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Home › Chevrolet › 2017 › Bolt EV Premier › Repair and Diagnosis › Hybrid/Electric Powertrain › Electric Converters and Controllers › Hybrid/EV Control System › Repair Instructions › Engine Control Module Replacement › Installation Procedure

Installation Procedure

    Fig 1: Engine Control Module And Bracket Nuts
    GM4508083Courtesy of GENERAL MOTORS COMPANY
  1. Using a flat bladed tool, release the ECM bracket retainer. Slide the ECM and bracket assembly to the battery tray.
  2. Install Engine Control Module (2)
    3. CAUTION:

    Refer to Fastener Caution

  3. Install and tighten Engine Control Module Bracket Nuts (1) (Qty: 4) to 4.7 N.m (42 lb in)
    4. Fig 2: Engine Control Module Electrical Connectors
    GM4508080Courtesy of GENERAL MOTORS COMPANY
  4. Connect Engine Control Module Electrical Connectors (1) (Qty: 3)
  5. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection
  6. If replacing the engine control module, reprogram the module. Refer to Control Module References
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