Installation Procedure

Fig 1: View Of ECM Bracket & Bolts

Courtesy of GENERAL MOTORS COMPANY

CAUTION:

If necessary, position the ECM bracket and install the bolts (1).
Tighten

Tighten the bolts to 6 N.m (53 lb in).

Fig 2: Identifying ECM Retaining Tab

Courtesy of GENERAL MOTORS COMPANY

Install the ECM onto the ECM bracket support tabs and snap the ECM into place under the retaining tab (1).

Fig 3: View Of Engine Wiring Harness Clip & ECM Upper Electrical Connector

Courtesy of GENERAL MOTORS COMPANY

Connect the engine wiring harness upper electrical connector (1) to the ECM.
If the ECM bracket was also replaced, install the engine wiring harness clip (2) to the ECM bracket tab.

Fig 4: Identifying ECM Middle & Lower Electrical Connectors

Courtesy of GENERAL MOTORS COMPANY

Connect the engine wiring harness middle and lower electrical connectors (1) to the ECM.
Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
If a NEW ECM was installed, reprogram the ECM. Refer to Engine Control Module Programming and Setup .