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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1149 (Engine Controls And Fuel - 3.6L - DTC P0496 To DTC P2235) >> DTC P0506, P0507, or P050A >> Conditions for Setting the DTC >> P0506

Conditions for Setting the DTC: P0506

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

The actual engine speed is less than the desired idle speed by at least 100 RPM for greater than 4 seconds or for a cumulative of 30 seconds.