DTC P0013: Camshaft Position "B" Actuator Circuit / Open (Bank 1): Description

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The VVT (variable valve timing) system adjusts the exhaust valve timing to improve driveability. The engine oil pressure turns the VVT controller to adjust the valve timing.

The camshaft timing oil control valve is a solenoid valve and switches the engine oil line. The valve moves when the ECM applies 12 V to the solenoid. The ECM changes the energizing time to the solenoid (duty-cycle) in accordance with the camshaft position, crankshaft position, throttle position, etc.

Fig 1: View Of Variable Valve Timing (VVT) System Communication Diagram

DTC No.	DTC Detection Condition	Trouble Area
P0013	Open or short in camshaft timing oil control valve (for exhaust camshaft) circuit (1 trip detection logic)	Open or short in camshaft timing oil control valve assembly (for exhaust camshaft) circuit Camshaft timing oil control valve assembly (for exhaust camshaft) ECM