Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
C0574 01 or C0574 02
The parking brake control module detects a short to battery or a short to ground.
C0574 00 or C0574 54
The parking brake control module has detected an internal temperature that is above the allowed value.