retainer (3) - Remove [5x]
  42. Engine Wiring Harness Battery Lead Nut (4) - Remove
  43. Engine Wiring Harness (5) - Reposition
  44. GM6740510Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Retainer (1) - Remove [4x]

  45. Engine Wiring Harness Ground Nut (2) - Remove
  46. Engine Wiring Harness (3) - Reposition
  47. GM6740511Courtesy of GENERAL MOTORS COMPANY

    High Voltage Battery Heater Bracket Bolt (1) - Remove [2x]

  48. High Voltage Battery Heater Bracket (2) - Remove
  49. GM6740512Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Retainer (1) - Disengage [2x]

  50. Drive Motor Control Module Cooling Inlet Hose (2) - Disconnect
  51. Drive Motor Control Module Cooling Outlet Hose (3) - Disconnect
  52. GM6740513Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Drive Motor Power Distribution Control Module High Voltage Connector Cover Bolt (1) - Remove [3x]

  53. Drive Motor Power Distribution Control Module High Voltage Connector Access Cover (2) - Remove
  54. NOTE:

    The drive motor power distribution control module high voltage connector access cover gasket is not serviceable separately.

  55. Inspect the drive motor power distribution control module high voltage connector access cover gasket (3) and replace the drive motor power distribution control module high voltage connector access cover if necessary.
  56. GM6740514Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Connector Bolt (1) - Remove [3x]

  57. GM6740515Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Bolt (1) - Remove [17x]

  58. GM6740516Courtesy of GENERAL MOTORS COMPANY

    With the aid of an assistant, remove the drive motor power distribution control module (1).

  59. Inspect the drive motor power inverter module gasket (2) and replace if necessary.