Diagnostic Aids
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
DTC is an indication that restraints identification stored in both BCM and SDM do not match. If either BCM or Powertrain Control Module (PCM) were replaced, replacement modules need to be reprogrammed for proper operation.