Envoy 4WD V8-5.3L (2007)
8. Install the ECM/TCM cover.
9. Ensure the ECM/TCM cover retainers (1) are fully engaged to the ECM/TCM bracket.
10. Connect the cooling fan electrical connector.
11. Connect the negative battery cable.
12. If the ECM was replaced the replacement ECM must be programmed. Refer to Control Module References. See: Testing and
Inspection/Programming and Relearning