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.
- Ignition ON / Vehicle in Service Mode.
- Brake pedal is applied.
- Transmission is in the PARK position.
- DTC runs continuously once the above conditions are met.