Circuit/System Description
WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
The K9 Body Control Module provides the A23LR Rear Side Door Latch-Left with approximately 7.5 V to the signal circuit 6653. Ground is applied at all times to the A23LR Rear Side Door Latch-Left