GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Epica 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Control Module Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1372459 Size: SH
  1. Remove the battery. Refer to Battery Tray Replacement .
  2. Remove the engine control module (ECM) bracket nuts.

    3. Object Number: 1372457 Size: SH
  3. Disconnect the ECM connector.
  4. Remove the ECM retaining nuts and the ECM.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1372458 Size: SH
  1. Install the ECM and the retaining nuts.

    2. Tighten
    Tighten the ECM retaining nuts to 12 N·m (106 lb in).

  2. Connect the ECM connector.

    3. Object Number: 1372459 Size: SH
  3. Tighten the ECM bracket nuts.

    4. Tighten
    Tighten the ECM bracket nuts to 12 N·m (106 lb in).

  4. Install the battery. Refer to Battery Tray Replacement .