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 MANUALSHONDA2007RIDGELINE RTSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMVTECDTC TROUBLESHOOTINGNOTES

2007 Honda Ridgeline RTS

DTC Troubleshooting: Notes

2007 Honda Ridgeline RTSSECTION Notes

DTC INDEX

DTC	Description
DTC P2646	VTEC Oil Pressure Switch Circuit Low Voltage
DTC P2647	VTEC Oil Pressure Switch Circuit High Voltage
DTC P2648	VTEC Solenoid Valve Circuit Low Voltage
DTC P2649	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.