Conditions for Running the DTC: Notes
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.
The following conditions must be met:
- DTCs P0036, P0054, P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0125 (where applicable), P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0220, P0442, P0443, P0446, P0449, P0451, P0452, P0453, P0454, P0455, P0464, P0496, P2135 are not set.
- DTCs P2A01, P0401, and P0420 are not commanding fuel.
- The system voltage is between 9-18 volts.
- The scan tool special functions are not active.
This vehicle has 2 methods to enable and run this diagnostic, called regular test and fast pass test.
Fast Pass Test
- The Engine Run Time parameter is less than 1 minute and 30 seconds.
OR
- A cold start condition has been detected, identified by the following conditions:
- The Start Up ECT parameter is less than 35°C (95°F).
- The Start Up IAT parameter is less than 35°C (95°F).
- The difference between the Start Up ECT parameter and the Start Up IAT parameter is less than 6°C (10.8°F).