Removal Procedure
Courtesy of GENERAL MOTORS COMPANY
- Prepare the ECM for replacement. Refer to Control Module References
.
- Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
- Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection
.
- Disconnect the 2 wiring harness plug (2) from the engine control module (3).
- Unclip the engine control module bracket (4) from the battery tray.
- Remove the 4 nuts (1).
- Remove the engine control module (3) from the engine control module bracket (4).