Conditions For Setting DTC
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
DTC sets when Ignition 1 (IGN1) voltage is within normal operating range and restraints identification stored in SDM does not match restraints identification stored in BCM and/or VIN stored in SDM does not match VIN stored in PCM.