Diagnostic Aids
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
This fault indicates that the seat or seat trim/foam is saturated with liquid. If this DTC sets, verify the wet seat condition, let dry and see if fault returns. If DTC 056 is set along with DTC 034, diagnose the wet seat fault first.