Conditions for Running the DTC

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0068, P0101, P0102, P0103, P0116, P0117, P0118, P0120, P0125, P0220, P0335, P0336, P0340, P0341, P0385, P0386, P0502, P0503, P1125, P1516, P1518, P2101, P2107, P2108, P2119, P2120, P2125, P2135, or P2138 is not set.
The engine speed is between 1,000-2,500 RPM.
The throttle angle is more than 10 percent.
The engine load is more than 40 percent.
The engine coolant temperature (ECT) is more than 60°C (140°F).
The maximum spark retard is less than 15 degrees.
The system voltage is more than 9 volts.
The engine run time is more than 30 seconds.
The DTCs run continuously when the above conditions are met.