Removal Procedure

WARNING: Refer to Safety Glasses Warning .

CAUTION: Always turn the ignition off when installing or removing the ECM connectors in order to prevent damage to the components.

Turn the ignition OFF.
Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
Remove the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement .

Fig 1: Identifying ECM Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

NOTE: Disconnect the rear electrical connector from the ECM first.

Unlock the ECM electrical connector lock levers (1) and disconnect the ECM electrical connectors (2).

Fig 2: Identifying ECM Retaining Clips

Courtesy of GENERAL MOTORS CORP.

Remove the ECM (2) from the ECM housing by pushing both ECM retaining clips (1) outwards.