Diagnostic Aids
WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The engine will crank over for 1-3 seconds, resulting in a no-start condition, if DTCs P0335, P0336, P1AC6 or P1AC7 are set.