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 P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0114, P0116, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0201-P0208, P0222, P0223, P0261, P0262, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, P0279, P0280, P0282, P0283, P0300-P0308, P0335, P0336, P0351-P0358, P0502, P0503, P0506, P0507, P0641, P0651, P0697, P06A3, P0722, P0723, P182E, P1915, P2122, P2123, P2127, P2128, P2135, P2138, P2300, P2301, P2303, P2304, P2306, P2307, P2309, P2310, P2313, P2315, P2316, P2318, P2319, P2321 and P2322 are not set.
- The engine coolant temperature (ECT) is between -17 - 43°C (63 - 109°F).
- The calculated 3-way catalyst temperature is colder than 300°C (572°F).
- The barometric (BARO) pressure is greater than 75 kPa.
- The engine control module (ECM) will exit the diagnostic if the calculated 3-way catalyst temperature is greater than 800°C (1472°F) when the engine run time is greater than 1 s.
- Vehicle speed is less than 1.6 km/h (1 mph).
- The accelerator pedal is not depressed.
- The ECM will exit the diagnostic if the engine run time is greater than a calibrated value.
- This DTC runs within the first 10 s of start-up. This diagnostic runs once per trip when a cold start has been determined.