Conditions for Clearing the DTC

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The last 4-digit Primary Data Key in the SDM match the last 4 digits stored in the BCM.
The VIN that is stored in the SDM matches the VIN stored in the BCM.