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.
P128A or P128B
- DTC P128F, P16E4 or P16E5 is not set.
- Ignition is ON.
- The DTCs run continuously when the above condition are met.
P127C, P16E4 or P16E5
- Ignition is ON.
- No DTC clear code
- The DTCs run continuously when the above condition are met.