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Home › GMC › 2022 › Hummer EV › Repair and Diagnosis › Engine Performance › Engine Control Systems › Hybrid/EV Energy Storage - Repair Instructions › Repair Instructions › Battery Energy Control Module 1 Replacement › Removal Procedure

Removal Procedure

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
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    Rear Wheelhouse Liner (3)- Left Side - Remove - Rear Wheelhouse Liner Replacement

  3. GM5860366Courtesy of GENERAL MOTORS COMPANY

    Disconnect the electrical connectors. (1)

  4. GM5860369Courtesy of GENERAL MOTORS COMPANY

    Hybrid Powertrain Control Module 2 Nut (1) - Remove [4x]

  5. Battery Energy Control Module 1 (2) - Remove
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