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Home >> BMW >> 2003 >> 760Li >> Repair and Diagnosis >> Transmission >> Automatic Trans >> SMG II - Overview >> SMG II >> System Components >> DME Control Unit MS S54 >> Hydraulic Oil Pressure Sensor

Hydraulic Oil Pressure Sensor

Mounted on the hydraulic unit the Oil Pressure Sensor informs the SMG II control unit of the current hydraulic pressure. At 0 bar pressure a voltage signal of.5 volts is sent to the SMG II with the voltage increasing linearly to 4.58 volts at 100 bar of pressure.

Failure of the pressure sensor whether shorted or open will result in the hydraulic unit being activated for a fixed amount of time at predetermined intervals and after each gearshift to maintain system pressure.