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Home >> Mercury >> 2009 >> Sable Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 659 (Speed Control) >> Diagnosis And Testing >> Speed Control >> Pinpoint Tests >> Pinpoint Test C: DTC P0579 or DTC P0581 Speed Control Switch Circuit Failure >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.