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.
P0ABB
The hybrid/EV powertrain control module 2 detects difference of greater than 10 V between the summed cell group voltage and the voltage measured at battery side of the main contactors.
P0ABC
The hybrid/EV powertrain control module 2 detects the terminal voltage is less than 4.8 V on the battery side of the main contactors.
P0ABD
The hybrid/EV powertrain control module 2 detects the terminal voltage is greater than 392 V on the battery side of the main contactors.