P2646 Honda: Rocker Arm Oil Pressure Switch → Low Voltage

P2646 is a common diagnostic trouble code that affects Honda made vehicles.  It indicates that there is an issue with rocker arm oil pressure switch.  The Rocker arm oil pressure switch verifies the correct oil pressure in the Variable Valve Timing (VVT) mechanism, and is often referred to as the VTEC (Variable Valve Timing & … Read more