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.

DTCs P0068, P00C8, P00C9, P0090, P0091, P0092, P0106, P0107, P0108, P0111, P0112, P0113, P0114, P0117, P0118, P0119, P0121, P0128, P0191, P0443, P0446, P0449, P0452, P0453, P0455, P0496, P0601, P0604, P0606, P0697, P06A3, P06DB, P06D2, P06DE, P0722, P0723, P111E, P1682, P16A7, P16F3, P2101, P2122, P2123, P2127, P2128, P2138, P2176, P228C, P228D, U0073, U0074, U0293 are not set.
The ignition voltage is between 11 - 32 V.
The barometric pressure (BARO) is more than 70 kPa.
The fuel level is between 10 - 90%.
The startup engine coolant temperature (ECT) is less than 35°C (95°F).
The startup intake air temperature (IAT) is between 4 - 34°C (39 - 93°F).
DTC P0446 runs once per cold start, for up to 17 min, when the above conditions are met.