Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The difference between the actual and desired idle RPM exceeds a calibrated limit. This limit varies from 300 RPM at -40° C (-40° F) to 100 RPM at 152° C (305° F) based on engine coolant temperature.
The above conditions are present for 8 seconds in order for the test to fail. Four tests must fail in order to set this DTC. The vehicle must exit conditions for running between each test.