Sensing and Diagnostic Module (SDM) Replacement
WARNING: This page is about a different car, the 2005 Pontiac G6. However, it is still accessible from the selected car via links, so may be relevant.
If the sensing and diagnostic module (SDM) is replaced, the following procedure must be performed:
Setup SDM Part Number in BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Computer/Integrating Systems for the proper procedure.