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Home › Buick › 2018 › LaCrosse Base › Repair and Diagnosis › Hybrid/Electric Powertrain › Battery Management Systems › Hybrid/EV Energy Storage System › Repair Instructions › Hybrid Powertrain Control Module 2 Replacement › Removal Procedure

Removal Procedure

  1. GM4756562

    High Voltage Battery (1) - Remove - High Voltage Battery Replacement and Shipping Preparation 

  2. GM4707522

    High Voltage Battery Cover (2) - Remove - High Voltage Battery Cover Replacement (High Voltage Battery) 

  3. GM4708503
    NOTE:

    Release the connector position assurance (CPA) locks on the electrical connectors (1).

    Electrical Connector (1) - Disconnect [4x]

  4. GM4708487
  5. Hybrid Powertrain Control Module 2 Mounting Nut (1) - Remove [3x]
  6. Hybrid Powertrain Control Module 2 (2) - Remove
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