Conditions for Running 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.
- Radio ON
- Battery voltage between 9 - 16 volts
- The navigation radio tests the GPS antenna every 10 seconds