Removal Procedure
Courtesy of GENERAL MOTORS CORP.
- Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
- Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LE5, LE9, LY7)
.
- Slide the lever locks to the up position in order to release the engine wiring harness electrical connectors.
- Disconnect the engine wiring harness electrical connectors (1) from the engine control module (ECM).
Courtesy of GENERAL MOTORS CORP.
- Release the retaining tab located in the battery tray using a small screwdriver or other suitable tool.
- Remove the ECM by lifting upward after releasing the tab.