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Engine Control Module Replacement
Courtesy of GENERAL MOTORS CORP.
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Preliminary Procedure
- Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
- Turn OFF the Ignition.
- Remove the right front compartment side sight shield. Refer to Front Compartment Side Sight Shield Replacement
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Engine Control Module (ECM) Procedure
- Disconnect the ECM harness connectors. The ECM harness connectors are equipped with locking levers. Rotate the levers upward to the connectors to disengage the connector.
- Disengage the ECM bracket retaining tabs.
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