Removal & Installation

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Turn ignition switch to OFF position. Disconnect negative battery cable. Remove lower instrument panel insulator. Locate Body Control Module (BCM) under right side of instrument panel, mounted to HVAC duct. Unsnap BCM(3) from HVAC duct bracket(1). Disconnect BCM harness connectors(2). See Fig 1 . Remove BCM from vehicle. To install, reverse removal procedure. Program replacement BCM. See BODY CONTROL MODULE under PROGRAMMING.

Fig 1: Removing Body Control Module

Courtesy of GENERAL MOTORS CORP.