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 P0097, P0098, P0101, P0102, P0103, P0106, P0107, P0108, P0111, P0112, P0113, P0114, P0116, P0117, P0118, P0119, P0120, P0122, P0123, P0128, P0171, P0172, P0174, P0175, P0201-P0208, P0220, P0222, P0223, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, P0277, P0279, P0280, P0282, P0283, P0300-P0308, P0335, P0336, P0351-P0358, P0506, P0507, P0697, P06A3, P0806, P0807, P0808, P16A0, P16A1, P16A2, P16F3, P2101, P2122, P2123, P2127, P2128, P2135, P2138, P2176, P2300-P2322 are not set.
The engine is running, and a cold start has been detected.
Vehicle speed is less than 2 km/h (1 MPH).
The engine is at idle with no input from the accelerator pedal.
The engine coolant temperature (ECT) is between -10 to +56°C (14-133°F).
The calculated 3-way catalyst temperature is colder than 350°C (662°F).
The barometric pressure is at least 72 kPa.
The engine control module (ECM) will exit the diagnostic if the calculated 3-way catalyst temperature is greater than 900°C (1, 652°F) and the engine run time is greater than 19 s.
This DTC runs for 15 s within the first 2 min of start-up. This diagnostic runs once per trip when a cold start has been determined.