Inflatable Restraint Sensing and Diagnostic Module (SDM) Replacement
WARNING: This page is about a different car, the 2006 Isuzu Ascender, 2006 GMC Envoy XL, 2006 GMC Envoy, 2006 Chevrolet TrailBlazer, and 2006 Buick Rainier. 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:
Relearn Restraints ID-Refer to Body Control Module (BCM) Programming/RPO Configuration in Computer/Integrating Systems.