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.
2004 Acura RSX Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Performance: System: VTEC/VTC
- Component Location Index
- DTC Troubleshooting
- Notes
- DTC P0010: VTC Oil Control Solenoid Valve Malfunction (2002-2004 models)
- DTC P0010: VTC Oil Control Solenoid Valve Malfunction (2005-2006 models)
- DTC P0011: VTC System Malfunction (2002-2004 models)
- DTC P0011: VTC System Malfunction (2005-2006 models)
- DTC P0340, P0344: CMP Sensor A No Signal (2002-2004 models); CMP Sensor A Circuit Intermittent Interruption (2002-2004 models)
- DTC P0340: CMP Sensor A No Signal (2005-2006 models)
- DTC P0341: CMP Sensor A and CKP Sensor Incorrect Phase Detected (2002-2004 models)
- DTC P0341: CMP Sensor A and CKP Sensor Incorrect Phase Detected (2005-2006 models)
- DTC P0344: CMP Sensor A Circuit Intermittent Interruption (2005-2006 models)
- DTC 1009: VTC Advance Malfunction (2005-2006 models)
- DTC P1259: VTEC System Malfunction (2002-2003 models)
- DTC P2646: Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit Low Voltage (2004 model)
- DTC P2646: Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit Low Voltage (2005-2006 models)
- DTC P2647: Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit High Voltage (2004 model)
- DTC P2647: Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit High Voltage (2005-2006 models)
- DTC P2648: Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Circuit Low Voltage (2005-2006 models)
- DTC P2649: Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Circuit High Voltage (2005-2006 models)
- VTC Oil Control Solenoid Valve Removal/Test/INSTALLATION
- CMP Sensor A Replacement
- Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Inspection
- Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) Assembly Removal/Installation
- Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Removal/Installation
Factory Service Tools
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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.
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