P2649 HONDA VTEC Solenoid Valve Circuit High Voltage

Possible causes
– Check engine oil level and pressure
– Faulty VTEC Solenoid Valve
– VTEC Solenoid Valve harness is open or shorted
– VTEC Solenoid Valve circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P2649 HONDA Description
The VTEC system activates the rocker arm oil control solenoid (VTEC solenoid valve) by command from the engine control module (ECM)/powertrain control module (PCM), and it charges/discharges the hydraulic circuit of the VTEC mechanism that switches valve timing between Low and High. The ECM/PCM monitors oil pressure in the hydraulic circuit of the VTEC mechanism using the rocker arm oil pressure switch (VTEC oil pressure switch) downstream of the rocker arm oil control solenoid (VTEC solenoid valve). If there is a difference between the oil pressure condition in the hydraulic circuit that is determined by the ECM/PCM command and the oil pressure condition that is determined by the status of the rocker arm oil pressure switch (VTEC oil pressure switch), the system is considered faulty, and a DTC is stored.
HONDA Technical Service Bulletins for P2649 code
2003 HONDA ACCORD ELECTRICAL SYSTEM
2004 HONDA ACCORD ELECTRICAL SYSTEM
2005 HONDA ACCORD ELECTRICAL SYSTEM
2002 HONDA CR-V ELECTRICAL SYSTEM
2003 HONDA CR-V ELECTRICAL SYSTEM
2004 HONDA CR-V ELECTRICAL SYSTEM
2005 HONDA CR-V ELECTRICAL SYSTEM
2003 HONDA ELEMENT ELECTRICAL SYSTEM
2004 HONDA ELEMENT ELECTRICAL SYSTEM
2005 HONDA ELEMENT ELECTRICAL SYSTEM