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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls And Fuel - 2.4L - DTC P0114 To DTC P0604) >> Diagnostic Information and Procedures >> DTC P0506 or P0507: Idle Speed Low/High >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0506 

The actual engine speed is 100 RPM less than the desired idle speed for 10s.

P0507 

The actual engine speed is 200 RPM greater than the desired idle speed for 10s.