Conditions for Running the DTC

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

No generator, crankshaft position (CKP) sensors, or camshaft (CMP) sensor DTCs are set.
Ignition ON engine OFF, for the Ignition ON test.
Engine is running, engine speed less than 3,000 RPM for the Run test.