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Home >> Honda >> 2012 >> Insight Base >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P128D: Rocker Arm Oil Pressure Sensor A Stuck High >> Notes
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DTC P128D: Rocker Arm Oil Pressure Sensor A Stuck High: Notes

Fig 1: Rocker Arm Oil Pressure Sensor A - System Diagram
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Command Oil pressure condition
Rocker Arm Oil Control Solenoid A Rocker Arm Oil Control Solenoid B Rocker Arm Oil Pressure Sensor A Low High Low High
Rocker Arm Oil Pressure Sensor B Low Low High High
OFF OFF Normal valve lift mode 1 Failure (P1286) Failure (P3400) Normal Failure (P128D)
OFF ON Normal valve lift mode 2 Failure (P2646) Failure (P1286) Failure (P128C) Normal
ON ON Valve pause mode Normal Failure (P055B) Failure (P128A) Failure (P2646)