Conditions for Running the DTC

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0010, P0016, P0335, P0336, P0340, or P0341 is not set.
The engine is running.
The system voltage is between 9 and 18 volts.
The CMP actuator is enabled.
The power take off (PTO) is not active.
The rate of change in the camshaft position is less than, 7.5 degrees for 3.35 seconds.