P0020 "A" Camshaft synchronized Position Actuator Circuit (Bank 2),

What are the Possible Causes of the DTC P0020 Toyota? Dirty  Oil Faulty variable valve timing (VVT) Variable Valve Timing (VVT) circuit is open or shorted Oil Control Valve (OCV) circuit is open or shorted Faulty oil control valve (OCV) Damaged Engine Control Module (ECM) Does your Toyota have? Check now for FREE → How to Fix the DTC P0020 Toyota? Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded. Code Tech Notes If the engine oil is clean and the VVT and OCV circuits are OK, replaced the VVT to resolve the problem. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. 

Toyota Description The Engine Control Module (ECM) controls the Oil Control Valve (OCV) to regulate the intake camshaft angle. As a result of the angle change, the engine timing is advance or retard. Optimizing engine timing will help the engine improve torque and fuel economy, and the exhaust emissions decrease under overall driving conditions. The Variable Valve Timing (VVT) system includes the Oil Control Valve (OCV) and VVT controller. The ECM detects the actual intake valve timing using signals from the camshaft and crankshaft position sensors, and performs feedback control.