P0327, P0328, P0332, and P0333

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 P0112, P0113, P0116, P0117, P0118, or P0128 is not set.
The engine coolant temperature (ECT) is greater than -40°C (-40°F).
The engine oil temperature is less than 256°C (492.8°F).
The engine run time is greater than 2 minutes.
DTCs P0327, P0328, P0332, and P0333 run continuously when the above conditions are met.