Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA2009ACCORD EX, 4D SEDAN, 3.5 CP3REPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMVARIABLE CYLINDER MANAGEMENT (VCM) SYSTEM (V6)
2009 Honda Accord EX, 4D Sedan, 3.5 CP3
Variable Cylinder Management (VCM) System (V6)
2009 Honda Accord EX, 4D Sedan, 3.5 CP3SECTION Variable Cylinder Management (VCM) System (V6)
- Component Location Index
- DTC Troubleshooting
- DTC P0522: Rocker Arm Oil Pressure Sensor Circuit Low Voltage
- DTC P0523: Rocker Arm Oil Pressure Sensor Circuit High Voltage
- DTC P2648: Rocker Arm Oil Control Solenoid A (Bank 1) Circuit Low Voltage
- DTC P2649: Rocker Arm Oil Control Solenoid A (Bank 1) Circuit High Voltage
- DTC P2653: Rocker Arm Oil Control Solenoid B (Bank 1) Circuit Low Voltage
- DTC P2654: Rocker Arm Oil Control Solenoid B (Bank 1) Circuit High Voltage
- DTC P2658: Rocker Arm Oil Control Solenoid A (Bank 2) Circuit Low Voltage
- DTC P2659: Rocker Arm Oil Control Solenoid A (Bank 2) Circuit High Voltage
- DTC P3400: VPS Stuck Off Bank 1
- DTC P3497: VPS Stuck Off Bank 2
- Front Rocker Arm Oil Pressure Switch Removal/Installation
- Rear Rocker Arm Oil Pressure Switch Removal/Installation
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.