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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
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Removal Procedure

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
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    Disconnect the electrical connectors. (1)

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

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