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, 2.4 CP2, STANDARDREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEX (4-CYL)VTEC/VTC DTCS
2009 Honda Accord EX, 4D Sedan, 2.4 CP2, Standard
VTEC/VTC DTCS
2009 Honda Accord EX, 4D Sedan, 2.4 CP2, StandardSECTION VTEC/VTC DTCS
VTEC/VTC DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC P0010 | VTC Oil Control Solenoid Valve Malfunction |
| DTC P0011 | VTC System Malfunction |
| DTC P0340 | CMP Sensor A No Signal |
| DTC P0341 | CMP Sensor A and CKP Sensor Incorrect Phase Detected |
| DTC P0344 | CMP Sensor A Circuit Intermittent Interruption |
| DTC P1009 | VTC Advance Malfunction |
| DTC P2646 | Rocker Arm Oil Pressure Switch Circuit Low Voltage (All models except PZEV) |
| DTC P2646 | Rocker Arm Oil Pressure Switch A Circuit Low Voltage (PZEV model) |
| DTC P2647 | Rocker Arm Oil Pressure Switch A Circuit High Voltage (PZEV model) |
| DTC P2647 | Rocker Arm Oil Pressure Switch Circuit High Voltage (All models except PZEV) |
| DTC P2648 | Rocker Arm Oil Control Solenoid Circuit Low Voltage (All models except PZEV) |
| DTC P2648 | Rocker Arm Oil Control Solenoid A (Intake Valve Side) Circuit Low Voltage (PZEV model) |
| DTC P2649 | Rocker Arm Oil Control Solenoid Circuit High Voltage (All models except PZEV) |
| DTC P2649 | Rocker Arm Oil Control Solenoid A (Intake Valve Side) Circuit High Voltage (PZEV model) |
| DTC P2651 | Rocker Arm Oil Pressure Switch B Circuit Low Voltage (PZEV model) |
| DTC P2652 | Rocker Arm Oil Pressure Switch B Circuit High Voltage (PZEV model) |
| DTC P2653 | Rocker Arm Oil Control Solenoid B (Exhaust Valve Side) Circuit Low Voltage |
| DTC P2654 | Rocker Arm Oil Control Solenoid B (Exhaust Valve Side) Circuit High Voltage |
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.