P0325, P0327, P0328, P0330, P0332, and P0333
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The DTCs run continuously when:
- The engine coolant temperature (ECT) is greater than -40°C (-40°F).
- The engine run time is greater than 1 second.
- PTO is not active.