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Home >> GMC >> 2024 >> Sierra EV >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Controls >> Repair Instructions >> Drive Motor Control Module 2 Replacement >> Installation Procedure

Installation Procedure

  1. GM6300833Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Cover Gasket (2) - Install

  2. Drive Motor Control Module 2 (1) - Install
  3. GM6300832Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Bolt (1) - Install and tighten in sequence [16x] - Fastener Specifications

  4. GM6300830Courtesy of GENERAL MOTORS COMPANY

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

  5. GM6300829Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    Drive Motor Power Inverter Module Cover (2) - Install

  6. Drive Motor Power Inverter Module Cover Bolt (1) - Install and tighten [4x] - Fastener Specifications
  7. GM6300827Courtesy of GENERAL MOTORS COMPANY

    Rear Electric Drive Transmission Module Coolant Hose (2) - Install

  8. Retainer (1) - Engage
  9. GM6300826Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Transmission fluid cooler pipe seals are not serviceable separately.

    Transmission Fluid Cooler Pipe (1) - Install NEW

  10. GM6300825Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Bolt (1) - Install and tighten [2x] - Fastener Specifications

  11. GM6300824Courtesy of GENERAL MOTORS COMPANY

    Rear Drive Motor Mount (1) - Install

  12. GM6339935Courtesy of GENERAL MOTORS COMPANY

    Rear Drive Motor Mount Bolt - M12 x 60.90 (1) - Install NEW and tighten [4x] - Fastener Specifications

  13. GM6300821Courtesy of GENERAL MOTORS COMPANY

    Rear Drive Motor Mount Bolt - M14 x 125.43 (1) - Install NEW and tighten - Fastener Specifications

  14. Remove the support from under the rear drive unit.
  15. GM6300818Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (2) - Install [2x]

  16. Electrical Connector (1) - Connect
  17. GM6259376Courtesy of GENERAL MOTORS COMPANY

    High Voltage Connector (2) - Connect - High Voltage Connectors

  18. Drive Motor Battery Charger Bracket Bolt (1) - Install and tighten - Fastener Specifications
  19. GM6259375Courtesy of GENERAL MOTORS COMPANY

    Retainer (2) - Connect

  20. Drive Motor Battery Charger Bracket Bolt (1) - Install and tighten [2x] - Fastener Specifications
  21. NOTE:

    Coolant filling instructions are located in High Voltage Enabling.

  22. Perform all steps in the high voltage enabling procedure before continuing. High Voltage Enabling
  23. Install underbody panels as necessary. Underbody Panel Component Locator
  24. Run all necessary programming and setup procedures. Control Module References