FixVault

Removal ProcedureInstallation Procedure

    Fig 1: View Of Engine Control Module
    GM1241940Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Disconnect the engine control module (ECM) connectors.
  3. Remove the ECM retaining bolts.
  4. Remove the ECM from the ECM mount.