Conditions for Running the DTC

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0068, P00C8, P00C9, P00CA, P0090, P0091, P0092, P0101, P0102, P0103, P0106, P0107, P0108, P0111, P0112, P0113, P0114 P0116, P0117, P0118, P0119, P0121, P0122, P0123, P0128, P012B, P012C, P012D, P017B, P017C, P017D, P0191, P0192, P0193, P0222, P0223, P06A3, P06DB, P06DE, P0A1D, P0443, P0449, P0452, P0454, P0453, P0458, P0459, P0498, P0499, P0502, P0503, P0601, P0604, P0606, P0697, P0722, P0723, P111E, P117B, P117C, P117D, P117E, P117F, P160D, P160E, P1682, P16A0, P16A1, P16A2, P16F3, P1104, P127A, P127C, P127D, P15F2, P1221, P2100, P2101, P2102, P2103, P2122, P2123, P2127, P2128, P2135, P2138, P215B, P2176, P2227, P2228, P2229, P2230, P228C, P228D, U0073, U0074, U0293, U1817 are not set.
The ignition voltage is between 11 - 32 V.
The barometric pressure (BARO) is greater than 70 kPa.
The fuel level is between 10 - 90%.
The cold startup engine coolant temperature (ECT) and the startup intake air temperature (IAT) are within 8°C (14°F).
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 P0455 runs once per cold start, shortly after purge is enabled followed by vent system performance test P0446.