The driver is equipped with a feedback circuit that is pulled up to a voltage. The ECM controls the solenoid valve by grounding the control circuit with a solid-state device called a driver. ![]() Ignition voltage is supplied directly to the Camshaft Position Actuator Solenoid Valve. The Camshaft Position Actuator Solenoid Valve controls the oil flow that applies the pressure to advance or retard the camshafts. The Camshaft Position Actuator Solenoid Valve controls the advance or the retard of each camshaft. The ECM controls the Camshaft Position Actuator Solenoid Valve duty cycle by controlling the amount of solenoid valve ON time. The Camshaft Position Actuator Solenoid Valve signal from the ECM is Pulse Width Modulated (PWM). ![]() The Camshaft Position (CMP) actuator system enables the Engine Control Module (ECM) to change the timing of the camshafts while the engine is operating. ![]() |What Does the P0010 Chevrolet Code Mean?
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