Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
DTC C0293 01
The parking brake control module detects a short to battery.
DTC C0293 06
The parking brake control module detects an open/low voltage on the circuit.
DTC C0293 08
The parking brake control module detects the apply or release button was activated for more than 90 seconds.