Conditions For Setting DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. 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 VIN stored in SDM does not match VIN stored in BCM.