How to Fix a Honda P2646 Code: ‘A’ Rocker Arm Actuator System Performance / Stuck Off Bank 1

Definition Meaning and Fixes for a Honda P2646 engine Diagnostic Trouble Code: ‘A’ Rocker Arm Actuator System Performance / Stuck Off Bank 1
"Rocker Arm Oil Pressure Switch Circuit Low Voltage"
Causes of a Honda P2646 Code:
Low or Dirty Oil
Wiring
Bad VTEC Valve Timing Solenoid
Rocker Oil Pressure Switch