Conditions for Running 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.

DTCs P1AE8, P1AE9, P1AEC, or are not set.
The high voltage contactor relays are closed.
High voltage is greater than 50 V.
Ignition voltage is 8 - 18 V.