According to the Rogue FSM, any of these things will throw the P0014 code
POSSIBLE CAUSE
• Crankshaft position sensor (POS)
• Camshaft position sensor (PHASE)
• Exhaust valve timing control position sensor
• Exhaust valve control solenoid valve
• Accumulation of debris to the signal pick-up portion of the camshaft
• Timing chain installation
• Foreign matter caught in the oil groove for exhaust valve timing control
Go to page 184 in the EC section of the FSM
https://nicoclub.com/FSM/Rogue/2015%20Rogue/ec.pdf
On page 49 in the EM section there is a diagram that will help you locate and identify the solenoid valves
https://nicoclub.com/FSM/Rogue/2015%20Rogue/em.pdf