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Home >> Chevrolet >> 2025 >> Silverado EV RST >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Controls >> Repair Instructions >> Drive Motor Control Module Replacement >> Installation Procedure

Installation Procedure

  1. GM5778264Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Cover Gasket (1) - Install

  2. Drive Motor Control Module (2) - Install
  3. CAUTION:

    Refer to Fastener Caution .

  4. Drive Motor Power Inverter Module Bolt (3) - Install and tighten in sequence [16x] - Fastener Specifications
  5. GM5756784Courtesy of GENERAL MOTORS COMPANY

    Using a magnetic socket, Install and tighten the 3 drive motor power inverter module connector bolts (1). Fastener Specifications

  6. GM5778267Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Drive motor power inverter module cover seal is not serviceable separately.

    Drive Motor Power Inverter Module Cover (1) - Install

  7. Drive Motor Power Inverter Module Cover Bolt (2) - Install and tighten [4x] - Fastener Specifications
  8. GM6309641Courtesy of GENERAL MOTORS COMPANY

    Front Electric Drive Transmission Module Cooler Coolant Hose (2) @ Front Electric Drive Transmission Module - Install

  9. Retainer (1) - Engage
  10. GM6303359Courtesy of GENERAL MOTORS COMPANY

    Front Electric Drive Transmission Module Positive and Negative Cable (1) - Install

  11. GM6303358Courtesy of GENERAL MOTORS COMPANY

    Front Electric Drive Transmission Module Positive and Negative Cable Channel Bolt (2) - Install and tighten [4x] - Fastener Specifications

  12. High Voltage Connector (1) - Connect - High Voltage Connectors
  13. GM6303357Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (2) - Connect [3x]

  14. Electrical Connector (1) - Connect
  15. GM6303356Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    High Voltage Battery Heater Bracket (2) - Install

  16. High Voltage Battery Heater Bracket Bolt (1) - Install and tighten [2x] - Fastener Specifications
  17. GM6303355Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (1) - Connect [2x]

  18. GM6303354Courtesy of GENERAL MOTORS COMPANY

    High Voltage Battery Heater Module (2) - Install

  19. High Voltage Battery Heater Bracket Bolt (1) - Install and tighten [4x] - Fastener Specifications
  20. GM6423015Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (2) - Connect

  21. High Voltage Connector (1) - Connect - High Voltage Connectors
  22. GM6262625Courtesy of GENERAL MOTORS COMPANY

    Heater Coolant Heater Inlet Hose (3) @ High Voltage Battery Heater Module - Install

  23. Retainer (2) - Engage
  24. High Voltage Battery Coolant Inlet Secondary Hose Nut (1) - Install and tighten - Fastener Specifications
  25. GM6277826Courtesy of GENERAL MOTORS COMPANY

    High Voltage Battery Coolant Inlet Secondary Hose Nut (3) - Install and tighten - Fastener Specifications

  26. High Voltage Battery Coolant Pump Inlet Hose (1) @ High Voltage Battery Heater Module - Install
  27. Drive Motor Battery Charger Receptacle Coolant Outlet Hose Clip (2) - Engage
  28. GM6309072Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Front Electric Drive Transmission Module Hose (2) @ Hybrid/Electric Vehicle Battery Coolant Pump - Left Side - Install

  29. Retainer (1) - Engage
  30. GM6309075Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Front Electric Drive Transmission Module Hose (1) @ Front Electric Drive Transmission Module - Install

  31. Retainer (3) - Engage
  32. High Voltage Battery Coolant Inlet Secondary Hose Nut (2) - Install and tighten - Fastener Specifications
  33. Radiator Inlet Hose Clip (4) - Install
  34. GM6311010Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    High Voltage Battery Coolant Pump Inlet Hose (2) - Install

  35. High Voltage Battery Coolant Pump Inlet Hose (2) @ Drive Motor Control Module Radiator Inlet Hose - Install
  36. Retainer (3) - Engage
  37. Push the drive motor battery surge tank inlet hose connector (1) onto the high voltage battery coolant pump inlet hose connector to engage internal retainer.
  38. Connect the electrical connectors and install the wiring harness retainers as necessary.
  39. GM6289090Courtesy of GENERAL MOTORS COMPANY

    High Voltage Battery Coolant Cooler Outlet Hose (4) - Install

  40. High Voltage Battery Coolant Cooler Outlet Hose (4) @ Hybrid/Electric Vehicle Propulsion System Coolant Control Valve 1 - Install
  41. Retainer (3) Engage
  42. Radiator Surge Tank Bracket Bolt (1) - Install and tighten - Fastener Specifications
  43. GM6306761Courtesy of GENERAL MOTORS COMPANY

    High Voltage Battery Coolant Inlet Hose (2) - Install

  44. Electrical Connector (4) - Connect
  45. High Voltage Battery Coolant Inlet Hose (2) @ Refrigerant System Control Module - Install
  46. Retainer (3) - Engage
  47. GM6301221Courtesy of GENERAL MOTORS COMPANY

    Front Suspension Strut Housing Brace (1) - Install

  48. Connect the wiring harness retainers.
  49. GM6301219Courtesy of GENERAL MOTORS COMPANY

    Front End Sheet Metal Cross Brace Bolt (1) - Install and tighten [12x] - Fastener Specifications

  50. GM6301218Courtesy of GENERAL MOTORS COMPANY

    Front Trim Finish Compartment Support - Left Side and Right Side (2) - Install [2x]

  51. Front Trim Finish Compartment Support Bolt - Left Side and Right Side (1) - Install and tighten [4x] - Fastener Specifications
  52. GM6294596Courtesy of GENERAL MOTORS COMPANY

    High Voltage Connector (4) - Connect - High Voltage Connectors

  53. GM6295126Courtesy of GENERAL MOTORS COMPANY

    Front Trim Finish Compartment (1) - Install - Front Trim Finish Compartment Removal and Installation

  54. Enable the high voltage system. High Voltage Enabling
  55. Fill the cooling system to the proper level. Drive Motor Battery Cooling System Draining and Filling
  56. Inspect for coolant leaks.
  57. Install underbody panels as necessary. Underbody Panel Component Locator
  58. Run all necessary programming and setup procedures. Control Module References