P0021 Code – Camshaft Position A Timing Over-Advanced or System Performance Bank 2

Code P0021 Possible Causes
Faulty Intake Valve Timing Control Solenoid Valve
Intake Valve Timing Control Solenoid Valve circuit poor electrical connection
Intake Valve Timing Control Solenoid Valve harness is open or shorted
Damaged Engine Control Module ECM
Dirty Oil
Faulty oil control valve OCV