Conditions for Running the DTC
WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
P16D7
- The sensor bus relay is commanded ON.
- Battery supply signal voltage is less than 11 V.
- The DTC runs continuously when the above conditions are met.
P16D8
- The sensor bus relay is commanded ON.
- Battery supply signal voltage is less than 11 V.
- The DTC runs continuously when the above conditions are met.
P16D9
- The sensor bus relay is commanded OFF.
- Battery supply signal voltage is greater than 11 V.
- The DTC runs continuously when the above conditions are met.