What Does P0577 Mean? The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions. When you see P0577 engine fault code on your engine code reader this description will help you. engine code P0577P0577 fixobd P0577dtc P0577obd code P0577obd2 P0577P0577 car codediagnostic code P0577car code P0577check engine code P0577fehlercode P0577P0577 fiatcodigo P0577codigo falla P0577P0577 kody b??dówcodigo de falla P0577 What are the common causes of P0577 ? The most likely cause of this code setting condition is a failed cruise control switch. Shorted or open circuitry in the cruise control buttons is common due to the presence of spilled liquids. Liquid spilled onto cruise control components has proven problematic in the past. Other causes may include shorted or open wiring, damaged or corroded connectors, and blown fuses (although a blown fuse is usually a reaction to a more severe problem). How do you troubleshoot P0577 ? You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. Look at the plug wires to make sure they are not burnt or laying on the exhaust. Searches related to P0577 - Cruise Control Input Circuit High u1416 mahindra (indian) p0577