Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. 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.