Conditions for Running the DTC

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Before the ECM can report DTC P0101 failed, DTCs P0102, P0103, P0121, P0122, P0123, P0221, P0222, P0223, P0335, P0336 and P0338 must run and pass.
DTC P2176 is not set.
The engine is operating.
The MAF sensor signal is between 0-243 grams per second.
The ignition 1 voltage is more than 10.5 volts.
The ECM detects more than 150 revolutions of the camshaft.
DTC P0101 runs continuously once the above conditions are met for more than 2 seconds.