Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions exist for more than 1 second:
B3265 01
The BCM detects a short to battery in the trunk release relay control circuit when the output is active.
B3265 06
The BCM detects a short to ground or an open in the trunk release relay control circuit when the output is inactive.