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 MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 139 (VARIABLE CYLINDER MANAGEMENT (VCM) SYSTEM)DTC
2002 Honda Civic Si
Section 139 (Variable Cylinder Management (VCM) System): DTC
2002 Honda Civic SiSECTION DTC
WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
DTC INDEX
| DTC | Description |
|---|---|
| DTC P0522 | EOP Sensor Circuit Low Voltage |
| DTC P0523 | EOP Sensor Circuit High Voltage |
| DTC P2646 | VTEC System Stuck OFF |
| DTC P2647 | VTEC System Stuck ON |
| DTC P2648 | Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Circuit Low Voltage |
| DTC 2649 | Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Circuit High Voltage |
RENDER: 1.0x
NO RELATED
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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.