Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo and 2002 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
DTC sets when 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.