Removal Procedure
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- Using a scan tool, retrieve the percentage of remaining engine oil and the remaining automatic transmission fluid life. Record the remaining engine oil and the remaining automatic transmission fluid life.
- Release the electronic control module (ECM) bracket (1) from the battery cover (2).
Courtesy of GENERAL MOTORS CORP.
- Release the retaining tabs on the ECM bracket and slide the ECM out of it.
- Disconnect the engine wiring harness electrical connectors (1) from the ECM (5).