Circuit/System Testing
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.
Ignition ON, scan tool installed, verify that DTC B1015 is a history code and verify that there is no VIN mismatch with the BCM, object alarm module and the vehicle VIN.
- If any VIN mismatch exists, program the module with the correct VIN.