Circuit/System Description
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
The K114B Hybrid/EV Powertrain Control Module 2 communicates with the K112 Hybrid/EV Battery Interface Control Modules via a dedicated bus inside the Hybrid/EV Battery Pack assembly. This dedicated bus does not communicate with the scan tool.