Conditions for Running the DTC

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0111, P0112, P0113, P0114, P0117, P0118, P0128, P0502, P0503, P0601, P1621 or P2610 are not set.
The vehicle has had a minimum ignition OFF time of 8 hours.
The Ignition is ON.
The start-up IAT is warmer than -7°C (+19°F).
Fuel level is greater than 2.5%
This DTC runs once per ignition cycle when the above conditions are met..