DTC P0128 Cadillac

Description

DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0502, P0503 are not set. The start-up IAT is warmer than -7°C (+19°F). The start-up ECT is colder than 70°C (158°F), when the IAT is above 10°C (50°F). OR The start-up ECT is colder than 50°C (122°F), when the IAT is below 10°C (50°F). The engine run time is greater than 2 minutes. The vehicle has traveled greater than 2.4 kilometers (1.5 miles) at greater than 8 km h (5 mph). The accumulated airflow is between 20-75 g s, with the minimum average airflow greater than 10 g s. The fuel ethanol percentage is less than 87 percent. This DTC runs once per ignition cycle when the above conditions are met.