Conditions for Setting the DTC
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.
P0AC1
The hybrid/EV powertrain control module 2 detects that the hybrid/EV battery pack current sensor is less than -365.1 A.
P0AC2
The hybrid/EV powertrain control module 2 detects that the hybrid/EV battery pack current sensor is greater than +274.6 A.