Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
P0506
- The ECM detects that the actual idle speed is approximately 90 RPM lower than the desired idle speed continuously.
- The above condition is present for 3 tests consisting of 8 seconds each test.
P0507
- The ECM detects that the actual idle speed is approximately 90 RPM higher than desired idle speed.
- The above condition is present for 3 tests consisting of 8 seconds each.