GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Vivant 🢒 Engine 🢒 Engine Controls - 2.0L (L34 GMDAT) 🢒 Engine Control Module Replacement

Removal Procedure

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


    Object Number: 1263897 Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the engine control module (ECM) connectors from the ECM.
  3. Remove the ECM-to-bracket bolts.
  4. Remove the ECM from the ECM bracket.

Installation Procedure

    Object Number: 1263897 Size: SH
  1. Install the ECM to the ECM mounting bracket.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the ECM bracket bolts.

    3. Tighten
    Tighten the ECM bolts to 10 N·m (89 lb in).

  3. Connect the ECM connectors.
  4. Connect the negative battery cable.