Section 11 (Body Control Modules): Programming: Notes
WARNING: This page is about a different car, the 1999 GMC Sierra and 1999 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Use of Tech 2 scan tool and Techline(R) terminal is recommended for programming BCM. A generic scan tool may not be capable of performing all necessary programming functions. Refer to scan tool manufacturer's instructions.