2022 GMC Hummer EVFACTORY OEM SERVICE PROCEDURE

Replace and Program Control Module

To program a replacement K16 Battery Energy Control Module perform the following procedure:

  1. Access the Service Programming System (SPS) and follow the on-screen instructions.
  2. Before removing the old control module, perform the SPS function Prepare Control Module for Removal, if available.
    NOTE:

    The Prepare Control Module for Removal function can only be performed when communication with the old control module is still possible.

  3. Replace the K16 Battery Energy Control Module.
  4. Perform the following SPS Programming function:
    NOTE:

    The K16 Battery Energy Control Module and K16B Battery Energy Control Module 2 must be programmed together.

    K16/K16B Battery Energy Control Modules and follow the on-screen instructions.

  5. Clear the DTCs after completing the Programming procedure.
  6. Perform the following SPS function:
    1. Setup

      K16 Battery Energy Control Module and follow on-screen instructions.

  7. Clear DTCs.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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