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.
P0AA7
The difference between the switched ON state and switched OFF state is less than 5V.
P0AA8
The difference is greater than 5V when the sum of sensor circuit 1 and sensor circuit 2 is subtracted from total hybrid/EV battery pack voltage.
P0AA9 and P1E0C
The Isolation sensor voltage is less than 5V.
P0AAA and P1E0D
The Isolation sensor voltage is greater than 416V.