Conditions For Setting DTC
WARNING: This page is about a different car, the 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
DTC sets when ignition voltage is within normal operating range and restraints identification stored in SDM does not match restraints identification stored in BCM or when Vehicle Identification Number (VIN) stored in SDM does not match VIN stored in BCM.