Body Control Module: Removal
WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition switch to OFF position. Disconnect negative battery cable. Remove lower instrument panel insulator. Locate BCM under right side of instrument panel, mounted to HVAC duct. See Figure. Unsnap BCM from HVAC duct bracket BCM. Disconnect BCM harness connectors. Disconnect IP harness extension from BCM.