P0325 and P0330

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.

DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 is not set.
The engine speed is greater than 400 RPM.
The engine coolant temperature (ECT) is greater than -40°C (-40°F).
The engine run time is greater than 2 minutes.
The power take-off (PTO) is not active.
DTCs P0325 and P0330 run continuously when the above conditions are met.