Diagnostic Aids
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.
K114B Hybrid/EV Powertrain Control Module 2 and K16 Battery Energy Control Module are combined into one control module. If K114B Hybrid/EV Powertrain Control Module 2 sets DTC U185A against the K16 Battery Energy Control Module, then it is considered to be an internal malfunction issue.