Conditions for Setting the DTC

P0506

• 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 condition is 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 condition for running between each test.

P0507

• 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 175 RPM at 152°C (305°F) based on ECT.
• The above conditions must be 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.