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Home >> Honda >> 2023 >> Ridgeline RTL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Advanced Diagnostics (P1684 - U129E) >> Advanced Diagnostics >> DTC P2646 >> Malfunction Threshold
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Malfunction Threshold

When the rocker arm oil control solenoid A (bank 1) is ON, the rocker arm oil pressure switch A (bank 1) remains ON.

Logic Decision Rocker Arm Oil Pressure Switch A (Bank 1)
ON OFF
Rocker Arm Oil Control Solenoid A (Bank 1) Command ON Failure (P2646) Normal
OFF Normal Failure (P2647)