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Battery Energy Control Module Connector Caution

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:

The battery energy control modules internal cell balancing circuitry is powered by the cell group voltage sense circuits. In order to prevent an unrecoverable, unbalanced Hybrid/EV battery section or internal control module damage, always take the following actions:

  1. Disconnect ALL of the battery energy control module connectors prior to disconnecting any Hybrid/EV battery section connector.
  2. Reconnect all the Hybrid/EV battery section connectors prior to reconnecting the battery energy control module connectors.
  3. Disconnect and reconnect the battery energy control module connectors ONLY in the sequence provided in Repair Instructions.
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